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1.2758

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Germany SE 1.2758 Materials for tubes and tools for the extrusion processing of copper and copper alloys and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.2758 / 1.2758
Category Grade Standard Region/Area Standard Content
Metals 1.2758 SE 201 Germany Materials for tubes and tools for the extrusion processing of copper and copper alloys

Chemical composition(mass fraction)(wt.%) of the 1.2758

Element Min Max Similar
W 12.0000 13.0000 -
V 1.0000 1.2000 -
Si 1.3000 1.5000 -
S - 0.0250 -
P - 0.0250 -
Ni 11.0000 12.0000 -
Mo 0.6000 0.8000 -
Mn 0.5000 0.7000 -
Cr 3.8000 4.2000 -
Co 1.5000 1.8000 -
C 0.4800 0.5300 -

Mechanical Properties of steel grade 1.2758

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)
745 (≥) 633 (≥) 14 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade 1.2758

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 - -     0.11 -  
875 895 - 23.3 141   -  
314 - 11 22.2   212 234

Heat Treatment of steel grade 1.2758

Heat treated : 1272°C - 1633°C

Technological Curves of steel grade 1.2758

Cross Reference Table (Equivalent Grade) of 1.2758

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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