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A 959 Type 309H

Description

USA SAE A 959 (2011) , A 959 Type 309H 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 Type 309H
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 959 Type 309H Austenite SAE USA Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Chemical composition(mass fraction)(wt.%) of the A 959 Type 309H

C Si Mn P S Cr Ni
≤0.08 ≤0.75 ≤2.00 ≤0.045 ≤0.030 22.0 -24.0 12.0 -15.0

Mechanical Properties of steel grade A 959 Type 309H

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)
241 (≥) 348 (≥) 12 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade A 959 Type 309H

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
23 - -     0.22 -  
181 899 - 43.3 432   -  
248 - 11 24.2   321 211

Heat Treatment of steel grade A 959 Type 309H

Heat treated : 1527°C - 1564°C

Technological Curves of steel grade A 959 Type 309H

Cross Reference Table (Equivalent Grade) of A 959 Type 309H

Relevant standard of A 959 Type 309H

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

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