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ASTM A213 Alloy Tubes

ASTM A213 Standard covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes.
Application: Boiler, Superheater and Heat-Exchanger.
Production Standard, Grade, Steel No:
ASTM A213 T11, T12, T22, T5, T9
ASTM A335 P11, P12, P22, P5, P9
ASTM A199 T11, T22, T5
ASTM A209 T1, T1a, T1b
EN10216-2 10CrMo5-5, 11CrMo9-10, X11CrMo5+1, TC1, TC2
JIS G3462 STBA 12, STBA13, STBA24

Main chemical composition(%) for ASTM A213

Grade UNS Designation C Mn P S Si
T2 K11547 0.10–0.20 0.30–0.61 0.025 0.025B 0.10–0.30
T5 K41545 0.15 0.30–0.60 0.025 0.025 0.5
T5b K51545 0.15 0.30–0.60 0.025 0.025 1.00–2.00
T5c K41245 0.12 0.30–0.60 0.025 0.025 0.5
T9 K90941 0.15 0.30–0.60 0.025 0.025 0.25–1.00
T11 K11597 0.05–0.15 0.30–0.60 0.025 0.025 0.50–1.00
T12 K11562 0.05–0.15 0.30–0.61 0.025 0.025B 0.5
T17 K12047 0.15–0.25 0.30–0.61 0.025 0.025 0.15–0.35
T21 K31545 0.05–0.15 0.30–0.60 0.025 0.025 0.50–1.00
T22 K21590 0.05–0.15 0.30–0.60 0.025 0.025 0.5
T23 K40712 0.04–0.10 0.10–0.60 0.03 0.01 0.5
T24 K30736 0.05–0.10 0.30–0.70 0.02 0.01 0.15–0.45
T36 K21001 0.10–0.17 0.80–1.20 0.03 0.025 0.25–0.50
T91 K90901 0.07–0.14 0.30–0.60 0.02 0.01 0.20–0.50
T92 K92460 0.07–0.13 0.30–0.60 0.02 0.01 0.5
T122 K91271 0.07–0.14 0.7 0.02 0.01 0.5
T911 K91061 0.09–0.13 0.30–0.60 0.02 0.01 0.10–0.50

 


Mechanical properties for ASTM A213 Low Alloy Steel
Tensile strength(min) 415Mpa
Yield strength(min) 220Mpa
Elongation 30%
Delivery condition annealed

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.
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