China 5CR4mo3SimnvAL

5Cr4Mo3SiMnVAl 5Cr4Mo3SiMnVAl the steel is a steel substrate type dual-use tool and die steel hot and cold, as cold-working die steel, tool steel with carbon, low alloy tool steel and Cr12 steel, compared with a high toughness; as hot work tool steel, compared with 3Cr2W8V steel with high temperature strength and relatively good thermal fatigue performance.

5Cr4Mo3SiMnVAl the chemical composition of steel　　

C Cr Mo V Si Mn Al

0.47～0.57 3.80～4.30 2.80～3.40 0.80～1.20 0.80～1.10 0.80～1.10 0.30～0.70

5Cr4Mo3SiMnVAl physical properties of steel　　

Critical point Ac1 Ac3 Ms Freezing point

Temperature (approximate) / ℃ 837 902 277 1460

Temperature / ℃ 20～200 20～300 20～400 20～500 20～600 20～700

Line (swelling) expansion
Factor / ℃ 11.02×10 11.21×10 12.38×10 13.00×10 12.43× 10 12.21×10

5Cr4Mo3SiMnVAl thermal processing of steel　　

Heating temperature / ℃	Before forging temperature / ℃	Final forging temperature / ℃	Cooling
1100～1140	1050～1080	≥850	Slow cooling (cold sand or pit）

C	Cr	Mo	V	Si	Mn	Al
0.47～0.57	3.80～4.30	2.80～3.40	0.80～1.20	0.80～1.10	0.80～1.10	0.30～0.70

Critical point	Ac1	Ac3	Ms	Freezing point
Temperature (approximate) / ℃	837	902	277	1460

Temperature / ℃	20～200	20～300	20～400	20～500	20～600	20～700
Line (swelling) expansion Factor / ℃	11.02×10	11.21×10	12.38×10	13.00×10	12.43× 10	12.21×10

5Cr4Mo3SiMnVAl the chemical composition of steel C Cr Mo V Si Mn Al 0.47～0.57 3.80～4.30 2.80～3.40 0.80～1.20 0.80～1.10 0.80～1.10 0.30～0.70

5Cr4Mo3SiMnVAl the chemical composition of steel　　

C Cr Mo V Si Mn Al

0.47～0.57 3.80～4.30 2.80～3.40 0.80～1.20 0.80～1.10 0.80～1.10 0.30～0.70