SHANGHAI UNITE STEEL
| Delivery Time | Within 5-35 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. |
| Supply Ability | 1500tons/month |
| Usage | mechanical |
| Ultrasonic test | According to SEP 1921-84 |
| Shape | Round Section |
| Surface treatment | Machined /roungh turned/ black |
| Certificate | ISO9001:2008 |
| Forged ratio | no less than 3:1 |
| Brand Name | UST |
| Model Number | Dia: 80-1200mm |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Delivery Time | Within 5-35 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. |
| Supply Ability | 1500tons/month | Usage | mechanical |
| Ultrasonic test | According to SEP 1921-84 | Shape | Round Section |
| Surface treatment | Machined /roungh turned/ black | Certificate | ISO9001:2008 |
| Forged ratio | no less than 3:1 | Brand Name | UST |
| Model Number | Dia: 80-1200mm | Certification | ISO9001 |
| Place of Origin | China | ||
| High Light | Forged Round Bar ，Forged Steel Bars | ||
AISI4140/42CrMo4/SCM440/EN19 round steel bar hot forged, forged steel bar, Dia: 80-1200mm
1. Application:
Extrusion dies and die-casting for alumium,Mandgnesium allay mostly,for copper alloy could usemechaincal press forhing of steel,could use also various large-sized mirror plastic mould, precision plastic mould, like: cars accessies, home appliances, electronic equipment plastic mould
2.Equivalent Grades:
Grade: AISI 4140, DIN 1.7225/42CrMo4, JIS SCM440, GB 42CrMo
3.Size: dia 80-800mm length 2000-5800mm
4.Chemical composition:(%)
| C | Si | Mn | P | S | Cr | Ni | Mo |
| 0.42 | 0.30 | 0.60 | ≤0.025 | ≤0.025 | 1.00 | ≤ 0.25 | 0.20 |
5.Factory state: Hot rolled or forged. Annealed hardness≤229. Black surface.
6.Characteristic: This steel has good workability, machining deformation tiny anti-fatigue performance is quite good, is in hardenability steel. 4140 after heat treatment, good strength and good mechanical properties, good technology, and high-yield.
7.Application: Can also be used for the manufacturing requirements compared 35CrMo steel higher strength and a larger cross-section forgings quenched, such as the traction with a large gear, the transmission gears of the turbocharger, the rear axle, by the load greatly rod and colletbelow 2000m deep oil drill pipe joints and fishing tools, and can be used to mold bender.
8.Process flow: Electric arc furnace melting→Refining furnace → Vacuum treatment furnace → Cast ingot → Steel ingot anneal → Heating → High-speed forging,refining forging → Anneal,retarded cooling,air cooling → Quenching and tempering tretment → Finishing operation → Text → Finished products
9.MECANICAL PROPERTIES Heat Treated Condition
Yield strength ( Rp0.2): 930(max)
Tensile (Rm): 1088(max)
Elongation (A5) %: 13(min)
Charpy Impact J: 42(min)
Hardness HB:248 - 302 HB
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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