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B275 GM51A

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America ASTM B275GM51A 某些锻造和锻造有色金属及合金统一牌号编制标准惯例 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B275GM51A / B275 GM51A
Category Grade Standard Region/Area Standard Content
Metals B275 GM51A ASTM B275 America 某些锻造和锻造有色金属及合金统一牌号编制标准惯例

Chemical composition(mass fraction)(wt.%) of the B275 GM51A

Element Min Max Similar
Mn 0.5000 1.0000 -
Si - 0.2500 -
Cr 0.0500 0.2000 -
Cu - 0.1000 -
Ti - 0.2000 -
Al - - -
Zn - 0.2500 -
Mg 4.7000 5.5000 -
Fe - 0.4000 -
Others total - 0.0500 -
Total Others - 0.1500 -
Zn - 0.2500 -
Total Others - 0.1500 -
Total Each - 0.0500 -
Ti - 0.2000 -
Si - 0.2500 -
Mn 0.5000 1.0000 -
Mg 4.7000 5.5000 -
Fe - 0.4000 -
Cu - 0.1000 -
Cr 0.0500 0.2000 -
Al - - -

Mechanical Properties of steel grade B275 GM51A

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)
348 (≥) 789 (≥) 34 11 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade B275 GM51A

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
31 - -     0.34 -  
462 734 - 24.3 312   -  
647 - 12 32.2   324 412

Heat Treatment of steel grade B275 GM51A

Heat treated : 1452°C - 1857°C

Technological Curves of steel grade B275 GM51A

Cross Reference Table (Equivalent Grade) of B275 GM51A

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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