Gold Member Since 2014
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Qingdao Helio Steel Co., Ltd.

Alloy Steel Company, 4140 Steel Bar, 4140 Steel manufacturer / supplier in China, offering Alloy4140 4130 4140 4340 Steel Bar Company, 20cr 40cr 40mn2 20crmnti Alloy Steel Round Bar, Carbon Steel Bars SAE1020 1045/ C45/ S45c/ 45# and so on.

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Alloy4140 4130 4140 4340 Steel Bar Company

Purchase Qty.:
(Tons)
20-99 100+
FOB Unit Price: US $450 US $550
Purchase Qty. (Tons) FOB Unit Price
20-99 US $450
100+ US $550
Get Latest Price
Port: Qingdao, China
Production Capacity: 50000 Metric Tons Per Month
Payment Terms: L/C, T/T, D/P, payment against BL copy

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Basic Info
  • Model NO.: AISI4140 4130 4140 4340
  • Standard: AISI, ASTM, GB, JIS, DIN, BS
  • Application: Structural Steel Bar
  • Alloy: Non-alloy
  • Process: Hot Rolled
  • Dimensions: 10-330mm
  • Brand: Helio Steel
  • Surface: Black or as Requirement
  • Trademark: Qingdao Helio Steel Co., Ltd
  • Specification: diameter: 10-320mm
  • HS Code: 72169900
  • Type: Alloy Steel Bar
  • Technique: Hot Rolled
  • Surface Treatment: Black or as Requirement
  • Special Use: Mold Steel
  • Grade: AISI4140 4130 4140 4340
  • Length: 6000-12000mm or as Requirement
  • Place of Origin: Shandong, China
  • Packaging: in Bundle
  • Transport Package: in Bundle
  • Origin: Shandong, China(Mainland)
Product Description
Alloy4140 4130 4140 4340  Steel  Bar Company 

Specifications
Carbon steel 4140 4130 4340

1. Grade: 4140 4130 4340
2. Dia: 20-320mm
3. Hot rolled, Forged.black surface
4. MOQ: 20mt


Carbon steel 
2. Specification: 20-320mm
3. Supply condition: Hot-rolled steel, Annealed steel, Bright steel.Forged steel
4. Processing: Hot working
5. Size Tolerance:
Length tolerance: +100mm/-0mm
Side length tolerance: +/-2mm
Straightness: Max 6mm/m
6. Quality Contation
Both end of each bar must be cut.
Ladle furnanced and vacuum de-gassed
Show heat No. On each bar
Surface condition the surface of the hot rolled square bar shall befree cracks, scar and wrinkles that affect the use of the billets. In case there is the above-mentioned defect, it shall be remove.
The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition shall be within the limit stipulated in the contract.
Alloy4140 4130 4140 4340 Steel Bar Company

SAE4140 4130 4340 Chemical Composition
GradeCSiMnPSCrMo
4140/42CrMo/SCM4400.38-0.450.17
0.37
0.50
0.80
Max
0.035
Max
0.035
0.90-1.200.15-0.25
4130/30CrMo/SCM430/34CrMo40.26-0.340.17-0.370.40-0.70Max0.035Max0.0350.80-1.100.15-0.25
4340/40CrNiMoA/SNCM4390.37-0.440.17-0.370.50-0.80Max0.035Max0.0350.60-0.900.15-0.25



We can also supply you the Cold Drawn Steel Bar with all shape.pls check.
Alloy4140 4130 4140 4340 Steel Bar Company



The other major mateirals we supply:
GBJISAISI/SAE/ASTMDIN
Q235SS400/SS41A36S235JR/ST37-2
20#S20C1020C22
35#S35C1035C35
45#S45C1045C45
55#S55C1055C55
40CrSCr440514041Cr4
20CrMoSCM420412025CrMo4
30CrMoSCM430413025CrMo4
35CrMoSCM435413534CrMo4
42CrMoSCM440414042CrMo4
50CrMo----4150----
20CrNiMo----862021NiCrMo2
40CrNiMo----4340----
55CrMn-60CrMnSUP6-SUP9516055Cr3
GCr15SUJ2-SUJ552100100Cr6

If you have any questions,pls feel free to contact us as bellows:
Contact PersonCaroline Wang
MP+86 18963469093
TEL+86 0634-5648998
  
  

 
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