JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
| Payment Terms | T/T or L/C |
| Supply Ability | 5000 Tons every month |
| Delivery Time | 7 days |
| Packaging Details | Export packing |
| name | steel round bar |
| Dia | 20-520mm |
| length | 6-11m |
| type | hot rolled / Forged |
| Alloy or not | Non-alloy |
| Technique | Hot Rolled,Forged |
| Type | Alloy Steel Bar |
| Standard | ASTM,DIN,AISI |
| Shape | Round |
| Length | 1--12m |
| Surface | mill finish or peeled finish |
| Delivery condition | annealed |
| Heat treatment | Normalized +Annealed +Quenched + Tempered |
| Brand Name | TISCO,BAO STEEL |
| Model Number | 40Cr / 5140 / SCr440 / 41Cr4 |
| Certification | SGS,ISO |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T or L/C | Supply Ability | 5000 Tons every month |
| Delivery Time | 7 days | Packaging Details | Export packing |
| name | steel round bar | Dia | 20-520mm |
| length | 6-11m | type | hot rolled / Forged |
| Alloy or not | Non-alloy | Technique | Hot Rolled,Forged |
| Type | Alloy Steel Bar | Standard | ASTM,DIN,AISI |
| Shape | Round | Length | 1--12m |
| Surface | mill finish or peeled finish | Delivery condition | annealed |
| Heat treatment | Normalized +Annealed +Quenched + Tempered | Brand Name | TISCO,BAO STEEL |
| Model Number | 40Cr / 5140 / SCr440 / 41Cr4 | Certification | SGS,ISO |
| Place of Origin | CHINA | ||
| High Light | od 430mm forged round bar ，5140 forged round bar ，aisi 5140 round bar | ||
AISI 5140 JIS SCr440 / 40Cr Forged Steel Round Rod Hot Rolled OD 430mm Steel Bar
40Cr steel round bar
1.Steel grade:
GB:40Cr AISI:5140 JIS:SCr440 DIN:1.7035
2.Chemical composition(%):
| C | Si | Mn | Cr | P | S |
| 0.37-0.44 | 0.17-0.37 | 0.5-0.8 | 0.8-1.1 | ≤0.03 | ≤0.03 |
3.Size:
Round dia:50-350mm length: 6-11m
4.Deliver condition: forged+black surface+Peeled
5.Test:Ultrasonic test according to SEP 1921
6.Application:
Mainly used to make various alloy structural parts and components, such as station boiler superheater collector, large-diameter pipe plate structure, various shaft,gear,gear ro
7.The advantage of us
* Fast response in reply
* Good communication sales with reasonable price.
* Good quality materials.
* Mix order in small quantities and large order is acceptable
* Fast lead time.
* Rich experience in export business.
* Well after sales service.
* Flexible policy.
8.packing
1.Big outer diameter: in bulk
2.Small outer diameter: packed by steel strips
3.woven cloth with 7 slats
4.according to the requirements of customers
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,Seller
Year Established:
1998
Total Annual:
80Millen-100 Millen
Employee Number:
200~500
Ecer Certification：
Verified Supplier
Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta... Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta...
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