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H20MnCrNiMo

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China GB H20MnCrNiMo 焊接用钢盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: H20MnCrNiMo / H20MnCrNiMo
Category Grade Standard Region/Area Standard Content
Metals H20MnCrNiMo GB/T 3429 China 焊接用钢盘条

Chemical composition(mass fraction)(wt.%) of the H20MnCrNiMo

Element Min Max Similar
Total others - 0.5000 -
S - 0.0300 -
P - 0.0250 -
Cu - 0.2000 -
Mo 0.1500 0.3000 -
Ni 0.4000 0.8000 -
Cr 0.4000 0.6000 -
Mn 0.6000 0.9000 -
Si 0.1500 0.3500 -
C 0.1600 0.2300 -

Mechanical Properties of steel grade H20MnCrNiMo

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)
841 (≥) 545 (≥) 22 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade H20MnCrNiMo

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
14 - -     0.21 -  
369 334 - 14.3 122   -  
684 - 33 12.2   122 322

Heat Treatment of steel grade H20MnCrNiMo

Heat treated : 1758°C - 1729°C

Technological Curves of steel grade H20MnCrNiMo

Cross Reference Table (Equivalent Grade) of H20MnCrNiMo

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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