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1.7258

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Germany DIN 1.7258 Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.7258 / 1.7258
Category Grade Standard Region/Area Standard Content
Metals 1.7258 DIN 17240 Germany Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications

Chemical composition(mass fraction)(wt.%) of the 1.7258

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0350 -
P - 0.0300 -
Mo 0.2000 0.3500 -
Mn 0.5000 0.8000 -
Cr 0.9000 1.2000 -
C 0.2000 0.2800 -

Mechanical Properties of steel grade 1.7258

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)
616 (≥) 916 (≥) 31 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade 1.7258

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 - -     0.41 -  
493 463 - 32.3 224   -  
132 - 11 41.2   324 123

Heat Treatment of steel grade 1.7258

Heat treated : 1797°C - 1219°C

Technological Curves of steel grade 1.7258

Cross Reference Table (Equivalent Grade) of 1.7258

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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