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By certification 
Dingxin Steel Tube is specialized in manufacturing alloy steels such as 20CrMo 30CrMo 35CrMo 42CrMo for around 20 years and conduct heat treatment in-house. We control the quality from the sourcing of raw material from top quality mills to final delivery, thus the quality can be fully guaranteed. Dingxin has around 20 years experience in manufacturing seamless tube 30CrMo and 40CrMo.
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Product name |
20CrMo 30CrMo 35CrMo 42CrMo alloy structure steel for automotive parts |
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Standard |
GB/T 3077 Alloy structure steels |
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Material |
20CrMo 30CrMo 35CrMo 42CrMo |
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Dimension |
OD: 16-245mm, WT1-32mm, Length: 3-6m |
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Delivery condition |
Quenched and tempered, Stress relieved |
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Certificate |
ISO 9001, IATF 16949 |
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Applications |
Automotive industry, such as rotor shaft |
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Packaging |
Long pipe: hexagonal bundles with steel-hooped Short cut pipes: wooden box or metal frame |
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Steel Grade |
C |
Si |
Mn |
Cr |
Mo |
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20CrMo |
0.17-0.24 |
0.17-0.37 |
0.40-0.70 |
0.70-1.00 |
0.15~0.25 |
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30CrMo |
0.26-0.33 |
0.17-0.37 |
0.40-0.70 |
0.80-1.10 |
0.15-0.25 |
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35CrMo |
0.32-0.40 |
0.17-0.37 |
0.40-0.70 |
0.80-1.10 |
0.15-0.25 |
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42CrMo |
0.38-0.45 |
0.17-0.37 |
0.50-0.80 |
0.90-1.20 |
0.15-0.25 |
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Material |
Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation (%) |
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No less than |
|||
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20CrMo |
885 |
685 |
12 |
|
30CrMo |
930 |
735 |
12 |
|
35CrMo |
980 |
835 |
12 |
|
42CrMo |
1080 |
930 |
12 |
1. Q: Are you a trading company or manufacturer?
A: Dingxin is a profession steel tube manufacturer in Jiaxing City, Zhejiang Province, certificated with ISO 9001 and IATF 16949.
2. Q: What is your MOQ?
A: It depends on sizes, steel grade and processing. Normally, our MOQ is 3 to 5 tons per single size.
3. Q: How do you control quality?
A: Quality control is strictly conducted in every aspect of the production phase, from the sourcing of raw material to delivery. The tubes go through 20+ QC process and 50+ parameters.
4. Q: What is your terms of payment?
A: T/T or LC at sight.
http://www.dingxinsteeltube.com/
