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SA-268 S44300

Favorite Datasheet
SA-1008 SHS Grade 44[300] A 176 S44400
#443 #MT443 #S44300

Description

USA AMS SA-268/SA-268M, SA-268 S44300 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 S44300
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-268 S44300 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 S44300

C Mn Si P S Cr Ni Mo Cu
≤0.02 ≤1.00 ≤1.00 ≤0.04 ≤0.03 18.00 -23.00 ≤0.50 ≤ ≥ 0.90 -1.25

Mechanical Properties of steel grade SA-268 S44300

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)
744 (≥) 454 (≥) 31 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade SA-268 S44300

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
31 - -     0.34 -  
959 458 - 32.3 212   -  
759 - 31 21.2   243 324

Heat Treatment of steel grade SA-268 S44300

Heat treated : 1321°C - 1244°C

Technological Curves of steel grade SA-268 S44300

Cross Reference Table (Equivalent Grade) of SA-268 S44300

Grade Standard Country Application
1.4435
1.4436
1.4438
1.4439
1.4432
1.4435
1.4438
1.4439
1.4436
1.4436
1.4434
1.4439
1.4437
1.4430
1.4430
443
S44300
TP443
S44300
MT443

Relevant standard of SA-268 S44300

SA-268/SA-268M Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service SA-268-SA-268M.pdf
SA-1008 SHS Grade 44[300] A 176 S44400
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