STAINLESS STEEL SHEETS

STAINLESS & NICKEL ALLOY

CHATHAM STEEL CORPORATION 59 STAINLESS STEEL SHEETS TYPE 04, 04L, 6, 6L No. 2B Finish Cold Rolled, Annealed *No. 2D Finish No. Finish Polished One Side No. 4 Finish Polished One Side Stainless Steel Weight Est. Wt. Gauge, Width, Lbs. per per and Length Sq. Ft. Sheet 7 Ga. (.874") 48 x 96 7.87 25.9 48 x 20 7.87 4.8 48 x 44 7.87 77.8 0 Ga. (.5") 6 x 20 5.670 70. 48 x 96 5.670 8.4 48 x 20 5.670 226.8 60 x 20* 5.670 28.5 60 x 44* 5.670 40.2 72 x 20* 5.670 40.2 Ga. (.20") 6 x 96 5.040 2.0 6 x 20 5.040 5.2 6 x 44 5.040 8.4 48 x 96 5.040 6. 48 x 20 5.040 20.6 48 x 44 5.040 24.9 60 x 20 5.040 252.0 60 x 44 5.040 02.4 72 x 20* 5.040 02.4 72 x 44* 5.040 62.9 2 Ga. (.05") 6 x 96 4.40 05.8 6 x 20 4.40 2. 6 x 44 4.40 58.8 42 x 20 4.40 54.4 48 x 96 4.40 4. 48 x 20 4.40 76.4 48 x 44 4.40 2.7 60 x 96 4.40 76.4 60 x 20 4.40 220.5 60 x 44 4.40 264.6 72 x 20* 4.40 264.6 72 x 44* 4.40 7.5

60 CHATHAM STEEL CORPORATION STAINLESS STEEL SHEETS (continued) TYPE 04, 04L, 6, 6L No. 2B Finish Cold Rolled, Annealed *No. 2D Finish No. Finish Polished One Side No. 4 Finish Polished One Side Stainless Steel Weight Est. Wt. Gauge, Width, Lbs. per per and Length Sq. Ft. Sheet Ga. (.090") 6 x 96.780 90.72 6 x 20.780.4 48 x 20.780 5.2 4 Ga. (.075") 0 x 20.50 78.75 6 x 96.50 75.60 6 x 20.50 94.50 6 x 44.50.4 42 x 20.50 0. 42 x 44.50 2. 48 x 96.50 00.8 48 x 20.50 26.0 48 x 44.50 5.2 60 x 20.50 57.5 60 x 44.50 89.0 72 x 20.50 89.0 72 x 44.50 226.8 6 Ga. (.060") 0 x 96 2.520 50.40 0 x 20 2.520 6.00 6 x 96 2.520 60.48 6 x 20 2.520 75.60 6 x 44 2.520 90.72 42 x 20 2.520 88.20 48 x 96 2.520 80.64 48 x 20 2.520 00.8 48 x 44 2.520 2.0 60 x 96 2.520 00.8 60 x 20 2.520 26.0 60 x 44 2.520 5.2

CHATHAM STEEL CORPORATION 6 STAINLESS STEEL SHEETS (continued) TYPE 04, 04L, 6, 6L No. 2B Finish Cold Rolled, Annealed *No. 2D Finish No. Finish Polished One Side No. 4 Finish Polished One Side Stainless Steel Weight Est. Wt. Gauge, Width, Lbs. per per and Length Sq. Ft. Sheet 8 Ga. (.048") 0 x 96 2.06 40.2 0 x 20 2.06 50.40 6 x 96 2.06 48.8 6 x 20 2.06 60.48 6 x 44 2.06 72.58 42 x 20 2.06 70.56 48 x 96 2.06 64.5 48 x 20 2.06 80.64 48 x 44 2.06 96.77 60 x 20 2.06 00.8 60 x 44 2.06 2.0 9 Ga. (.042") 6 x 20.764 52.92 20 Ga. (.06") 0 x 96.52 0.24 0 x 20.52 7.80 6 x 96.52 6.29 6 x 20.52 45.6 6 x 44.52 54.4 42 x 20.52 52.92 48 x 96.52 48.8 48 x 20.52 60.48 48 x 44.52 72.58 22 Ga. (.00") 0 x 96.260 25.20 0 x 20.260.50 6 x 96.260 0.24 6 x 20.260 7.80 6 x 44.260 45.6 48 x 96.260 40.2 48 x 20.260 50.40

62 CHATHAM STEEL CORPORATION STAINLESS STEEL SHEETS (continued) TYPE 04, 04L, 6, 6L No. 2B Finish Cold Rolled, Annealed *No. 2D Finish No. Finish Polished One Side No. 4 Finish Polished One Side Stainless Steel Weight Est. Wt. Gauge, Width, Lbs. per per and Length Sq. Ft. Sheet 24 Ga. (.024") 0 x 96.008 20.6 0 x 20.008 25.20 6 x 96.008 24.9 6 x 20.008 0.24 48 x 96.008 2.26 48 x 20.008 40.2 26 Ga. (.08") 0 x 96.7560 5.2 0 x 20.7560 8.90 6 x 96.7560 8.4 6 x 20.7560 22.68 48 x 96.7560 24.9 48 x 20.7560 0.24 28 Ga. (.05") 6 x 96.60 5.2 6 x 20.60 8.90 EXPANDED STAINLESS SHEETS TYPE 04 & 6 - FLATTENED Long way of diamond runs parallel to length of sheet. Sizes in Stock Style Size in Wt. Per Sq. Wt. Per Style Size in Wt. Per Sq. Wt. Per Designation Inches Ft. in lbs. Sheet Designation Inches Ft. in lbs. Sheet 4 9 48 x 96.95 62.4 4 48 x 96 0.86 27.5 2 48 x 96.78 56.9 4 6 48 x 96 0.57 8.2 2 6 48 x 96 0.86 27.5 4 8 48 x 96 0.46 4.7 2 8 48 x 96 0.69 22. 2 48 x 96 0.65 20.8 2 9 48 x 96. 4.9

CHATHAM STEEL CORPORATION 6 STAINLESS PLATES TYPE 04, 04L, 6 AND 6L Hot Rolled, Annealed and Pickled Thickness Est. Wt. Thickness Est. Wt. and Size per Sq. Ft. and Size per Sq. Ft. in Inches in Lbs. in Inches in Lbs. 6 48 8.579 2 48 2.660 60 8.579 60 2.660 72 8.579 72 2.660 84 8.579 84 2.660 96 8.579 96 2.660 20 8.579 20 2.660 4 48.60 5 8 96 26.80 60.60 4 96 2.20 72.60 7 8 96 7.290 84.60 60 42.670 96.60 96 42.670 20.60 8 96 47.80 5 6 48.750 4 96 5.000 60.750 2 96 6.4 84.750 4 96 7.67 96.750 2 96 84.0 20.750 2 2 96 05.0 8 48 6.500 96 26. 60 6.500 4 96 6.6 72 6.500 2 96 47.0 84 6.500 4 96 57. 96 6.500 4 96 67.6 20 6.500 STAINLESS DIAMOND FLOOR PLATES 04/6L Hot Rolled, Annealed and Pickled ASTM A79-85-Identification Color: Green Sizes in Stock Thickness St. Per and Width in Sq. Ft. in 04 6L Inches Lbs. 6...48 8.70 X 6...60 8.70 X 4...48.25 X X 4...60.25 X 8...48 6.70 X

64 CHATHAM STEEL CORPORATION STAINLESS ROUND BAR TYPE 0, 04, 6 Size Est. Wt. Size Est. Wt. in Per Ft. Est. Wt. in Per Ft. Est. Wt. Inches Pounds 2' Bar Inches Pounds 2' Bar 4.502 8.02 2 8 2.06 44.7 6.76 2.6 2 4.52 62.2 7 8 2.045 24.54 2 8 5.06 80.7 5 6 2.47 28.6 2 7 6 5.87 90.4 2.670 2.04 2 2 6.69 200. 6.05 6.8 2 5 8 8.40 220.8 8.80 40.56 2 4 20.9 242. 6.766 45.9 2 7 8 22.07 264.8 4 4.7 50.08 24.0 288.4 5 6 4.600 55.20 8 26.08.0 8 5.049 60.59 4 28.2 8.5 7 6 5.58 66.22 8 0.42 65.0 2 6.008 72.0 2 2.7 92.5 5 8 7.052 84.62 4 7.55 450.6 6 7.604 9.25 4 42.7 52.8 4 8.78 98.4 4 4 48.2 578.8 7 8 9.88 2.7 4 2 54.08 649.0 5 6 0.02 20.2 4 4 60.25 72.0 2 0.68 28.2 5 66.76 80. STAINLESS SQUARE BAR TYPE 04, 6 Cold Finished Size Est. Wt. Size Est. Wt. in Per Ft. Est. Wt. in Per Ft. Est. Wt. Inches Pounds 2' Bar Inches Pounds 2' Bar 8.05.672 4.9 22.96 6.95.44 7 8 2.60.24 4.225 2.550.400 40.80 5 6.20.984 8 4.0 5.64 8.478 5.77 4 5. 6.76 7 6.6508 7.80 2 7.650 9.80 2.8500 0.20 4 0.4 24.9 9 6..076 2.9 2.60 6.2 5 8.28 5.94

CHATHAM STEEL CORPORATION 65 STAINLESS FLATS TYPE 04, 6 Annealed and Pickled Size Est. Wt. Size Est. Wt. in Per Ft. Est. Wt. in Per Ft. Est. Wt. Inches Pounds 2' Bar Inches Pounds 2' Bar 8 x 2.225 2.550 5 8.2656.87 8 x 2.675 7.650 4.88.826 4 9.56.48.4250 5.00.275 5.0 4.5 6.76 4.594 9.0 2.675 7.650 2.9 22.96 2.8500 0.20 4 2.2 26.77 2 2.06 2.76 2 2.550 0.60.275 5.0 2 2.88 8.26 6 x 2.88.826.825 45.90 5 8.984 4.78 4 5.00 6.20 4.478 5.77 5 6.75 76.50.675 7.650 6 7.650 9.80 4.7969 9.56 2 x 4.275 5.0 2.956.48.700 20.40 4.6.9 4 2.25 25.50 2.275 5.0 2 2.550 0.60 2 2.594 9. 4 2.975 5.70.9 22.96 2.400 40.80 4 x 2.4250 5.00 2 2 4.250 5.00 5 8.5 6.76 5.00 6.20 4.675 7.650 2 5.950 7.40.8500 0.20 4 6.800 8.60 4.06 2.76 4 2 7.650 9.80 2.275 5.0 5 8.500 02.0 4.488 7.86 6 0.20 22.4 2.700 20.40 5 8 x 4.594 9. 2 2 2.25 25.50 2.25 25.50 2.550 0.60 2.88 8.26 4.400 40.80 2 4.250 5.00 6 5.00 6.20 2 2 5. 6.76

66 CHATHAM STEEL CORPORATION STAINLESS FLATS (continued) TYPE 04, 6 Annealed and Pickled Size Est. Wt. Size Est. Wt. in Per Ft. Est. Wt. in Per Ft. Est. Wt. Inches Pounds 2' Bar Inches Pounds 2' Bar 5 8 x 6.75 76.50 4 0.20 22.4 2 7.48 89.26 5 2.75 5.0 4 8.500 0.20 6 5.0 8.6 6 2.75 5.0 x 2 5.00 6.20 4 x 2.550 0.60 4 5.950 7.40 4.88 8.26 2 6.800 8.60 2.825 45.90 2 2 8.500 02.0 2 5.00 6.20 0.20 22.4 2 2 6.75 76.50 4.60 6.2 7.650 9.80 6 20.40 244.8 STAINLESS ANGLES TYPE 04, 04L, 6, and 6L Size Est. Wt. Size Est. Wt. in per Ft. in per Ft. Inches in Lbs. Inches in Lbs. 4 x 4 x 8.590 2 2 x2 2 x 6.07 x x 8.800 2 2 x2 2 x 4 4.0 x x 6.6 2 2 x2 2 x 8 5.90 x x 4.49 x2 x 6.07 4 x 4 x 8.0 x2 x 4 4.0 4 x 4 x 6.48 x x 4 4.90 4 x 4 x 4.92 x x 5 6 6.0 2 x 2 x 8.2 x x 8 7.20 2 x 2 x 6.80 2 x 2 x 4 5.80 2 x 2 x 4 2.4 4 x x 4 5.80 2 x2 x 8.65 4 x x 8 8.50 2 x2 x 6 2.44 4 x4 x 4 6.60 2 x2 x 4.9 4 x4 x 8 9.80 2 x2 x 8 4.70 5 x x 8 9.85

CHATHAM STEEL CORPORATION 67 WELDED STAINLESS PIPE TYPE 04 TYPE 6 Schedule 40 Standard IPS Cold Finished, Annealed and Pickled 7-24 Ft. Random Lengths ASTM A2 Diameter Inches Wall Iron Pipe Thickness Wt. Per Size In. O.D. I.D. Inches Ft. Lbs. 2 8.405.269.068.2447 2 4.540.64.088.4248 2 8.675.49.09.5676 2 2.840.622.09.850 2 4.050.824...5.049..679 4.660.80.40 2.27 2.900.60.45 2.78 2 2.75 2.067.54.65 2 2 2.875 2.469.20 5.79.500.068.26 7.576 2 4.000.548.226 9.09 4 4.500 4.026.27 0.79 5 5.56 5.047.258 4.62 6 6.625 6.065.280 8.97

68 CHATHAM STEEL CORPORATION WELDED EXTRA HEAVY STAINLESS PIPE TYPE 04 Schedule 80 Extra Heavy IPS Cold Finished, Annealed and Pickled 7-24 Ft. Random Lengths ASTM A2 Ex. Hv. Diameter Inches Wall Pipe Size Thickness Wt. Per Inches O.D. I.D. Inches Ft. Lbs. 2 8.405.25.095.45 2 4.540.02.9.55 2 8.675.42.26.788 2 2.840.546.47.088 2 4.050.742.54.474.5.957.79 2.72 4.660.278.9 2.997 2.900.500.200.6 2 2.75.99.28 5.022 2 2* 2.875 2.2.276 7.66 2*.500 2.900.00 0.25 2* 4.000.64.8 2.5 4 2* 4.500.826.7 4.98 5 2* 5.56 4.8.75 20.78 *These sizes are Seamless.

CHATHAM STEEL CORPORATION 69 STAINLESS TUBING WELDED TYPE 04 Round, Square and Rectangular Ornamental/Structural Grade - Mill Finish Identification Color: Green 20 Ft. Lengths Sizes in Stock Outside Wall Wall Dimension Thickness Thickness Weight per Ft. in Inches Gauge Decimal in Lbs. Round 4 20.05.267 8.049.668 6.065.4755.095.6646.20.8074 7 8 20.05.40 8.049.42 6.065.562.20.9676 20.05.607 8.049.4977 6.065.649 4.08.829.20.28 6.88.60 8 6.065.759 4 20.05.4542 4 8.049.6285 6.065.8226 4.08.05.20.448 4.250 2.670 8 6.065.9094 2 20.05.5476 8.049.759 6.065.9962 4.08.256.20.769

70 CHATHAM STEEL CORPORATION STAINLESS TUBING (continued) WELDED TYPE 04 Round, Square and Rectangular Ornamental/Structural Grade - Mill Finish Identification Color: Green 20 Ft. Lengths Sizes in Stock Outside Wall Wall Dimension Thickness Thickness Weight per Ft. in Inches Gauge Decimal in Lbs. Round 6.88 2.64 4.250.8 * 5 8 6.065.08 * 4 20.05.64 8.049.8902 6.065.70.20 2.089 6.88.6 *2 20.05.745 8.049.02 6.065.4 *Polished

CHATHAM STEEL CORPORATION 7 STAINLESS TUBING (continued) WELDED TYPE 04 Round, Square and Rectangular Ornamental/Structural Grade - Mill Finish Identification Color: Green 20 Ft. Lengths Sizes in Stock Outside Wall Wall Dimension Thickness Thickness Weight per Ft. in Inches Gauge Decimal in Lbs. Square 8 0.0490 0.60 6 0.0650 0.827 0.200.46 4 6 0.0650.050 4 0.080.7 0.200.844 2 6 0.0650.270 4 0.080.60 0.200 2.255 7 0.800.60 4 4 0.080.880 2 6 0.0650.70 4 0.08 2.64 0.200.068 7 0.800 4.455 6 0.880 4.460 4 0.2500 6.00 2 2 7 0.800 5.680 4 0.080.29 0.200 4.700 7 0.800 6.90 6 0.880 6.900 4 0.2500 0.00 4 0.200 6.260 7 0.800 9.270 6 0.880 9.270 4 0.2500 2.68

72 CHATHAM STEEL CORPORATION STAINLESS TUBING (continued) WELDED TYPE 04 Round, Square and Rectangular Ornamental/Structural Grade - Mill Finish Identification Color: Green 20 Ft. Lengths Sizes in Stock Outside Wall Wall Dimension Thickness Thickness Weight per Ft. in Inches Gauge Decimal in Lbs. Rectangular 2 x 0.200.929 2 2 x 6 0.0650.270 2 2 x 0.200 2.252 2 x 2 0.200.884 2 x 2 7 0.800 5.679 4 2 x 2 0.200 4.700 4 2 x 2 7 0.800 6.90 4 2 x 2 4 0.2500 0.00 4 2 x 7 0.800 8.27 6 2 x 2 7 0.800 9.270 6 2 x 2 4 0.2500 2.68 4 2 x 4 0.2500 0.89 5 2 x 7 0.800 9.270 5 2 x 4 0.2500 2.68 6 2 x 7 0.800 0.52 6 2 x 4 7 0.800.90 6 2 x 4 4 0.2500 6.5

CHATHAM STEEL CORPORATION 7 NICKEL ALLOYS Nickel-chromium-iron alloys developed for use in severely corrosive environments at elevated temperatures. C 600 ASTM B68 ASME SB68 Chemical Composition (Nominal Analysis, Percent) Nickel-Chromium-iron alloys developed for use in severely corrosive environments at elevated temperatures. Resistant to dry Cl2 and HCI gases at moderately elevated temperatures. Good high-temperature strength and oxidation resistance to 250 (75 C). Especially useful in carburizing environments. Resists chloride-ion stress-corrosion cracking. Carbon, max. 0.5 Copper, max. 0.5 Manganese, max..0 Iron 6.0-0.0 Silicon, max. 0.4 Chromium 4.0-7.0 Sulfur, max. 0.05 Nickel (plus Cobalt), min. 72.0 Typical Tensile Strength, ksi 8.0 Yield Strength, 0.2% Offset, ksi 4.0 C 60 ASTM B68 ASME SB68 Nickel-chromium-iron alloy exhibiting out-standing resistance to both cyclic and static oxidation to 200 F (260 C). High tensile, yield and creep-rupture strengths at high temperatures. Excellent resistance to stress-corrosion cracking, carburizing, nitriding and sulfur containing environments. Carbon, max. 0.0 Chromium 2.0-25.0 Manganese, max..0 Nickel 58.0-6.0 Silicon, max. 0.50 Titanium 0.0-0.60 Sulfur, max. 0.05 Aluminum.0-.7 Copper, max..0 Iron Remainder Boron, Max. 0.006 Typical Tensile Strength, ksi 4.0 Yield Strength, 0.2% Offset, ksi 5.0

74 CHATHAM STEEL CORPORATION NOTES