- Steel Round Bars[10]
- Stainless Steel Bars[5]
- Bearing Steel[1]
- Other Steel Products[1]
- Stainless Steel Flats[2]
- Flat Steel[6]
- Square Steel[7]
- Stainless Steel Pipes[1]
- Steel Pipes[8]
- Contact Person : Mr. ren kevin
- Company Name : Jiangyin Dongte Steel Trade Co., Ltd.
- Tel : 86-510-86965707
- Fax : 86-510-86965709
- Address : Jiangsu,jiangyin,215room 3rd block no.2 binjiang road lingang new town jiangyin city
- Country/Region : China
- Zip : 214433
steel sae 4140
1.better quality,Preshipment quality insepction 2.UT test standard,MTC send 3.Provide 3rd provide 3rd party inspections
Alloy Round Steel bar AISI 4140
Material: | Steel Round Bar AISI 4140 |
Process: | EAF + LF + VD + /Hot rolled or Forged + Heat Treatment (optional) |
Diameter: | 12mm-1200mm |
Length: | 3-12m |
Heat treatment: | Normalized / Annealed / Quenched / tempered |
Delivery condition: | Hot rolled or Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) |
Delivery time: | 45 days after advanced payment |
Payment: | T/T Or L/C |
Chemical composition (%)
Grade | C | Si | Mn | P≤ | S≤ | Cr | Mo | Ni≤ | Cu≤ |
SAE 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | 0.030 | 0.040 | 0.80-1.10 | 0.15-0.25 | 0.25 | 0.35 |
Application: Components of mediums & large cross section, requiring low tensile Strength, as well as heavy forging in the normalized condition for automatic engineering and gear & engine construction.
steel sae 4140
