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AM-355(Type634)

Description

USA UNS AM-355(Type634) precipitation hardening and AM-355(Type634) Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: AM-355(Type634)
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel AM-355(Type634) UNS USA precipitation hardening
17-4PH
S17700
S17700
17-7PH
17-7PH
AM-350(Type633)
AM-350(Type633)
AM-350(Type633)
AM-350(Type633)
AM-355(Type634)

Chemical composition(mass fraction)(wt.%) of the AM-355(Type634)

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) N(%)
0.10-0.15 0.5 0.5-1.25 Max 0.04 Max 0.03 15.0-16.0 15.0-16.0 2.5-3.25 2.5-3.25

Mechanical Properties of steel grade AM-355(Type634)

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)
645 (≥) 992 (≥) 31 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade AM-355(Type634)

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 - -     0.12 -  
285 552 - 22.3 424   -  
388 - 33 14.2   411 134

Heat Treatment of steel grade AM-355(Type634)

Heat treated : 1383°C - 1891°C

Technological Curves of steel grade AM-355(Type634)

Cross Reference Table (Equivalent Grade) of AM-355(Type634)

Grade Standard Country Application
AM-355(Type634) UNS USA precipitation hardening
AM-355(Type634) UNS USA precipitation hardening

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