Audited Supplier
Tolerance can control +/-0.05mm, Min +/-0.02mm
2.Good mechanical performance:
Tube can be process freely
3.Tube can be process freely:
Tube can be process freely
4.Low Roughness Mirror Surface:
Inner surface can controal Ra ≤ 0.06mm
5.Withstand High Pressure (HPS BA):
Tube can be used for hydraulic lines
Other sizes and material available upon request
OD: 1mm-250mm WT: 0.05mm- 50mm
Tolerance: OD +/-0.05mm ID +/-0.05mm Other sizes, grades and special tolerance available upon request
Advantage: Sophisticated bright annealing technology makes the tube good mechanical performance,the tube can be flared,flatten,bent freely.
Hydraulic/Automobile Pipe: | Good roughness enable tube withstand high pressure and good mechanical performance guarantee tube bent, 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 |
Standard | Chemical Composition: | ||||||||
Grade | C | Si | Mn | P | S | Cr | Ni | Mo | |
ASTM A269 ASTM 312 | 304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | ≤18.0-20.0 | 8.0-11 | |
304L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.0-18.0 | 8.0-12 | ||
SUS316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.0-18.0 | 10.0-14.0 | 2-3 | |
SUS316L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.0-18.0 | 10.0-15.0 | 2-3 | |
EN 10216-5 DIN 17458 | 1.4301 | ≤0.07 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.015 | 17-19.5 | 8.0-10 | |
1.4307 | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.015 | 17.5-19.5 | 8.0-10.5 | ||
1.4401 | ≤0.07 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.015 | 16.5-18.5 | 10.0-13.0 | 2-2.5 | |
1.4404 | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.015 | 16.5-18.5 | 10.0-13.0 | 2-2.5 | |
Standard | Mechanical phosphated | |||
YS(Mpa) | TS(Mpa) | EL(%) | HRB | |
ASTM A269 ASTM 312 | ≥205 | ≥515 | ≥35 | ≤90 |
≥170 | ≥485 | ≥35 | ≤90 | |
≥205 | ≥515 | ≥35 | ≤90 | |
≥170 | ≥485 | ≥35 | ≤90 | |
EN 10216-5 DIN 17458 | ≥195 | 500-700 | ≥35 | ≤90 |
≥180 | 460-680 | ≥35 | ≤90 | |
≥205 | 510-710 | ≥35 | ≤90 | |
≥190 | 490-690 | ≥35 | ≤90 | |
| hydraulic tubing | bundy tube | automotive tube |
| steel forging | pipe as per application | pipe assembly |
| precision pipe | special shape pipe | stainless pipe |
1. who are we?
We are based in Jiangsu, China, start from 2010,sell to Eastern Asia(20.00%),Mid East(20.00%),Eastern Europe(15.00%),Southeast Asia(15.00%),Northern Europe(10.00%),Domestic Market(10.00%),South America(5.00%),Western Europe(5.00%),South Asia(0.00%),North America(0.00%),Oceania(0.00%),Southern Europe(0.00%),Central America(0.00%),Africa(0.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production; Always final Inspection before shipment;
3.what can you buy from us?
Steel Pipe, Seamless Pipe, Hydraulic Oil Tube, Precision Tube, Stainless Steel Tube
4. why should you buy from us not from other suppliers?
Production: Advanced production line and drawing with special oil to make the surface in best condition. Lower roughness and good mechanical performance. Inspection before delivery: Professional team for inspection and randomly check
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU; Accepted Payment Currency:USD,EUR,HKD,CNY; Accepted Payment Type: T/T,L/C,MoneyGram; Language Spoken:English,Chinese,Spanish,Japanese
Chewit International 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.
