Gnee Steel (tianjin) Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 2500 ton/tons per month |
| Delivery Time | 5-8 work days |
| Packaging Details | Standard Sea-worthy Packing |
| Tolerance | ±1% |
| Processing Service | Bending, Welding, Decoiling, Punching, Cutting |
| Grade | 4340 |
| Brand | GNEE |
| Thickness | 1-100MM |
| Length | 12M, 6m, 6.4M, 3-12m |
| Brand Name | GNEE |
| Model Number | Alloy Steel Round Bar |
| Certification | ISO 9001 |
| Place of Origin | Henan |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 2500 ton/tons per month |
| Delivery Time | 5-8 work days | Packaging Details | Standard Sea-worthy Packing |
| Tolerance | ±1% | Processing Service | Bending, Welding, Decoiling, Punching, Cutting |
| Grade | 4340 | Brand | GNEE |
| Thickness | 1-100MM | Length | 12M, 6m, 6.4M, 3-12m |
| Brand Name | GNEE | Model Number | Alloy Steel Round Bar |
| Certification | ISO 9001 | Place of Origin | Henan |
| High Light | 4130 Grade Alloy Steel Round Bar ，100MM Alloy Steel Round Bar | ||
4340 Alloy Steel Round Bar High Pressure Steel Pipe For Producing
4340 alloy steel is a high quality Quenched and Tempered Alloy Structural steel, It belong to the high quality medium carbon, Oil Quenched & Tempered Hardenss is 28-34 HRc.4340 Annealing delivery hardenss less than 250HB.
Regular size and Tolerance
| 1) Hot Rolled round bar | |||
| Diameter (mm) | Diameter Tolerance (mm) | Diameter (mm) | Diameter Tolerance (mm) |
| ≤12.70 | -0.13 ～0.30 | >50.80～63.5 | -0.25～0.76 |
| 12.7～25.40 | -0.13～0.41 | >63.50～76.20 | -0.25～1.02 |
| >25.4～38.10 | -0.15～0.51 | >76.20～101.60 | -0.30～+1.27 |
| >38.1～50.80 | -0.20～0.64 | >101.60～203.20 | -0.38～3.81 |
| 2) Hot Rolled steel plate | |||
| Thickness (mm) | Thickness Tolerance (mm) | Thickness (mm) | Thickness Tolerance (mm) |
| ≤25.4 | -0.41～0.79 | >127～152 | -1.60～2.39 |
| >25.4～76 | -0.79～1.19 | >178～254 | -1.98～3.18 |
| >76～127 | -1.19～1.60 | >254～305 | -2.39～3.96 |
Forming
AISI 4340 alloy steel has good ductility and formability in the annealed condition. It can be bent or formed by pressing or spinning in the annealed state.
Welding
AISI 4340 alloy steel can be welded using fusion or resistance welding methods. Preheat and post heat weld procedures are followed while welding this steel by established methods.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2008
Total Annual:
3000000-3500000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Gnee Steel Co.,Ltd (GNEE) is the affiliated company for ANGANG GROUP who are one large state-owned iron and steel group located in Henan, China. GNEE are specialized in manufacturing and supplying large quantities Seamless steel pipes and Shipping-building plates, We are provide high qu... Gnee Steel Co.,Ltd (GNEE) is the affiliated company for ANGANG GROUP who are one large state-owned iron and steel group located in Henan, China. GNEE are specialized in manufacturing and supplying large quantities Seamless steel pipes and Shipping-building plates, We are provide high qu...
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