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A 270 S31803

Description

USA SAE A 270 (2010), A 270 S31803 Specialsteel Seamless and Welded Austenitic Stainless Steel Sanitary Tubing and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 270 S31803
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 270 S31803 Duplex steel SAE USA Seamless and Welded Austenitic Stainless Steel Sanitary Tubing

Chemical composition(mass fraction)(wt.%) of the A 270 S31803

C Mn Si P S Cr Ni Mo N
≤0.03 ≤2.00 ≤1.00 ≤0.03 ≤0.02 21.00 -23.00 4.50 -6.50 2.50 -3.50 0.08 -0.20

Mechanical Properties of steel grade A 270 S31803

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)
411 (≥) 837 (≥) 21 41 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade A 270 S31803

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
14 - -     0.24 -  
266 634 - 14.3 321   -  
978 - 31 32.2   441 131

Heat Treatment of steel grade A 270 S31803

Heat treated : 1965°C - 1362°C

Technological Curves of steel grade A 270 S31803

Cross Reference Table (Equivalent Grade) of A 270 S31803

Grade Standard Country Application
2205
S32205
2205(C)
S32205
2205
2205(S31803)
2205
S31803
S31803
S31803

Relevant standard of A 270 S31803

A 270 (2010) Seamless and Welded Austenitic Stainless Steel Sanitary Tubing A-270-(2010).pdf

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