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20MnHR

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China 舞钢Q/WTB 20MnHR 供西核公司20MnHR钢板供货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20MnHR / 20MnHR
Category Grade Standard Region/Area Standard Content
Metals 20MnHR WYJ 219 China 供西核公司20MnHR钢板供货技术条件

Chemical composition(mass fraction)(wt.%) of the 20MnHR

Element Min Max Similar
Cu+6Sn - 0.3300 -
Cr+Cu+Mo+Ni - 0.7500 -
V - 0.0300 -
Ti - 0.0400 -
Ni - 0.3500 -
Nb - 0.0300 -
Mo - - -
Cu - 0.1800 -
Cr - 0.3500 -
N - 0.0140 -
Al 0.0150 - -
S - 0.0200 -
P - 0.0300 -
Mn 1.0000 1.8000 -
Si - 0.6000 -
C 0.0800 0.2200 -

Mechanical Properties of steel grade 20MnHR

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)
372 (≥) 865 (≥) 11 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade 20MnHR

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 -  
164 963 - 23.3 442   -  
682 - 12 33.2   233 424

Heat Treatment of steel grade 20MnHR

Heat treated : 1149°C - 1937°C

Technological Curves of steel grade 20MnHR

Cross Reference Table (Equivalent Grade) of 20MnHR

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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