4 5 6 8 304 Grade Stainless Steel Pipe Ss Square Tube
1.Astm Aisi Stainless Steel Pipe Square Pipe No.4 Finish Seamless
Surviving on quality, developing on benefits, serving customers with honesty and trustworthiness" is our motto. We are looking forward toestablishing long-term and win-win relationship.
We′re pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.
| Name | stainless steel pipe |
| Standard | ASTM, JIS, DIN, EN, AISI, GOST, GB |
| Material Grade | TP304 TP304L TP316 TP316L TP347 TP347H TP321 TP310 TP310 STP410 TP410S TP403 |
| S31803/S32205 S32750 S32760 | |
| Outer Diameter | Seamless Pipe: 6mm-812mm |
| Welded Pipe: 8mm-3000mm | |
| Thickness | Seamless Pipe: 1mm - 60mm |
| Welded Pipe: 0.5mm - 45mm | |
| Length | 5.8 - 7 m or as customers' request |
| Tolerance | According to the Standard. |
| Surface | annealed, pickled & annealed, polished , bright, matt |
| Test | UT, ET, HT or as the requests of the customers |
| Certificate | ISO9001-2015 ,ASME, PED , TC |
| Delivery Time | 7-30 Days, Depends on quantity |
2.chemical composition
| Chemical Composition of Material | Material Composition |
201 | 202 | 304 | 316L | 430 |
| C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.035 | ≤0.12 | |
| Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | |
| Mn | 5.5-7.5 | 7.5-10 | ≤2.00 | ≤2.00 | ≤1.00 | |
| P | ≤0.06 | ≤0.06 | ≤0.045 | ≤0.045 | ≤0.040 | |
| S | ≤0.03 | ≤0.03 | ≤0.030 | ≤0.030 | ≤0.030 | |
| Cr | 13-15 | 14-17 | 18-20 | 16-18 | 16-18 | |
| Ni | 0.7-1.1 | 3.5-4.5 | 8-10.5 | 10-14 | ||
| Mo | 2.0-3.0 |
3.package and delivery
4.mechanical property
| Mechanical Property | Material Item | 201 | 202 | 304 | 316 | |
| Tensile Strength | ≥535 | ≥520 | ≥520 | ≥520 | ||
| Yield Strength | ≥245 | ≥205 | ≥205 | ≥205 | ||
| Extension | ≥30% | ≥30% | ≥35% | ≥35% | ||
| Hardness (HV) | <105 | <100 | <90 | <90 | ||
5.FAQ
Q: What kind of work does your company do?
A: Our company is a professional manufacturer.We mainly produces stainless steel sheet, stainless steel coil, stainless steel pipe, stainless steel bars and so on.
Q: How can you assure your quality?
1.We can provide you certificate of quality accordingly.
2.We are willing to accept the third party inspection, such as SGS,BV,CE and so on.
Q: Can you accept customization?
Yes. If you have special requirements on products or packages, we can do customization for you.
Q: Can you accept trail orders?
Gemerally our MOQ is 1 ton. But if you want to place a trail order as the beginning of our cooperation, we can accept smaller quantity at frist. Surely we will have further and longer partnership after the beginning.
Q: Can you provide samples for checking before order?
A: Free samples can be provided as you required. You need only to bear the freight cost.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.