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A 959 S40945

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A 240 S40945 S40945
#A176 #S40945

Description

USA SAE A 959 (2011), A 959 S40945 Specialsteel Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 959 S40945
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 959 S40945 Ferrite SAE USA Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Chemical composition(mass fraction)(wt.%) of the A 959 S40945

C Mn Si P S Cr Ni Mo Nb Ti N
≤0.03 ≤1.00 ≤1.00 ≤0.04 ≤0.03 10.50 -11.70 ≤0.50 ≤ ≥ 0.18 -0.40 0.05 -0.20 ≤0.03

Mechanical Properties of steel grade A 959 S40945

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)
915 (≥) 438 (≥) 13 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade A 959 S40945

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 - -     0.24 -  
951 647 - 41.3 231   -  
913 - 41 22.2   213 232

Heat Treatment of steel grade A 959 S40945

Heat treated : 1242°C - 1924°C

Technological Curves of steel grade A 959 S40945

Cross Reference Table (Equivalent Grade) of A 959 S40945

Grade Standard Country Application
S40945
S40945

Relevant standard of A 959 S40945

A 959 (2011) Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels A-959-(2011).pdf
A 240 S40945 S40945
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