| Customization: | Available |
|---|---|
| Type: | Seamless |
| Technique: | Cold Drawn and Cold Roll |
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| Chemical and Mechanical Composition: | ||||||||||||
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo | YS(Mpa) | TS(Mpa) | EL(%) | Hv |
| 304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | ≤18.0-20.0 | ≤8.0-10.5 | ≥205 | ≥520 | ≥40 | ≤200 | |
| 304L | ≤0.030 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | ≤18.0-20.0 | ≤8.0-10.5 | ≥175 | ≥480 | ≥40 | ≤200 | |
| SUS316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.0~18.0 | 10.0~14.0 | 2~3 | ≥205 | ≥520 | ≥40 | ≤200 |
| SUS316L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.0~18.0 | 12.0~15.0 | 2~3 | ≥175 | ≥480 | ≥40 | ≤200 |
| Size | OD:1.5 - 50 mm, wall thickness: 0.3-4mm |
| Length | As per customer request |
| Delivery Conditions | AP ( Anneal and Polished ), BA(Bright Annealed), Mechanical Polished, Electro-polished( EP) |
| Hydraulic/Automobile Pipe: | Good roughness enable tube withstand high pressure and good mechanical performance guarantee tube bended, flared, end process and others freely, |
| Laboratory gas: | Puretube BA+ with special drawing procses to reach Ra ≤0.375 regular sizes like 6.35*1, 9.35*1, 12.7*1.24, 25.4*1.65 etc |
| Food/Beverage: | High precision with lower tolerance, good mechanical performance |
| pharmaceutical: | ID roughness Ra ≤0.6, OD tolerance≤±0.05mm, WT ≤±5% , sizes like 6*1, 8*1, 10*1 and others |
| Semiconductor: | Ra ≤0.375 special cleanness for inner diameter |
| Other application: | Guage, chemical industry, heat exchanger, precision equipments and others |
Chewit international Located in zhangjiagang city which is along The Yangtze Golden Channel the junction of River and Coast Economic Belt. It owns an excellent geographic position, as it is close to Nanjing city in the north, adjacent to Suzhou and Wuxi cities in the south, next to Shanghai international city in the east. Zhangjiagang international port and State highway endow us a convenient water and land transportation which links us to the outside world both home and aboard. Chewit International is one group company with two manufactures one is producing steel forgings for Marine, Power, Boiler, Ocean, Oil, Petrochemical, Mechanical and Hydraulic fields and the other is producing precision steel tubes for automotive industry and hydraulic system and also one semi-independent company specially for import and export business. We have a total area of 150000 square meters with the employees over 200 people. All the products well produced by our mills need to be double inspected by chewit professional quality controller and then we will offer our customer the vivid report for the tested items. Only those products which are inspected well can be allowed to delivery to our customers. By the means of strict inspection, we wined a lot of customer for long term business both home and abroad. We adhere to our company tenet Customer First, Quality formost and always try our best to serve our customer with our full heart.
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