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G-CoCr 28 Nb

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Germany SEW G-CoCr28Nb Heat-resisting cast steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G-CoCr28Nb / G-CoCr 28 Nb
Category Grade Standard Region/Area Standard Content
Metals G-CoCr 28 Nb SEW 471 Germany Heat-resisting cast steel

Chemical composition(mass fraction)(wt.%) of the G-CoCr 28 Nb

Element Min Max Similar

Mechanical Properties of steel grade G-CoCr 28 Nb

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)
729 (≥) 143 (≥) 31 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade G-CoCr 28 Nb

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
44 - -     0.23 -  
524 382 - 13.3 334   -  
784 - 22 13.2   224 323

Heat Treatment of steel grade G-CoCr 28 Nb

Heat treated : 1478°C - 1287°C

Technological Curves of steel grade G-CoCr 28 Nb

Cross Reference Table (Equivalent Grade) of G-CoCr 28 Nb

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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Jiangyou Longhai Special Steel Co.,Ltd.

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