Chemical composition. Seamless circular steel tubes for mechanical and general engineering purposes

Transcription

1 Seamless pipes for mechanical applications EN Seamless circular steel tubes for mechanical and general engineering purposes Chemical composition Steel grade Elements content, % C Si Mn P S Cr Mo Ni Al Cu N Nb V E235 0,17 0,35 1,2 0,030 0,035 E275 0,21 0,35 1,4 0,030 0,035 E315 0,21 0,30 1,5 0,030 0,035 E355 0,22 0,55 1,6 0,30 0,035 E470 0,160,22 0,100,50 1,301,70 0,030 0,035 0,010 0,020 0,07 0,080,15 E275K2 0,20 0,4 0,501,40 0,030 0,035 0,030 0,010 0,030 0,020 0,035 0,015 0,05 0,05 E355K2 0,20 0,5 0,901,65 0,030 0,035 0,030 0,010 0,050 0,020 0,035 0,015 0,05 0,12 E420J2 0,160,22 0,100,50 1,301,70 0,030 0,035 0,030 0,080 0,040 0,010 0,030 0,020 0,07 0,080,15 E460K2 0,20 0,6 1,001,70 0,030 0,035 0,030 0,010 0,080 0,020 0,070 0,025 0,05 0,02 E590K2 0,160,22 0,100,50 1,301,70 0,030 0,035 0,030 0,080 0,040 0,010 0,030 0,020 0,07 0,080,15 E730K2 0,20 0,5 1,401,70 0,030 0,035 0,030 0,300,45 0,300,70 0,020 0,020 0,020 0,05 0,12 25CrMo4 0,220,29 0,4 0,60,9 0,035 0,035 0,91,2 0,150,30 34CrMo4 0,300,37 0,4 0,60,9 0,035 0,035 0,91,2 0,150,30 42CrMo4 0,380,45 0,4 0,60,9 0,035 0,035 0,91,2 0,150,30 8

2 Mechanical properties Steel grade Delivery condition Yield strength, R EH N/mm 2 Tensile strength Rm, N/mm 2 Elongation А, % Impact test, KV, J Wall thickness Tn, mm Wall thickness Tn, mm Test temperature 20ºС <16 16<Tn 40 40<Tn 65 <16 16<Tn 40 40<Tn 65 Longitudinal direction Transverse direction Longitudinal direction Not less Е235 +AR or +N E275 +AR or +N E315 +AR or +N E355 +AR or +N E470 +AR E275K2 +N E355K2 +N E420J2 +N E460K2 +N E590K2 +QT* E730K2 +QT* Note: * at +QT conditions pipes with outside diameter 100 mm and wall thickness 28 mm can be produced. Transverse direction Yield strength, R EH N/mm 2 Tensile strength Rm, N/mm2 Elongation А, % Impact test, KV, J Test temperature +20ºС Steel grade Delivery condition Wall thickness Tn, mm <8 8<Tn 20 20<Tn 50 50<Tn 80 <8 8<Tn 20 20<Tn 50 50<Tn 80 <8 8<Tn 20 20<Tn 50 50<Tn 80 <8 8<Tn 20 20<Tn 50 I t I t I t I t I I t I t Not less 25CrMo4 +QT* CrMo4 +QT** CrMo4 +QT*** Note: l Longitudinal sample, t Transversal sample * at +QT conditions pipes with outside diameter 100 mm and wall thickness 28 mm may be produced, for pipes with other dimensions +QT conditions are modeled on samples. ** pipes are supplied at +AR conditions, +QT conditions are modeled on samples. *** pipes are supplied at +A conditions, +QT conditions are modeled on samples. Coldrolled OD (mm) 33,7 35,0 38,0 40,0 42,4 Wall thickness, mm 3,6 4,0 4,5 5,0 5,6 6,3 7,1 8,0 8,8 10,0 11,0 12,5 14,2 16,0 44,5 48,3 51,0 54,0 57,0 60,3 63,5 70,0 73,0 76,1 82,2 9

3 Hotrolled Outside diameter 33,7 38,0 42,4 48, ,3 63,5 73,0 76,1 82,5 88,9 101,6 108,0 114,3 121,0 127,0 133,0 139,7 141,3 152,4 159,0 168,3 177,8 193,7 203,0 219,1 229,0 244,5 273,0 298,5 323,9 355, Wall thickness 3,2 3,6 4,0 4,5 5,0 5,6 6,3 7,1 8,0 8,8 10,0 11,0 12,5 14,2 16,0 17,5 20,0 22,2 25,0 28,0 30,0 32,0 36,0 40,0 45,0 50,0 55,0 60,0 65,0 Dimensional tolerances Outside diameter, mm Permissible deviation of Outside Diameter Permissible deviation of Wall Thickness for WT/OD OD/WT < 0,025 0,025< OD/WT 0,05 OD/WT > 0,05 219,1 ± 1% or 0,5 mm the greatest value ± 12,5 % or ± 0,4 mm the greatest value > 219,1 ± 1% ± 20% ± 15% ± 12,5% Lengths Pipes are supplied with lengths according to standard requirements. Any lengths different from the standard ones are subject to additional negotiations. Protection Pipes are supplied: black and bare external varnished with black or clear lacquer oiled Upon request pipes ends are protected with plastic caps. Marking Pipes are supplied with marking according to standards and customer requests. Marking is painted and/or hard stenciled on pipes ends. The same data, as well as additional information according to customer s request, are indicated on the bundle tags. Certification Pipes are supplied with 3.1. inspection certificate, in conformity with EN

4 EN Hollow bars for machining: Non alloy and alloy steels. Chemical composition Elements content, % Steel grade C Si Mn S E MnV6 0,160,22 0,100,50 1,301,70 0,0150,050 0,0150,050 V Р Not more Cr Ni Mo Cu Al Nb Ti 0,10 0, ,40 0,08 0,30 0,06 0,05 0,05 0,080,15 0,045 0,30 0,40 0,08 0,30 0,06 0,07 0,05 Mechanical properties Steel grade Е355 20MnV6 Delivery condition +AR +N +AR +N +QT * Yield strength, REH N/mm2 Tensile strength Rm, N/mm2 Wall thickness Tn, mm Wall thickness Tn, mm <16 Not less than <Tn 25 25<Tn 40 40<Tn 50 <16 16<Tn 25 25<Tn 40 40<Tn Elongation А,% Impact test, KV, J Test temperature 20ºС Note: * at +QT conditions pipes with outside diameter 100 mm and wall thickness 28 mm can be produced. Coldrolled 11

5 OD (mm) 33,7 35,0 38,0 40,0 42,4 44,5 48,3 51,0 54,0 57,0 60,3 63,5 70,0 73,0 76,1 82,2 Wall thickness, mm 3,6 4,0 4,5 5,0 5,6 6,3 7,1 8,0 8,8 10,0 11,0 12,5 14,2 16,0 Hotrolled OD (mm) 82,5 83,9 101, , ,7 152, ,3 177,8 193,7 203,0 Wall thickness, mm , , , Dimensional tolerances OD < OD 180 OD > 180 Outside diameter permissible deviation ± 0,5 mm ± 0,75 mm ± 1 % OD 180 mm, WT 15 mm WT > 15 OD > 180 mm, WT 30 mm WT > 30 mm Wall thickness permissible deviation ±12,5 % or ±0,4 mm the greatest value ± 10 % ±12,5 % ± 10 % Lengths Pipes are supplied with lengths according to standard requirements. Any lengths different from the standard ones are subject to additional negotiations. Protection Pipes are supplied: black and bare external varnished with black or clear lacquer oiled Upon request pipes ends are protected with plastic caps. Marking Pipes are supplied with marking according to standards and customer requests. Marking is painted and/or hard stenciled on pipe ends. The same data, as well as additional information according to customer s request, are indicated on the bundle tags. Certification Pipes are supplied with 3.1. inspection certificate, in conformity with EN

6 EN , 2 Hot finished structural hollow section of nonalloy and fine grain steels Chemical composition Steel grade S235JRH S275JOH S275J2H S355JOH S355J2H S355K2H Elements content, %, max. C For nominal wall thickness, mm 40 >40 0,17 0,20 0,20 0,22 0,20 0,22 0,22 0,22 0,22 0,22 0,22 0,22 Si Mn P S N 0,55 0,55 0,55 1,40 1,50 1,50 1,60 1,60 1,60 0,040 0,035 0,030 0,035 0,030 0,030 0,040 0,035 0,030 0,035 0,030 0,030 0,009 0,009 0,009 Maximal carbon equivalent value СEV % For nominal wall thickness, mm 16 >16 40 > ,37 0,39 0,41 0,41 0,43 0,45 0,41 0,43 0,45 0,45 0,47 0,50 0,45 0,47 0,50 0,45 0,47 0,50 Mechanical properties Yield strength, REH MPa Nominal wall thickness мм Steel grade 16 S235JRH Tensile strength Rm, MPa >16 40 >40 63 > S275JOH S275J2H S355JOH S355J2H S355K2H Elongation А, % Impact test, KV, J Nominal wall thickness, mm Test temperature, С >40 63 > Not less 40 Not less 13

7 Outside diameter, mm 33,7 42,4 48,3 60,3 76,1 88,9 101,6 114,3 139,7 168,3 177,8 193,7 219,1 229,0 244,5 254,0 267,0 273,0 323,9 355,6 368,0 3,2 4,0 5,0 6,3 8,0 10,0 12,5 14,2 16,0 20,0 25,0 30,0 32,0 36,0 40,0 45,0 50,0 55,0 60,0 65,0 Dimensional tolerances Outside diameter permissible deviation ±1 % (but not less than ±0.5 mm and not more than ±10 mm) 10 %, + 15% Wall thickness permissible deviation Lengths Pipes are supplied with lengths according to standard requirements. Any lengths different from the standard ones are subject to additional negotiations. Protection Pipes are supplied: black and bare external varnished with black or clear lacquer oiled Upon request pipes ends are protected with plastic caps. Marking Pipes are supplied with marking according to standard and customer request. Marking is painted and/or hard stenciled on pipe ends. The same data, as well as additional information according to customer s request, are indicated on the bundle tags. Certification Pipes are supplied with 3.1. inspection certificate, in conformity with EN

8 EN 10220, DIN 1629 Seamless circular tubes of nonalloy steels with special quality requirements Chemical composition Steel grade Elements content, % C Mn Si S P N* Al Not more St ,009 St St Note: Exceeding the specified Nitrogen content exceeding is possible if for every 0,001% of Nitrogen the Phosphorus content goes down by 0,005 % from the specified value, but not more than 0,012% in heat analysis. 15

9 Mechanical properties Steel grade Yield strength, R EH N/mm 2 For wall thickness, mm Elongation А, % Tensile strength Rm, N/mm 16 >16 40 > Longitudinal direction Transverse direction Not less Not less St St St Hotrolled Outside diameter, mm 33,7 42,4 48,3 60,3 76,1 88,9 101,6 114,3 139,7 168,3 177,8 193,7 219,1 244,5 273,0 323,9 355,6 3,2 3,6 4,0 5,0 6,3 8,0 10,0 12,5 14,2 16,0 20,0 25,0 30,0 32,0 36,0 40,0 45,0 50,0 55,0 60,0 65,0 Dimensional tolerances Outside diameter, mm Outside diameter permissible deviation Up to 100 ± 1 % (but not less than ±0.5 mm) Above 100 up to 200 ± 1 % Above 200 ± 1 % Wall thickness permissible deviation For OD up to 130 mm For OD above 130 mm and up to 320 mm and wall thickness S For OD above 320 mm + 15% 10% % 10% ±9% % 12.5% + 15% 10% ±12.5% + 20% 15% + 15% 12.5% % 10% Lengths Pipes are supplied with lengths according to standard requirements. Any lengths different from the standard ones are subject to additional negotiations. Protection Pipes are supplied: black and bare external varnished with black or clear lacquer oiled Upon request pipes ends are protected with plastic caps. Marking Pipes are supplied with marking according to standards and customer requests. Marking is painted and/or hard stenciled on pipe ends. The same data, as well as additional information according to customer s request, are indicated on the bundle tags. Certification Pipes are supplied with 3.1. inspection certificate, in conformity with EN

10 EN 10220, DIN 1630 Highperformance seamless circular unalloyed steel pipes Chemical composition Steel grade Elements content, % C Si S P Mn Al Not more St , St , St Mechanical properties Steel grade Yield strength, REH N/mm2 For wall thickness, mm 16 >16 40 >40 65 Tensile strength Rm, N/mm2 Not less Impact test, KV, J Test temperature +20ºС Elongation А, % l t Not less l t Not less St St St Note: l Longitudinal sample, t transverse sample. 17

11 Outside diameter, mm 33,7 42,4 48,3 60,3 76,1 88,9 101,6 114,3 139,7 168,3 177,8 193,7 219,1 244,5 273,0 323,9 355,6 3,2 3,6 4,0 5,0 6,3 8,0 10,0 12,5 14,2 16,0 20,0 25,0 30,0 32,0 36,0 40,0 45,0 50,0 55,0 60,0 65,0 Dimensional tolerances Outside diameter permissible deviation Outside diameter, mm Pipe body Pipe ends (100 mm from pipe end) 100 ± 1% (not less than ±0,5 мм) ± 0,4 mm 100 <D 200 ± 1% ± 0,5 % > 200 ± 1% ± 0,6 % (Permissible deviation might be referred to inside diameter upon agreement, but should take into account wall thickness deviation) Wall thickness permissible deviation For OD up to 130 mm WT up to 2 Sn + 15% 10% WT above 2 Sn up to 4 Sn % 10 % WT above 4 Sn ± 9 % % 12.5 % For OD above 130 mm and up to 320 mm and wall thickness S WT above 0.05 D WT up to 0.05 D WT above 0.11D up to 0.11 D ± 12.5 % ± 10 % + 20 % 10 % For OD above 320 mm WT up to 0.05 D WT above 0.05 D up to 0.9 D + 15 % 12.5 % WT above 0.9 D % 10% Lengths Pipes are supplied with lengths according to standard requirements. Any lengths different from the standard ones are subject to additional negotiations. Protection Pipes are supplied: black and bare external varnished with black or clear lacquer oiled Upon request pipes ends are protected with plastic caps. Marking Pipes are supplied with marking according to standards and customer requests. Marking is painted and/or hard stenciled on pipe ends. The same data, as well as additional information according to customer s request, are indicated on the bundle tags. Certification Pipes are supplied with 3.1. inspection certificate, in conformity with EN

12 ASTM А 519 Seamless Carbon and Alloy Steel Mechanical Tubing Chemical composition Elements content, % Steel grade C Mn P S Si Ni Cr Mo % 0.025% % 0.025% ,380,43 0,751, % 0.025% ,801,10 0,150,25 Typical Tensile Properties and Hardness Grade Designation Tensile strength Yield strength Delivery condition ksi MPa ksi MPa Elongation А, % Hardness, НRB Not less HR CW SR A N HR SR A N HR SR A N HR hotrolled, CW coldworked, SR stress relieved, A annealed, N normalized 19

13 Wall thickness inch 0,280 0,310 0,350 0,390 0,430 0,470 0,555 0,620 0,688 0,780 0,870 0,980 1,102 1,181 1,250 1,410 1,570 1,771 1,968 OD (inch) OD (mm) 3,250` 82,5 3,300` 83,9 4,000` 101,6 4,250` 108 4,500` 114,3 5,000` 127 5,250` 133 5,500` 139,7 5,980` 152,4 6,250` 159 6,610` 168,3 7,000` 177,8 7,630` 193,7 8, , , , , Dimensional tolerances Outside diameter, inch (mm) Outside diameter permissible deviation, inch (mm) more less Up to (76.17) (0.51) (0.51) ( ) (0.64) (0.64) ( ) (0.79) (0.79) ( ) (0.94) (0.94) ( ) (1.14) (1.14) ( ) (1.27) (1.27) Wall thickness as a percentage outside diameter Wall thickness permissible deviation OD up to (76.19) OD = (76.20) (152.37) OD = 6.00 (152.40) (273.05) Less than 15 +/ 12.5 % +/ 10.0 % +/ 10.0 % 15 and more +/ 10.0 % +/ 7.5 % +/ 10.0 % Lengths Pipes are supplied with lengths according to standard requirements. Any lengths different from the standard ones are subject to additional negotiations. Protection Pipes are supplied: black and bare external varnished with black or clear lacquer oiled Upon request pipes ends are protected with plastic caps. Marking Pipes are supplied with marking according to standards and customer requests. Marking is painted and/or hard stenciled on pipe ends. The same data, as well as additional information according to customer s request, are indicated on the bundle tags. Certification Pipes are supplied with 3.1. inspection certificate, in conformity with EN

14 GOST , GOST Seamless hotrolled steel tubes Chemical composition Elements content, % Steel Grade Cr, % not more S, P Cu Mo Ni Al C, % Si, % Mn, % than G G 0,170,24 0,170,37 0,701,00 50G 0,480,56 0,170,37 0,701,00 20H H HGSА 0,280,34 0,901,20 0,801,10 0,801,10 15HM HМА 0,260,34 0,170,37 0,400,70 0,801,10 0,150,25 12HN2 0,090,16 0,170,37 0,300,60 0,600,90 1,501,90 09G2S 0,12 0,500,80 1,301,70 0,30 32HА Mechanical properties Grade designation Tensile strength, σ в, Yield strength, σ т, kgs/mm 2 Brinell hardness Elongation, δ5, % kgs/mm 2 (MPa) (MPa) (wall thickness 10 mm) Imprint diameter, mm, not Hardness number НВ, not Not less than less than more than (353) 22 (216) 24 5, (412) 25 (245) 21 4, (510) 30 (294) 17 4, (588) 33 (323) 14 4, G2 48 (470) 27 (265) 21 4, G 46 (450) 28 (275) 24 4, G 66 (650) 40 (390) 13 4, H 44 (431) 29( 284) 16 4, H 67 (657) 36 (352) 9 3, HGSА 70 (686) 41 (402) 11 4, HM 44 (431) 23 (226) 21 4, HМА 60 (588) 40 (392) 13 4, HN2 55 (539) 40 (392) 14 4,

15 Grade designation Tensile strength, σ в, MPa Yield strength, σ т, MPa Percent elongation, δ 5, % Impact work, KCU, J/sm 2 Longitudinal direction t=20ºc t=40ºc t=70ºc t=60ºc Not less than 09Г2С Impact work, KСV, J/sm 2 Grade designation Tensile strength, σв, MPa Not less than Yield strength, σт, MPa Percent elongation, δ5, % Necking, Ψ, % Impact work, KV, J, t=20ºc 32ХА* Note: Hardness, НВ * Mechanical properties after quenching and tempering. Quenched and tempered pipes with outside diameter 100 mm and wall thickness 28 mm can be produced. Mechanical properties of pipes with other dimensions are defined on heattreated samples. Outside diameter, mm 32,0 33,7 38,0 42,0 42,4 45,0 48,3 50,0 51,0 57,0 60,0 60,3 63,5 70, Wall thickness 3 3,2 3,5 4 4,5 5 5,5 6 6,5 7 7,5 8 8,5 9 9,

16 Outside diameter, mm 32,0 33,7 38,0 42,0 42,4 45,0 48,3 50,0 51,0 57,0 60,0 60,3 63,5 70, Wall thickness Chemical composition Elements content, % Steel Grade Cr, % not more C, % Si, % Mn, % than H H G2S 0,12 0,500,80 1,301,70 0,30 S, P Cu Mo Ni Al 23

17 Dimensional tolerances Outside diameter, mm Permissible deviation of outside diameter Enhanced accuracy Usual accuracy Less than 50 ± 5 mm ± 5 mm ± 0,8 % ± 1,0 % More than 219 ± 1,0 % ± 1,25 % Outside diameter, mm Less than 219 More than 219 Wall thickness, mm Permissible deviation for wall thickness Enhanced accuracy Usual accuracy S 15 ± 12,5 % +12,5/15 % 15 < S /12,5 % ±12,5% S > 30 ± /12,5 % S ,5/15,0 % 15 < S 30 ±12,5 % S > ,0/12,5% Lengths Pipes are supplied with lengths according to standard requirements. Any lengths different from the standard ones are subject to additional negotiations. Protection Pipes are supplied: black and bare external varnished with black or clear lacquer oiled Upon request pipes ends are protected with plastic caps. Marking Pipes are supplied with marking according to standards and customer requests. Marking is painted and/or hard stenciled on pipe ends. The same data, as well as additional information accoding to customer s request, are indicated on the bundle tags. Certification Pipes are supplied with 3.1. inspection certificate, in conformity with EN

18 GOST Tubebillets for mechanical treatment Chemical composition Elements content, % Steel Grade Cr, % not more C, % Si, % Mn, % than S, P Cu Mo Ni Al G G 0,170,24 0,170,37 0,701,00 50G 0,480,56 0,170,37 0,701,00 20H H HGSА 0,280,34 0,901,20 0,801,10 0,801,10 15HM HМА 0,260,34 0,170,37 0,400,70 0,801,10 0,150,25 12HN2 0,090,16 0,170,37 0,300,60 0,600,90 1,501,90 09G2S 0,12 0,500,80 1,301,70 0,30 32HА H2MUA

19 Mechanical properties Grade Tensile strength, σ в, kgs/mm 2 (MPa) Yield strength, σ т, kgs/mm 2 (MPa) Elongation, δ 5, % Brinell hardness (wall thickness 10 mm) designation Not less than Imprint diameter, mm, not less than Hardness number НВ, not more than (353) 22 (216) 24 5, (412) 25 (245) 21 4, (510) 30 (294) 17 4, (588) 33 (323) 14 4, G2 48 (470) 27 (265) 21 4, G 46 (450) 28 (275) 24 4, G 66 (650) 40 (390) 13 4, H 44 (431) 29( 284) 16 4, H 67 (657) 36 (352) 9 3, HGSА 70 (686) 41 (402) 11 4, HM 44 (431) 23 (226) 21 4, HМА 60 (588) 40 (392) 13 4, HN2 55 (539) 40 (392) 14 4,2 207 Tensile strength, σ в, MPa Yield strength, σ т, MPa Percent elongation, δ 5, % Impact work, KCU J/sm 2 Impact work, KСV, J/sm 2 Grade designation Longitudinal direction t=20ºc t=40ºc t=70ºc t=60ºc Not less than 09Г2С Grade designation Tensile strength, σв, MPa Not less than Yield strength, σт, MPa Percent elongation, δ 5, % Necking, Ψ, % Impact work, KV, J t=20ºc 32ХА* Note: Hardness, НВ * Mechanical properties after quenching and tempering. Quenched and tempered pipes with outside diameter 100 mm and wall thickness 28 mm can be produced. Mechanical properties of pipes with other dimensions are defined on heattreated samples. Mechanical properties on heattreated samples Steel designation Tensile strength, σв, MPa (kgs/mm 2 ) Percent elongation, δ 5, % Necking for wall thickness more than 5 mm, Ψ, % Impact toughness for wall thickness more than 12 mm, а к kgs/sm 2 Not more than 38H2MUA 980 (100) ,43,7 Brinell hardness (imprint diameter), mm Outside diameter, mm 32,0 33,7 38,0 42,0 42,4 45,0 48,3 50,0 51,0 57,0 60,0 60,3 63,5 70, Wall thickness 3 3,2 3,5 4 4,5 5 5,5 6 6,5 7 7,5 8 8,5 9 9,

20 Outside diameter, mm Wall thickness 3 3,2 3,5 4 4,5 5 5,5 6 6,5 7 7,5 8 8,5 9 9, Dimensional tolerances Outside diameter, mm Permissible deviation of outside diameter Enhanced accuracy Usual accuracy Less than 50 ± 5 mm ± 5 mm ± 0,8 % ± 1,0 % More than 219 ± 1,0 % ± 1,25 % Outside diameter, mm Less than 219 More than 219 Wall thickness, mm Permissible deviation for wall thickness Enhanced accuracy Usual accuracy S 15 ± 12,5 % +12,5/15 % 15 < S /12,5 % ±12,5% S > 30 ± /12,5 % S ,5/15,0 % 15 < S 30 ±12,5 % S > ,0/12,5% Lengths Pipes are supplied with lengths according to standard requirements. Any lengths different from the standard ones are subject to additional negotiations. Protection Pipes are supplied: black and bare external varnished with black or clear lacquer oiled Upon request pipes ends are protected with plastic caps. Marking Pipes are supplied with marking according to standards and customer requests. Marking is painted and/or hard stenciled on pipe ends. The same data, as well as additional information according to customer s request, are indicated on the bundle tags. Certification Pipes are supplied with 3.1. inspection certificate, in conformity with EN

21 GOST , GOST Seamless coldformed steel tubes Chemical composition Steel Grade Elements content, % C, % Si, % Mn, % Cr, % not more than Mo Ni G G 0,170,24 0,170,37 0,701,00 50G 0,480,56 0,170,37 0,701,00 20H H HGSА 0,280,34 0,901,20 0,801,10 0,801,10 15HM HМА 0,260,34 0,170,37 0,400,70 0,801,10 0,150,25 12HN2 0,090,16 0,170,37 0,300,60 0,600,90 1,501,90 09G2S 0,12 0,500,80 1,301,70 0,30 Mechanical properties Grade designation Tensile strength, σ в, kgs/ mm 2 (MPa) Not less than Yield strength, σ т, kgs/ mm 2 (MPa) Elongation, δ 5, % Brinell hardness (wall thickness 10 mm) Imprint diameter, mm, not less than (353) 22 (216) 24 5, (412) 25 (245) 21 4, (510) 30 (294) 17 4, (588) 33 (323) 14 4, G2 48 (470) 27 (265) 21 4, G 46 (450) 28 (275) 24 4, G 66 (650) 40 (390) 13 4, H 44 (431) 29( 284) 16 4, H 67 (657) 36 (352) 9 3, HGSА 70 (686) 41 (402) 11 4, HM 44 (431) 23 (226) 21 4, HМА 60 (588) 40 (392) 13 4, HN2 55 (539) 40 (392) 14 4,2 207 Hardness number НВ, not more than Grade designation Tensile strength, σ в, MPa Yield strength, σ т, MPa Percent elongation, δ 5, % Impact work, KCU J/sm 2 Impact work, KСV, J/sm 2 Longitudinal direction t=20ºc t=40ºc t=70ºc t=60ºc Not less than 09Г2С

22 ,5 4 4,5 5 5,5 6 6,5 7 7,5 8 8,5 9 9, Dimensional tolerances Outside diameter permissible deviation Wall thickness permissible deviation Outside diameter, mm Wall thickness Enhanced accuracy Enhanced accuracy ± 0.4 mm Up to 5 mm ± 10 % 50 ± 0.8% Above 5 mm ± 8 % Lengths Pipes are supplied with lengths according to standard requirements. Any lengths different from the standard ones are subject to additional negotiations. Protection Pipes are supplied: black and bare external varnished with black or clear lacquer oiled Upon request pipes ends are protected with plastic caps. Marking Pipes are supplied with marking according to standards and customer requests. Marking is painted and/or hard stenciled on pipe ends. The same data, as well as additional information according to customer s request, are indicated on the bundle tags. Certification Pipes are supplied with 3.1. inspection certificate, in conformity with EN