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SDG2

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China 首钢Q/SG SDG2 导轨用冷轧钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SDG2 / SDG2
Category Grade Standard Region/Area Standard Content
Metals SDG2 -- China 导轨用冷轧钢板及钢带

Chemical composition(mass fraction)(wt.%) of the SDG2

Element Min Max Similar
C - 0.1200 -
Si - 0.5000 -
Mn - 0.6000 -
P - 0.0450 -
S - 0.0450 -

Mechanical Properties of steel grade SDG2

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)
414 (≥) 999 (≥) 13 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade SDG2

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 - -     0.33 -  
596 128 - 31.3 422   -  
987 - 41 44.2   341 134

Heat Treatment of steel grade SDG2

Heat treated : 1199°C - 1894°C

Technological Curves of steel grade SDG2

Cross Reference Table (Equivalent Grade) of SDG2

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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