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Mechanical 321 stainless steel seamless pipe
The 321 stainless steel pipe is ni-cr-ti austenitic stainless steel with abrasion resistance, high temperature resistance and creep resistance. It is used to make lining and conveying pipes for wear-resistant acid containers and wear-resistant equipment
- Product Details
Mechanical Testing for 321 stainless steel seamless pipe
zheheng steel is a professional supplier of stainless steel seamless pipe in China, including China manufacturer welded stainless steel pipe(304/304L/316L/321) , our products apply for many industries such as oil and gas, water treatment, mining, food, chemical engineering medicine, paper and pulp.
Stainless steel seamless tube and seamless pipe mill covers an area of 100000 square meters, over 300 skillful employees with more than 20 engineers, we have advanced producing equipment and testing device, each year we provide stainless steel pipe over 5000 metric tons.
With many years experiences, the company has completed quality management system, from material inspection to final product, we strictly comply with standard in quality control, and hold a series certificates including ISO 9001:2008, BV, RINA, PED
| Chemical Composition about 321 stainless steel seamless pipe | |||||||
| Grade | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Ni ≤ | Cr ≤ |
| 201 | 0.12 | 0.75 | 7.00 | 0.045 | 0.045 | 1.00-1.28 | 13.70-15.70 |
| 202 | 0.15 | 1 | 2.25 | 0.045 | 0.045 | 4.07-4.17 | 14.00-16.00 |
| 304 | 0.08 | 0.75 | 2 | 0.045 | 0.03 | 8.00-11.00 | 18.00-20.00 |
| 304L | 0.035 | 0.75 | 2 | 0.045 | 0.03 | 8.00-13.00 | 18.00-20.00 |
| 309 | 0.15 | 0.75 | 2 | 0.045 | 0.03 | 12.00-15.00 | 22.00-24.00 |
| 310S | 0.08 | 1.5 | 2 | 0.045 | 0.03 | 19.00-22.00 | 24.00-26.00 |
| 316 | 0.08 | 1 | 2 | 0.045 | 0.03 | 10.00-14.00 | 16.00-18.00 |
| 316L | 0.035 | 0.75 | 2 | 0.045 | 0.03 | 10.00-15.00 | 16.00-18.00 |
| 321 | 0.04-0.10 | 0.75 | 2 | 0.045 | 0.03 | 9.00-13.00 | 17.00-20.00 |
Mechanical properties
Its tensile strength is 520 or greater
Its conditional yielding strength is 0.2 (MPa) or greater than 205
The elongation ratio is greater than or equal to 40
Filtration rate of cross - section is 50 or greater
Hardness: 187 hb or less;90 HRB or less;200 hv or less
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