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| Field | Features & Benefits |
|---|---|
| Hydraulic/Automobile | Withstands high pressure; excellent mechanical performance for bending and flaring. |
| Laboratory Gas | Puretube BA+ with Ra ≤0.375 (e.g., 6.35*1, 9.35*1, 12.7*1.24). |
| Food/Beverage | High precision with lower tolerance and reliable performance. |
| Pharmaceutical | ID roughness Ra ≤0.6, OD tolerance ≤±0.05mm, WT ≤±5%. |
| Semiconductor | Ra ≤0.375 with special cleanness for inner diameter. |
| Other | Gauge, chemical industry, heat exchanger, and precision equipment. |
| Standard | Grade | C | Si | Mn | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|
| ASTM A269/312 | 304 | ≤0.08 | ≤1.00 | ≤2.00 | 18.0-20.0 | 8.0-11 | - |
| 316L | ≤0.03 | ≤1.00 | ≤2.00 | 16.0-18.0 | 10.0-15.0 | 2-3 | |
| EN 10216-5 | 1.4301 | ≤0.07 | ≤1.00 | ≤2.00 | 17-19.5 | 8.0-10 | - |
| 1.4404 | ≤0.03 | ≤1.00 | ≤2.00 | 16.5-18.5 | 10.0-13.0 | 2-2.5 |



Our group consists of two specialized manufactures: one producing steel forgings for Marine, Power, Boiler, and Petrochemical fields, and the other producing precision steel tubes for the automotive industry and hydraulic systems. We span a total area of 150,000 square meters with over 200 employees. All products undergo double inspection by professional quality controllers to ensure the highest standards before delivery. We adhere to the principle of "Quality Formost" and strive to serve our global customers with dedication.
Flowtera Pipe