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STAM 440 G

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Japan JIS STAM440G 汽车结构用电阻焊接碳素钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STAM440G / STAM 440 G
Category Grade Standard Region/Area Standard Content
Metals STAM 440 G JIS G3472 Japan 汽车结构用电阻焊接碳素钢管

Chemical composition(mass fraction)(wt.%) of the STAM 440 G

Element Min Max Similar
S - 0.0350 -
P - 0.0350 -
Mn 0.3000 0.9000 -
Si - 0.3500 -
C - 0.2500 -
Si - 0.3500 -
S - 0.0350 -
P - 0.0350 -
Other - - -
Mn 0.3000 0.9000 -
C - 0.2500 -

Mechanical Properties of steel grade STAM 440 G

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)
573 (≥) 847 (≥) 41 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade STAM 440 G

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 - -     0.31 -  
714 398 - 21.3 122   -  
924 - 34 33.2   321 131

Heat Treatment of steel grade STAM 440 G

Heat treated : 1431°C - 1233°C

Technological Curves of steel grade STAM 440 G

Cross Reference Table (Equivalent Grade) of STAM 440 G

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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