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SCr 445

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Japan JIS SCr445 机械结构用低合金钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SCr445 / SCr 445
Category Grade Standard Region/Area Standard Content
Metals SCr 445 JIS G4053 Japan 机械结构用低合金钢

Chemical composition(mass fraction)(wt.%) of the SCr 445

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0300 -
P - 0.0300 -
Ni - 0.2500 -
Mn 0.6000 0.8500 -
Cu - 0.3000 -
Cr 0.9000 1.2000 -
C 0.4300 0.4800 -
Si 0.1500 0.3500 -
S - 0.0300 -
P - 0.0300 -
Ni - 0.2500 -
Mn 0.6000 0.9000 -
Cu - 0.3000 -
Cr 0.9000 1.2000 -
C 0.4300 0.4800 -

Mechanical Properties of steel grade SCr 445

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)
391 (≥) 436 (≥) 44 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade SCr 445

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
43 - -     0.21 -  
271 198 - 11.3 344   -  
544 - 11 22.2   431 422

Heat Treatment of steel grade SCr 445

Heat treated : 1626°C - 1956°C

Technological Curves of steel grade SCr 445

Cross Reference Table (Equivalent Grade) of SCr 445

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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