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SA-268 S44600-2

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SA-268 S44600-1 A 314 S44625
#446 #S44600

Description

USA AMS SA-268/SA-268M, SA-268 S44600-2 Specialsteel Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-268 S44600-2
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-268 S44600-2 Ferrite AMS USA Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

Chemical composition(mass fraction)(wt.%) of the SA-268 S44600-2

C Mn Si P S Cr Ni Mo N
≤0.02 ≤1.50 ≤1.00 ≤0.04 ≤0.03 23.00 -27.00 ≤0.50 ≤ ≥ ≤0.25

Mechanical Properties of steel grade SA-268 S44600-2

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)
632 (≥) 454 (≥) 14 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade SA-268 S44600-2

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
32 - -     0.14 -  
987 132 - 22.3 214   -  
976 - 21 34.2   332 242

Heat Treatment of steel grade SA-268 S44600-2

Heat treated : 1258°C - 1928°C

Technological Curves of steel grade SA-268 S44600-2

Cross Reference Table (Equivalent Grade) of SA-268 S44600-2

Grade Standard Country Application
1.4460
1.4462
1.4465
1.4466
1.4466
1.4462
1.4460
1.0446
1.0446
1.4469
1.4446
1.4463
1.4464
1.4468
1.4469
446
S44600
S44626
S44627
S44635

Relevant standard of SA-268 S44600-2

SA-268/SA-268M Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service SA-268-SA-268M.pdf
SA-268 S44600-1 A 314 S44625
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