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QP980

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China 宝钢Q/BQB QP980 第三代汽车用超高强钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: QP980 / QP980
Category Grade Standard Region/Area Standard Content
Metals QP980 -- China 第三代汽车用超高强钢

Chemical composition(mass fraction)(wt.%) of the QP980

Element Min Max Similar
C - - 0.2089
Si - - 1.3860
Mn - - 1.8760
P - - 0.0081
S - - 0.0020
Alt - - 0.0360
Ti - - 0.0061
N - - 0.0033

Mechanical Properties of steel grade QP980

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)
314 (≥) 334 (≥) 24 33 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade QP980

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 - -     0.14 -  
346 992 - 41.3 121   -  
714 - 14 24.2   112 111

Heat Treatment of steel grade QP980

Heat treated : 1742°C - 1129°C

Technological Curves of steel grade QP980

Cross Reference Table (Equivalent Grade) of QP980

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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