SHANGHAI UNITE STEEL
| Payment Terms | L/C, T/T |
| 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. |
| Process | EAF+LF+VD+Forged+Heat Treatment(optional) |
| Test | Ultrasonic test according to SEP 1921-84 |
| Category | Alloy Steel round bar |
| Surface treatment | Machined Bright |
| Length | 1--12m |
| Certificate | ISO9001:2008 |
| Brand Name | UST |
| Model Number | DIA 80-1200mm |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | 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. |
| Process | EAF+LF+VD+Forged+Heat Treatment(optional) | Test | Ultrasonic test according to SEP 1921-84 |
| Category | Alloy Steel round bar | Surface treatment | Machined Bright |
| Length | 1--12m | Certificate | ISO9001:2008 |
| Brand Name | UST | Model Number | DIA 80-1200mm |
| Certification | ISO9001 | Place of Origin | China |
| High Light | Forged Round Bar ，Forged Steel Round Bars | ||
41Cr4 / 5140/40Cr round bar steel hot forged , forged steel bar, Small MOQ
1.Application:
Used to manufacture medium speed and medium load parts after quenched and tempered, such as gear, shaft, worm, spline shaft, centre sleeve, etc.
Used to manufacture high hardness surface and wear resistance parts after high frequency case hardening and tempered, such as gear, main shaft, bent axle, mandrel, sleeve, pin, connecting rod, screw, nut, etc.
Used to manufacture high load and medium speed impact parts after quendced and medium temperature tempered, such as pump rotor, slider block, main shaft, lantern ring, etc.
Used to manufacture high load, low speed impact and wear resistance parts after quenched and low temperature tempered, such as shaft, main shaft, worm, lantern ring, etc.
Used to manufacture big size and high low-temperature impact toughness driving parts after carbonitriding, such as shaft, gear, etc.
| Material: | 41Cr4 / 5140/40Cr round bar steel hot forged , forged steel bar, Small MOQ |
| Diameter: | 80mm-1200mm |
| Length: | 1000mm-12000mm Straightness: 3mm/M max |
| Process: | EAF + LF + VD + Forged + Heat Treatment (optional) |
| Delivery condition: | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) |
| Delivery Time: | 10-45 days |
| MOQ: | 2-3 tons |
| Heat treatment: | Normalized / Annealed / Quenched / tempered |
| Technical Data: | According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing |
| Test: | Ultrasonic test according to SEP 1921-84 G3 C/c |
| Marking: | Grade, heat NO. length will be stamped one each bar with required color |
| Payment: | 30% advance by TT; Balance pay before the shipment against shipping documents or irrevocable LC at sight |
| Application: | Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears. |
2, Chemical Composition
| C | Si | Mn | P | S | Cr |
| 0.38 - 0.45 | max 0.4 | 0.6 - 0.9 | max 0.035 | max 0.035 | 0.9 - 1.2 |
3,Properties:
| Nominal diameter (mm): | to 16 | 16 - 40 | 40 - 100 |
| Rm - Tensile strength (MPa) (+QT) | 1000-1200 | 900-1100 | 800-950 |
| Nominal thickness (mm): | to 8 | 8 - 20 | 20 - 50 |
| Rm - Tensile strength (MPa) (+QT) | 1000 | 900 | 800 |
| Nominal diameter(mm): or for flat products thickness: to 8; 8-20; 20-60; | to 16 | 16 - 40 | 40 - 100 |
| Re - Upper yield strength or Rp0.2 - 0.2% proof strength (MPa) (+QT) | 800 | 660 | 560 |
| Temperature ° C | +20 |
| KV - Impact energy (J) (+QT) | 30-35 |
| Temperature ° C | +20 |
| KV - Impact energy (J) transverse, (+QT) | 22 |
| Nominal thickness (mm): | to 16 | 16 - 40 | 40 - 100 |
| A - Min. elongation Lo = 5,65 √ So (%) (+QT), round products | 11 | 12 | 14 |
| Nominal diameter (mm): or for flat products thickness: to 8; 8-20; 20-60; | to 16 | 16 - 40 | 40 - 100 |
| Z - Reduction in cross section on fracture (%) (+QT) | 30 | 35 | 40 |
| Brinell hardness (HBW): (+S) | 255 |
| Brinell hardness (HBW): (+A) | 241 |
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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