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GS-25 CrNiMo 4

Favorite Datasheet

Germany SEW GS-25CrNiMo4 Heat treatable steel casting for forgings with wall thicknesses of more than 100 mm and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GS-25CrNiMo4 / GS-25 CrNiMo 4
Category Grade Standard Region/Area Standard Content
Metals GS-25 CrNiMo 4 SEW 515 Germany Heat treatable steel casting for forgings with wall thicknesses of more than 100 mm

Chemical composition(mass fraction)(wt.%) of the GS-25 CrNiMo 4

Element Min Max Similar
Si 0.3000 0.6000 -
S - 0.0250 -
P - 0.0250 -
Ni 0.8000 1.2000 -
Mo 0.2000 0.3000 -
Mn 0.6000 1.0000 -
Cr 0.8000 1.2000 -
C 0.2200 0.2900 -

Mechanical Properties of steel grade GS-25 CrNiMo 4

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)
316 (≥) 425 (≥) 33 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade GS-25 CrNiMo 4

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
11 - -     0.42 -  
719 341 - 24.3 222   -  
724 - 12 42.2   414 424

Heat Treatment of steel grade GS-25 CrNiMo 4

Heat treated : 1225°C - 1556°C

Technological Curves of steel grade GS-25 CrNiMo 4

Cross Reference Table (Equivalent Grade) of GS-25 CrNiMo 4

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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