Shanghai Bozhong Metal Group Co., Ltd.
To sell metal from the world while the world buy metal from Bozhong
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| Grade | BS | ASTM/ASME | UNS | EN |
| GR.11 | 621B | A387 / SA 387 | K11789 | - |
| GR.12 | 620B | A387 / SA 387 | K11757 | 3 CRMO 45 |
| GR.22 | 622-515B | A387 / SA 387 | K21590 | 10 CRMO 910 |
| Grade | C | Mn | P | S | Si | Cr | Mo |
| SA387 Gr 11 | 0.05 - 0.17 | 0.40 - 0.65 | 0.025 | 0.025 | 0.50 - 0.80 | 1.00 - 1.50 | 0.45 - 0.65 |
| SA387 Gr 12 | 0.04 - 0.17 | 0.35 - 0.73 | 0.035 | 0.035 | 0.13 - 0.45 | 0.74 - 1.21 | 0.4 - 0.65 |
| SA387 Gr 22 | 0.04 - 0.15 | 0.25 - 0.66 | 0.035 | 0.035 | 0.5 max | 1.88 - 2.62 | 0.85 - 1.15 |
| Grade | Tensile Strength | Yield Strength | Elongationin 200mm (%) | Elongation in 50mm (%) |
| A387 Gr 11 | 70-90 ksi, 485-620 MPa | 45 Ksi, 310 MPa | 18 | 22 |
| A387 Gr 12 | 65-85 ksi, 450-585 MPa | 40 Ksi, 275 MPa | 19 | 22 |
| A387 Gr 12 | 75-100 ksi, 515-690 MPa | 45 Ksi, 310 MPa | 18 | 45 |
Our Service For You
Pre-sale Service
1. Sample can be offered with sample charge and courier fee by buyer's side.
2. We have full stock,and can deliver within short time.Many styles for your choices.
3. OEM and ODM order are accepted, Any kind of logo printing or design are available.
4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you
5. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
6. We have 8 year experience of design, manufacture and sell lingerie, we cherish every order from our honor.
After you choose
1. We will count cheapest shipping cost and make invoice to you at once.
2. Check quality again, then send out to you at 1-2 working day after your payment,
3. Email you the tracking no, and help to chase the parcels until it arrive you.
After-sale choose
1. We are very glad that customer give us some suggestion for price and products.
2. If any question,please contact with us freely by E-mail or Telephone.
FAQ:
Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price.
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.
Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material don't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.
Q: What is the payment term?
A: T/T or L/C.
Q: Can you provide a sample for our testing before confirm the order?
A: Yes. We can provide sample to you for approval before you place an order to us. Free sample is available if we have stock.
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.