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Description

USA UNS SAE AMS-S-8840A (1999), AM-350 Specialsteel Steel Sheet and Strip, Corrosion-Resistant, Precipitation Hardening (AM350 and AM355), Premium Quality Composition AM350, Annealed Composition AM355, CRT 150/180/120 and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: AM-350
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel AM-350 Precipitation-Hardening UNS USA Steel Sheet and Strip, Corrosion-Resistant, Precipitation Hardening (AM350 and AM355), Premium Quality Composition AM350, Annealed Composition AM355, CRT 150/180/120

Chemical composition(mass fraction)(wt.%) of the AM-350

C Si Mn P S Ni Cr Al Cu Ti Fe Mo N Co
≤0.10 ≤0.40 ≤1.00 ≤ ≥ ≤ ≥ ≤4.25 ≤16.50 ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤2.75 ≤0.10 ≤ ≥

Mechanical Properties of steel grade AM-350

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)
976 (≥) 375 (≥) 32 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade AM-350

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 - -     0.11 -  
778 391 - 13.3 333   -  
525 - 32 24.2   131 141

Heat Treatment of steel grade AM-350

Heat treated : 1367°C - 1675°C

Technological Curves of steel grade AM-350

Cross Reference Table (Equivalent Grade) of AM-350

Grade Standard Country Application
AM-350
AM-350/633(S35000)
AM-350(Type633)
AM-350(Type633)

Relevant standard of AM-350

SAE AMS-S-8840A (1999) Steel Sheet and Strip, Corrosion-Resistant, Precipitation Hardening (AM350 and AM355), Premium Quality Composition AM350, Annealed Composition AM355, CRT 150/180/120 SAE-AMS-S-8840A-(1999).pdf

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