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HC420LA

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China 首钢Q/SG HC420LA 高强度低碳及低合金冷轧钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HC420LA / HC420LA
Category Grade Standard Region/Area Standard Content
Metals HC420LA Q/SGZGS 326 China 高强度低碳及低合金冷轧钢板及钢带

Chemical composition(mass fraction)(wt.%) of the HC420LA

Element Min Max Similar
C - 0.1000 -
Si - 0.5000 -
Mn - 1.6000 -
P - 0.0250 -
S - 0.0250 -
Alt 0.0150 - -
Ti - 0.1500 -
Nb - 0.0900 -
C - 0.1000 -
Si - 0.5000 -
Mn - 1.4000 -
P - 0.0250 -
S - 0.0200 -
Alt 0.0150 - -
Ti - 0.1500 -
Nb - 0.0900 -

Mechanical Properties of steel grade HC420LA

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)
112 (≥) 699 (≥) 24 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade HC420LA

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
24 - -     0.11 -  
854 799 - 12.3 141   -  
417 - 32 13.2   331 222

Heat Treatment of steel grade HC420LA

Heat treated : 1821°C - 1882°C

Technological Curves of steel grade HC420LA

Cross Reference Table (Equivalent Grade) of HC420LA

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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