
Standard | C(%) | Mn(%) | S(%) | P(%) | Si(%) |
Q195 | ≤0.12 | ≤0.50 | ≤0.040 | ≤0.035 | ≤0.30 |
Q235 | ≤0.20 | ≤1.40 | ≤0.045 | ≤0.045 | ≤0.35 |
Q275 | ≤0.22 | ≤1.50 | ≤0.045 | ≤0.045 | ≤0.35 |
20MnSi | 0.17-0.25 | 1.2-1.6 | ≤ 0.050 | ≤ 0.050 | 0.40-0.80 |
3SP | 0.14-0.22 | 0.40-0.85 | ≤ 0.050 | ≤ 0.040 | 0.05-0.15 |
5SP | 0.28-0.37 | 0.50-1.00 | ≤ 0.050 | ≤ 0.040 | 0.15-0.30 |




















1.Q: Why choose us?
2.Q: Can provide OEM/ODM service?
A: Yes. Please feel free to contact us for more details discuss.
3.Q: How is your Payment Term?
A: Our usual payment methods are T/T, L/C, D/A, D/P, Western Union, MoneyGram, payment methods can be negotiated and customized with customers.
4.Q: Do you accept the third party inspection?
A: Yes absolutely we accept.
5.Q: How could you guarantee your products?
A: Each piece of products is manufactured by certified workshops, inspected by piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.
6.Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
7.Q: Can you provide sample?
A: Yes, for regular sizes sample is free but buyer need to pay freight cost.
8.Q:How can I get a quotation from you?
A:You can leave us message, and we will reply every message in time. Or we may talk on line by Trademanager. And you can also find our contact information on contact page.