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SA-213 Grade 18Cr-2Mo

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SA-213 18Cr-2Mo W21318
#318

Description

USA AMS SA-213/SA-213M, SA-213 Grade 18Cr-2Mo Specialsteel Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-213 Grade 18Cr-2Mo
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-213 Grade 18Cr-2Mo Precipitation-Hardening AMS USA Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

Chemical composition(mass fraction)(wt.%) of the SA-213 Grade 18Cr-2Mo

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo V
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 13.00 -15.00 17.00 -19.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ 1.75 -2.75 ≤ ≥

Mechanical Properties of steel grade SA-213 Grade 18Cr-2Mo

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
883 (≥) 574 (≥) 33 34 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade SA-213 Grade 18Cr-2Mo

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
24 - -     0.12 -  
886 741 - 24.3 314   -  
142 - 34 32.2   243 411

Heat Treatment of steel grade SA-213 Grade 18Cr-2Mo

Heat treated : 1343°C - 1949°C

Technological Curves of steel grade SA-213 Grade 18Cr-2Mo

Cross Reference Table (Equivalent Grade) of SA-213 Grade 18Cr-2Mo

Grade Standard Country Application
1.4318
1.4318
1.3318
S31803
318
S31803
ASTM J93183
UNS W50318
UNS W21318
AWS E318
AWS ER318
1.3318
1.3318
2205(S31803)
S31803
318S17
318S17
1.4318
1.4318

Relevant standard of SA-213 Grade 18Cr-2Mo

SA-213/SA-213M Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes SA-213-SA-213M.pdf
SA-213 18Cr-2Mo W21318
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Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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