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G-48B

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China YB G-48B 冶金用铬矿石 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G-48B / G-48B
Category Grade Standard Region/Area Standard Content
Metals G-48B YB/T 5277 China 冶金用铬矿石

Chemical composition(mass fraction)(wt.%) of the G-48B

Element Min Max Similar
Cr/Fe 2.5000 - -
P - 0.0080 -
S - 0.0080 -
Al2O3 - 18.0000 -
MgO - 24.0000 -
SiO2 - 7.0000 -
Cr2O3 48.0000 - -

Mechanical Properties of steel grade G-48B

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)
642 (≥) 727 (≥) 44 11 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade G-48B

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
32 - -     0.13 -  
975 363 - 22.3 224   -  
681 - 33 44.2   142 422

Heat Treatment of steel grade G-48B

Heat treated : 1338°C - 1277°C

Technological Curves of steel grade G-48B

Cross Reference Table (Equivalent Grade) of G-48B

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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