31crmov9 Material 31crmov9 Equivalent Level 31crmov9 Alloy 31crmov9+Qt 31crmov9 Chemistry 31crmov9 Mechanics

• Processing Object: Metal
• Molding Style: Forging
• Molding Technics: Pressure Casting
• Application: Electronic Accessories
• Material: Steel
• Heat Treatment: Annealing
• Model NO.: 31crmov9 material 31crmov9 equivalent level 31cr
• Surface Treatment: Polishing
• Forging Tolerance: +/-0.5mm
• Standard: AISI
• Certification: ISO 9001:2000
• Transport Package: Wooden Box
• Specification: din 10- 5000
• Trademark: taixie
• Origin: China
• HS Code: 2501001100
• Production Capacity: 50000kgs

Product Description

31crmov9 material

31crmov9 equivalent level

31crmov9 alloy

31crmov9+qt

31crmov9 Chemistry

31crmov9 Mechanics
 

31CrMOV9 alloy structural steel

 

EN 10085 1.8519

 

Chemical composition of 31CrMOV9:

 

C:0.27~0.34

 

Silicon Si:≤0.40

 

Manganese Mn: 0.40-0.70

 

Sulfur S:≤0.035

 

P:≤0.025

 

Cr:2.30~2.70

 

Molybdenum Mo:0.15~0.25

 

V:0.10~0.20

 

31CrMOV9 delivery hardness: 245~255 HB.

 

Ms: 360ºC

 

AC1:775ºC

 

AC3:835ºC Quenching in water at the temperature of 840ºC-870ºC.

 

Quench in oil at 850ºC-880ºC temperature.

 

Tempering is carried out at a temperature of 540 ° C to 680 ° C and cooled in air.

 

Forging temperature: 1100ºC-850ºC.