NICHIA WELDING ELECTRODES

Transcription

1 NIHIA WELDING ELETRODE N-308 For of 18%r-8% tainless teel of AII304, AII301 and AII302 stainless steel lassification : JI Z3221 D AW A5.4 E Identification : Yellow Tip Type of overing : Lime Titania r % N-309 For of 22%r-12% tainless teel of AII309 stainless steel. It is also suitable for joining of dissmiliar-metal such as 18% r - 8% stainless steel to ferritic steel, and welding of clad surface of stainless steel. an also be used for underlaying on ferritic steel for surfacing ze 1.6 urrent F,H,HF Range VU, OH ze urrent F, H, HF Range VU, OH lassification : JI Z3221 D AW A5.4 E Identification : Black Tip Type of overing : Lime Titania % r N-310 For of 25%r-20% tainless teel of AII310 stainless steel. on the clad side of stainless steel. of dissmiliar-metal such as ferrtic steel to air hardening steel. (r-mo steel etc) ze urrent F, H, HF Range VU, OH lassification : JI Z3221 D AW A5.4 E Identification : ink Tip Type of overing : Lime Titania % r DITRIBUTED BY:

2 NIHIA WELDING ELETRODE N-312 For Joining of Dissimilar-teel of dissimilar-metal such as stainless steel to ferritic steel or special steel. Underlaying build-up of hard surfacing ze urrent F, H, HF Range VU, OH lassification : JI Z3221 D AW A5.4 E Identification : ilver Tip Type of overing : Lime Titania r % N-316L For Low arbon 18%r-12%-2.5%Mo tainless teel of AII316L stainless steel lassification : JI Z3221 D316L-16 AW A5.4 E316L-16 Identification : Green Tip Type of overing : Lime Titania % r Mo 2.35 ze urrent F, H, HF Range VU, OH N-347 For 18%r-9%-Nb, 18%r-8%-Ti tainless teel of AII347 and AII321, AII304L stainless steel lassification : JI Z3221 D AW A5.4 E Identification : Dark Blue Tip Type of overing : Lime Titania r Nb+Ta % ze urrent F, H, HF Range VU, OH DITRIBUTED BY:

3 NIHIA WELDING ELETRODE DM-50 For Repairing of ast Iron lassification : Identification : JI (DF) White Tip DM-50 is a graphite type electrode using mild steel core rod. Its weld metal shows high carbon content. Then it results high hardness, so it is suitable for welding the parts where machining is unnecessary. Its fusibility with case iron is excellent Recommended urrents: Amp. (A or D +) For repairing of cast iron parts where machining is unnecessary. Instructions for ze urrent Range F V, OH The preheat temperatures vary in accordance with kind, shape and size of base metal. 2. reheating over 200º is appropriate to prevent cracking. low cooling is recommended after welding DM-70 For Repairing Of Ingot ase For build-up repairing of ingot case, other cast iron products which machinability is required. 0 c x hr lassification : JI Z3252 DF Identification : ink Tip Type of overing : Low Hydrogen ze urrent Range DM-100 For Repairing Of ast Iron For repairing of cracks, filling of defects and joining of all kinds of cast iron, and also suitable for welding of the construction which water tightening is required c x hr Typical Mechanical roperties of Weld Metal 304 lassification : JI Z3252 DF AW A.515 E-l Identification : Red Tip Type of overing : Graphite Hardness (Rockwell) HRB 7585 ze urrent Range DITRIBUTED BY:

4 NIHIA WELDING ELETRODE DM-150 For Repairing Of ast Iron(rro-ckel Alloy ore Rod) For welding ductile cast iron, repairing and joining all kinds of cast iron. Also suitable for under laying of Hard surfacing c x hr Typical Mechanical roperties of Weld Metal 500 lassification : JI Z3252 DF AW A.515 E-l Identification : Yellow Tip Type of overing : Graphite Hardness (Rockwell) HRB 8595 Recommended urrents: Amp. (A or D - E) ze urrent Range HE-500 (29-9) For roblem teels and hard urfacing Identification : lver Tip Type of overing : Lime Titania of problem steels, (high carbon steels, high-alloyed steels, tool steels, etc) of the first layer deposit to the base metal for hard surfacing. Typical Mechanical roperties of Weld Metal 775 (%) 26.0 Recommended urrents: Amp. (A or D - E) ze urrent Range Hardness (Rockwell) HV HR BK- For Intermetallic Abrasion Hard surfacing of various wheels, shafts, gears, steel-casting rollers and parts of bulldozer, etc lassification : JI Z3251 DF2A--R Identification : Orange Tip-Blue pot Type of overing : High Titanium Oxide r c x hr ondition ontinuous reheating Temp. 150º Rockwell (HR) hore (Hs) After Hardening 850º Water ooling ze urrent Range DITRIBUTED BY:

5 NIHIA WELDING ELETRODE BK- For Intermetallic Abrasion and oil Abrasion Hard surfacing of bulldozer links, iders, rollers and sprockets, etc. 0 c x hr ondition ontinuous reheating Temp. 150º lassification : JI Z3251 DF2A--R Identification : Orange Tip-Red pot Type of overing : Basic 1.66 Rockwell (HR) r 3 hore (Hs) ze urrent Range BK-550 For Intermetallic Abrasion and oil Abrasion Hard surfacing of ripper teeth and impeller breakers, etc. 0 c x hr Heat Treatment ondition ontinuous reheating Temp. 150º 600º Tempering lassification : JI Z3251 DF3-500-R Identification : Red Tip Type of overing : Basic r 7.30 Rockwell (HR) Mo 1.10 hore (Hs) ze urrent Range DITRIBUTED BY:

6 NIHIA WELDING ELETRODE BK-700 For oil Abrasion Hard surfacing of pump casing, cutter knives, pump impellers, worn parts on farm equipment, forestry tools, and loading machines, etc Heat Treatment 1.15 ondition ontinuous reheating Temp. 150º 600º Tempering lassification : JI Z3251 DF3-700-R Identification : Yellow Tip-Red pot Type of overing : Basic r 5.21 Rockwell (HR) Mo 0.58 hore (Hs) ze urrent Range BK-950 For Heavy oil Abrasion Hard surfacing of shovel teeth, cutter knives of dredger and speed mullers, etc lassification : JI Z3251 DFWA-700- Identification : ink Tip Type of overing : Basic W c x hr ondition ontinuous reheating Temp. º Rockwell (HR) hore (Hs) ze urrent Range DITRIBUTED BY:

7 NIHIA WELDING ELETRODE N For hosphor Bronze Used for welding of various kinds of copper alloys such as phosphor bronze, brass and gun metals etc, and for joining two metals of different kinds such as copper alloys to steel, bronze and brass, etc c x hr u n 8.36 Mechanical roperties of All Weld Metal 393 ze urrent Range % lassification : JI Z3231 DunB AW A5.6 Eun- Identification : lver Tip Type of overing : pecial b tr Hardness (Brinel) He NAB-7 For Aluminium Bronze Repairing and joining of screws for ships, heat exchangers for oil refinery. Build-up repairing of gears and bearings. Also suitable for surfacing of various mild steel parts c x hr u 0.25 Mechanical roperties of All Weld Metal 539 ze urrent Range % Al 7.20 lassification : JI Z3231 DuAl Identification : Dark Blue Tip Type of overing : pecial Hardness (Brinel) He NAB-7R Bare Rod for TIG of special aluminium bronze, for repairing and joining of dissimilar metals such as screw for ship. u Mechanical roperties of All Weld Metal lassification hield Gas olarity Al 7.72 : JI Z3341 YuAlB : Argon : A % ze DITRIBUTED BY:

8 NIHIA WELDING ELETRODE NM-1R For TIG hield Gas olarity : Argon : D-EN Build-up reapiring of various molds such as plastic precision molds, die-casting molds, forging molds, and hot forging dies. hemical omposition of rod (%) o 8.88 Mo 4.90 Ti 0.59 Al 0.14 Hardness of All Weld Metal ondition Rockwell (HR ) hore (Hs) olution Heat Treatment º x 3 hr. Air ooling ackage (5 KGs in Round Tube/20KGs in arton Box) ze NIHIA TOHBIN oated Rod uitable to welding of similar metals and dissimilar metals such as copper alloy, general of copper brass, bronze mild steel, special steel, and cast iron. Gas Mechanical roperties of All Weld Metal % ackage (5 KGs in Round Tube/20KGs in arton Box) ze : Oxy - Acetylene Flame Hardness (Brinel) He NTG-50R of mild steel, 490Mpa class high-tensile strength steel, and aluminium-killed steel for low temperature service Mechanical roperties of All Weld Metal ondition 600º x 1 hr. Y (Mpa) 470 lassification hield Gas olarity u Al T (Mpa) : JI Z3316 YGT50 AW A5.18 ER70-G : Argon : D-EN Ti Zr % 40.0% ackage (5 KGs in Round Tube/20KGs in arton Box) ze DITRIBUTED BY:

9 NIHIA WELDING ELETRODE NGD For Arc Gouging Identification : Orange Tip reparing joints to be welded, back chipping, removal of defects and unwanted sections, cutting of risers and gates from castings. It is especially suited for the cast iron, stainless steel and nonferrous metal which are difficult to be cut. ze urrent Range Instructions for Operations 1. trike the arc by the angle less than 30º for the base metal and then proceed forward by pressing firmly on the metal. 2. Hasten the manipulation speed when face chipping, back chipping and shallow groove should be made. If the deep groove is necessary, it is better to repeat gouging operation several times with shallow groove than one final gouging operation for obtaining beautiful surface c x hr MGL-12 For Aluminium Alloys Repairing of automotive, truck and bus parts. Also for tanks, pipes, ladders, shelves, refrigeration equipment, foundry patterns and many other aluminium structures. Instructions for Operations lean weld Area. arts 1/8 or heavier should be beveled 70º - 90º. No preheat is necessary on thin gauges but faster, flatter, smoother welds are produced on heavier sections of they are preheated to u 0.01 lassification : AW Alsi 5 DIN 1732 approximately ºF (205º). Hold electrode vertical to workplace, maintain a short arc and fast travel speed. Use either stinger beads or weaving technique. Remove slag between passes. Restart arc on existing weld deposits. Allow part to cool slowly. hip of all slag before quenching. For complete slag removal use a wire brush with a 10% sulfuric acid and hot water solution. Rinse with clean hot water Be Mg 0.02 Ti 0.02 Zn 0.01 Mechanical roperties of All Weed Metal Hardness olour Match % HB Good (darken if anodized) Diameter ze Al bal DITRIBUTED BY: