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SUM 31 L

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Japan JIS SUM31L 易切削碳钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SUM31L / SUM 31 L
Category Grade Standard Region/Area Standard Content
Metals SUM 31 L JIS G4804 Japan 易切削碳钢

Chemical composition(mass fraction)(wt.%) of the SUM 31 L

Element Min Max Similar

Mechanical Properties of steel grade SUM 31 L

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)
433 (≥) 529 (≥) 14 24 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade SUM 31 L

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
34 - -     0.21 -  
618 177 - 22.3 134   -  
189 - 43 34.2   144 133

Heat Treatment of steel grade SUM 31 L

Heat treated : 1882°C - 1937°C

Technological Curves of steel grade SUM 31 L

Cross Reference Table (Equivalent Grade) of SUM 31 L

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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