DIN 17205 GS-25CrNiMo4 Special Cr-Ni-Mo Alloy- SCALE STEEL.

GS-25CrNiMo4 alloy is one kind of special Cr-Ni-Mo Alloy which is suitable used under the environment with temperature up to 300℃[SCALE STEEL].
 
Chemical Composition for GS-25CrNiMo4 Alloy:
 
C(％):0.22-0.29
Si(％):0.30-0.60
Mn(％):0.60-1.00
P(％):Max 0.025
S(％):Max 0.025
Cr(％):0.80-1.20
Ni(％):0.80-1.20 [SCALE STEEL]
Mo(％):0.20-0.30
 
Mechanical Property for GS-25CrNiMo4 Alloy:
 
Proof Strength Rp0.2(MPa):350-400
Tensile Strength Rm(MPa):650-850
Impact Energy KV(J):24
Elongation at Fracture A(%):21
Reduction in Cross [SCALE STEEL]section on Fracture Z(%):43
As-Heat-Treated Conditions:Solution and Aging,Annealing,Ausaging,Q+T,etc
Brinell Hardness(HBW):442
 
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