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HC420/780TR

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China 首钢Q/SG HC420/780TR 冷轧相变诱导塑性钢钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HC420/780TR / HC420/780TR
Category Grade Standard Region/Area Standard Content
Metals HC420/780TR Q/SGZGS 328 China 冷轧相变诱导塑性钢钢板及钢带

Chemical composition(mass fraction)(wt.%) of the HC420/780TR

Element Min Max Similar
C - 0.3000 -
Si - 2.2000 -
Mn - 2.5000 -
P - 0.1000 -
S - 0.0150 -
Alt 0.0150 2.0000 -
Cr+Mo+Ni - 1.5000 -

Mechanical Properties of steel grade HC420/780TR

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)
312 (≥) 957 (≥) 31 34 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade HC420/780TR

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 - -     0.12 -  
986 797 - 23.3 324   -  
541 - 33 24.2   111 434

Heat Treatment of steel grade HC420/780TR

Heat treated : 1688°C - 1851°C

Technological Curves of steel grade HC420/780TR

Cross Reference Table (Equivalent Grade) of HC420/780TR

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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