- Steel Round Bars[9]
- Steel Sheets[10]
- Flat Steel[2]
- Steel Angles[10]
- Steel H-Beams[1]
- Metal Processing Machinery Parts[8]
- Other Steel Products[1]
- Contact Person : Mr. Feng Kevin
- Company Name : Henan Longpeng Marine Metal Materials Co., Ltd.
- Tel : 86-0371-60150612
- Fax : 86-0371-60150607
- Address : Henan,Zhengzhou,East Room, 17/F, Unit 1, Building 49, Jinse Gangwan Mansion, Yard 1, Gangwan Rd., Guancheng District, Zhengzhou, Henan, China (Mainland)
- Country/Region : China
- Zip : 45000
forged alloy steel round bars 4130
Steel Round Bar 4140 1.Dia 80mm to 800mm 2.Technique:Forged 3.Peeling or Q+T as required 4.Delivery: about 30 days
1.Alloy steel round bar AISI4140 2.Process:EAF+LF+VD 3.Certificate: CCS, GL, RS,BV,ISO9001 4.Dia:100mm-1200mm 5.Length:3-12m
Alloy Round Steel Bar AISI 4140
Material: | Steel Round Bar AISI 4140 |
Process: | EAF + LF + VD + Forged + Heat Treatment (optional) |
Diameter: | 100mm-1200mm |
Length: | 3000mm-12000mm Straightness: 3mm/M max |
Heat treatment: | Normalized / Annealed / Quenched / tempered |
Delivery condition: | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) |
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 |
Delivery time: | 60 days after advanced payment |
Payment: | 30% advance by T\T; Balance pay before the shipment against shipping documents or irrevocable LC at sight |
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 |
forged alloy steel round bars 4130
