Guangzhou Changfeng Steel Co., LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 1000MT/M |
| Delivery Time | 15-20days |
| Packaging Details | Bundles/wooden case |
| Steel | Alloy |
| Shape Option | Flat Bar/Round Bar |
| Delivery Condition | Black Surface/Machined/Peeled/Polished/Bright |
| Application | make vane, shaft, bolt of large steamer |
| Brand Name | BAO STEEL |
| Model Number | 40CrNiMo/1.6511 /SAE4340/SNCM439/EN24 |
| Certification | ISO/TUV |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1000MT/M |
| Delivery Time | 15-20days | Packaging Details | Bundles/wooden case |
| Steel | Alloy | Shape Option | Flat Bar/Round Bar |
| Delivery Condition | Black Surface/Machined/Peeled/Polished/Bright | Application | make vane, shaft, bolt of large steamer |
| Brand Name | BAO STEEL | Model Number | 40CrNiMo/1.6511 /SAE4340/SNCM439/EN24 |
| Certification | ISO/TUV | Place of Origin | China |
| High Light | alloy steel plate ，hot rolled steel plate | ||
1.6511 /SAE4340/SNCM439 Alloy Steel Round Steel for Mechanical
1.Equivalent grades:
| GB(China) | DIN(German) | AISI(USA) | JIS(Japan) |
| 40CrNiMo | 1.6511 | SAE4340 | SNCM439 |
2.Chemical composition(%)
| C | Si | Mn | S | P | Cr | Mo | Ni |
| 0.38~0.43 | 0.15~0.35 | 0.60~0.80 | ≤0.040 | ≤0.035 | 0.70~0.90 | 0.20~0.30 | 1.65~2.00 |
3.Available size(mm):
| Flat Bar Size(mm) | Round bar Size(mm) | |||
| Thickness | Width | Length | Diameter | Length |
| 10-700 | 155-2200 | 3000-6000 | 10-300 | 3000-6000 |
4.Features:
Excellent hardenability, high toughness and good heat-resistance and fatigue-resistance.
5.Heat treatment:
Quenching 850 degrees; coolant: oil;
tempering temperature of 600 degrees; coolant: water, oil;
Steel annealing or high temperature tempering supply state Brinell hardness GBW is less than or equal to 269.
6.Application:
Used as require good toughness, high strength, as well as the important conditioning of large size, heavy machinery such as high load of axial, turbine shaft, larger than 250 mm in diameter of helicopter rotor shaft, turbojet engine turbine shaft, blade, high load of transmission parts, fasteners of the crankshaft,gear, etc.
It can also be used for operating temperature over 400 ºC of rotor shaft and blade, etc. and after nitriding processing can also be used to make special performance requirements of the important parts, after low temperature tempering or can be used for ultra-high strength steel after thermal quenching.
7.Delivery time:
For abundant stock, 15-20 days.For customized products, 30-50 days.
8.Our service for you
Pre-sale service
9.Products pictures:
8.Factory pictures:
Company Details
Business Type:
Distributor/Wholesaler,Exporter,Trading Company
Year Established:
2012
Total Annual:
5000000-10000000
Employee Number:
100~120
Ecer Certification：
Active Member
Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China.With twenty years experience in special steel industry, our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Struct... Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China.With twenty years experience in special steel industry, our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Struct...
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