
AISI 4340 EN24 DIN1.6511 40CrNiMo Alloy Steel Round Bar
Guangzhou Changfeng Steel Co., Ltd.- Special Use:High-strength Steel Plate, Wear Resistant Steel, Free Cutting Steel, Mold Steel
- Alloy:Alloy
- Surface:Black
- Application:Tool Steel Bar
- Standard:DIN, JIS, AISI, GB
- Technics:Hot Rolled
Base Info
- Trademark:customized
- Specification:standard,customized
- Transport Package:Standard,Customized
- Condition:ready stock
- Lead time:7days
- Payment term:TT,LC
- Delivery condition:Hot Rolled, black surface
- Quality Assurance:100% UT passed
- Model NO.:SAE4340,1.6511,EN24,40CrNiMo,SNCM439
- Origin:China
- HS Code:7225400000
- Production Capacity:1000t,Month
Description
TemperingHeating Temperature/ºC Cooling Hardness/HRC Heating Temperature/ºC Cooling Hardness/HRC 820-840 Oil ≥53 450-650 Air 25-40
6. Mechanical Properties
7. Applications
6. Mechanical Properties
Tensile strength (psi) | 105,000 - 115,000 |
Yield strength (psi) | 75,000 - 85,000 |
Elongation in 2" (%) | 20 - 30 |
Reduction of area (%) | 35 - 45 |
Brinell Hardness (BHN) | 210 - 240 |
7. Applications
- Aircraft Landing Gear
- Power Transmission Gears
- Structural Use Applications
8. Typical Applications:
- High strength shafts
- Punches & dies
- Drill bushings
- Retaining rings
- Gears