SHANGHAI UNITE STEEL
| Supply Ability | 1500 ton/month |
| Delivery Time | Within 10-45 days |
| Packaging Details | Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips. |
| Usage | mechanical |
| Quality Standard | ASTM A29 |
| Surface condition | Black or bright |
| Heat treatment | Annealed/Normalized/Q+T |
| Inspection | the third party is acceptable |
| Length | as customers requirements |
| Certificate | ISO9001-2008 |
| Brand Name | UST |
| Model Number | Dia: 80-1200mm |
| Certification | ISO 9001 |
| Place of Origin | China |
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Product Specification
| Supply Ability | 1500 ton/month | Delivery Time | Within 10-45 days |
| Packaging Details | Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips. | Usage | mechanical |
| Quality Standard | ASTM A29 | Surface condition | Black or bright |
| Heat treatment | Annealed/Normalized/Q+T | Inspection | the third party is acceptable |
| Length | as customers requirements | Certificate | ISO9001-2008 |
| Brand Name | UST | Model Number | Dia: 80-1200mm |
| Certification | ISO 9001 | Place of Origin | China |
| High Light | Forged Steel Round Bars ，Forged Steel Bars | ||
SAE4340 Forged alloy steel, Forged steel bar, DIA 80-1200mm
Application
Components for the aircraft, automotive and general engineering industries eg. Propeller shafts, connecting rods, gear shafts, and other automobile parts. Heavy forgings, eg. Rotors, shafts, discs.
Equivalent Grades:
| SAE | 4340 | JIS | SNCM439 |
| Greman W.Stoff No. | 1.6582 | GB | 40CrNiMoA |
| BS | 816M40 | EN | 24 |
Chemical composition:
| C | Si | Mn | P | S | Cr | Ni | Mo |
0.38-0.43 | 0.15-0.35 | 0.60-0.80 | 0.035 max | 0.040 max | 0.7-0.9 | 1.65-2.0 | 0.2-0.3 |
Mechanical Properties:
| Tensile strength | Yield strength | Elongation rate | Contractibility rate | Impact Energy | Hardness (HBS100/3000) |
| ≥980MPa | ≥835MPa | ≥12% | ≥55% | ≥78J | ≤269 |
SPECIFICATION OF ALLOY STEEL AISI4340 ROUND BARS:
| Diameter: | 80mm-1200mm (optional) |
| Length: | 1000mm-12000mm Straightness: 3mm/M max(optional) |
| Process: | Forged from vacuum degassed ingots. |
| Delivery condition: | Hot forged Rough machined (black surface after Q/T) Turned (optional) |
| Delivery Time: | 10-40 days |
| Heat treatment: | Normalized / Annealed / Quenched / tempered (optional) |
| Technical Data: | According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing |
| Test: | Ultrasonic test according to SEP 1921-84 Class C/c and D/d (optional) |
| Marking: | Grade, heat NO. length will be stamped one each bar with required color |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
10000000-25000000
Employee Number:
50~110
Ecer Certification：
Active Member
We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national... We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national...
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