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SAE4340 1.6511 SNCM439 40CrNiMo Mechanical Alloy Steel
Main Products: SAE4340, 1.6511, SNCM439, 40CrNiMo.
| SAE4340 1.6511 SNCM439 40CrNiMo Supply Situation | ||
| Flat Bar / Plates | Round bar | |
| Thickness/ Dia | 10-300mm | 16 -450mm |
| Surface | Black Surface | Black Surface/ Turned Surface |
| Delivery Condition | Hot Rolled / Hot Forged ; Annealed / Q+T ; Two cutting side / Four Cutting Side | Hot Rolled / Hot Forged ; Annealed / Q+T ; |
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SAE4340 1.6511 SNCM439 40CrNiMo Mechanical Alloy Steel
SAE4340 1.6511 SNCM439 40CrNiMo alloy steel is mainly used to make high-strength parts, such as aircraft engine shafts, shafts, gears, fasteners, etc.
SAE4340 1.6511 SNCM439 40CrNiMo alloy steel has high hardenability and is suitable for various high-strength and high-wear-resistant applications.
SAE4340 International Standard:
| GB | JIS | AISI | DIN | BS |
| 40CrNiMo | SNCM439 | SAE4340 | 1.6511 | EN24 |
SAE4340 Chemical composition(%)
| C | Si | Mn | Cr | Mo | P | S | Cu | Ni |
| 0.37-0.45 | 0.17-0.37 | 0.50-0.80 | 0.60-0.90 | 0.15-0.25 | ≤0.035 | ≤0.035 | ≤0.30 | 1.25-1.65 |
SAE4340Available Size(mm) :
| Plate Size(mm) | Flat Bar Size(mm) | Round Bar Size(mm) | |||||
| Thickness | Width | Length | Thickness | Width | Length | Diameter | Length |
| 10-300 | 2000-2300 | 5800-6000 | 10-300 | 210-1300 | 2000-2300 | 16-450 | 3000-6000 |
SAE4340 Delivery Condition:
Black Surface
Hot Rolled / Forged ; Q+T ; Two cutting side / Four Cutting Side
SAE4340 Delivery Time:
The stock SAE4340 sizes will be delivered within 10-15 days.
The customized, will be about 30-35 days.