A213 Alloy Steel boiler tube

A213 Alloy Steel boiler tube SA-213/SA-213M Specification for seamless Ferritic Alloy steel boiler, Superheater and heat exchanger tubes Delivery Condition: Normalized and Tempered Inspections and Tests Performed: Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test, No-destructive Test, Hydrostatic Test. Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting Inner packing: Caps on two ends of every pipe Package: bare packing/bundle packing/wooden carton packing. Size Tolerance Tube Kinds SA213 OD(D) SA213 Thickness(S) OD(mm) OD Tolerance(mm) OD(mm) Thickness Tolerance(mm) Hot Rolled =101.6 +0.4~-0.8 76~168.3 +28%~0 >101.6~168.3 +0.4~-1.2 Cold Drawn <25.4 0.1 =38.1 +20%~0 25.4~38.1 0.15 >38.1~<50.8 0.2 >38.1 +22%~0 50.8~<63.5 0.25 63.5~<76.2 0.3 76.2~101.6 0.38 >101.6~190.5 +0.38~-0.64 >190.5~228.6 +0.38~-1.14 Grade Tensile Strength,Min., ksi[MPa] Yield Strength,Min., ksi[MPa] Elongation in 2 in. or 50 mm,Min., %[Note (1),(2)] T12 60 [415] 32 [220] 30 T23 74 [510] 58 [400] 20 T91 85 [585] 60 [415] 20 T92 90 [620] 64 [440] 20 T122 90 [620] 58 [400] 20 18Cr-2Mo 60 [415] 40 [275] 20 NOTES: (1) When standard round 2 in. or 50 mm gage length or smaller proportionally sized specimens with gage length equal to 4D (4 times the diameter) is used, the minimum elongation shall be 22% for all ferritic grades except 18Cr-2Mo, T23 and T91. (2) For longitudinal strip tests, a deduction from the basic minimum CHEMICAL REQUIREMENTS FOR FERRITIC STEEL Composition, % Grade Carbon Manganese Phosphorus, Max. Sulfur, Max Silicon Chromium Molybdenum Titanium Vanadium,Min. Other Elements T2 [Note (1)] 0.10~0.20 0.30~0.61 0.025 0.025 0.10~0.30 0.50~0.81 0.44~0.65 . . . . . . T5 0.15 max. 0.30~0.60 0.025 0.025 0.50 max. 4....

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