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HC300B

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China 首钢Q/SG HC300B 烘烤硬化高强度冷轧钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HC300B / HC300B
Category Grade Standard Region/Area Standard Content
Metals HC300B Q/SGZGS 0347 China 烘烤硬化高强度冷轧钢板和钢带

Chemical composition(mass fraction)(wt.%) of the HC300B

Element Min Max Similar
C - 0.1000 -
Mn - 0.8000 -
P - 0.1200 -
S - 0.0250 -
Alt 0.0150 - -

Mechanical Properties of steel grade HC300B

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)
771 (≥) 745 (≥) 23 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade HC300B

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
12 - -     0.23 -  
594 997 - 23.3 414   -  
692 - 34 34.2   331 423

Heat Treatment of steel grade HC300B

Heat treated : 1991°C - 1765°C

Technological Curves of steel grade HC300B

Cross Reference Table (Equivalent Grade) of HC300B

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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