




DIAMETER (INCH) | WALL THICKNESS (INCH) | LENGTH (FOOT) | WRENCHING |
3 | 0.197 | 3.28-19.69 | SQUARE 57 OR 64.5MM |
3 | 0.236 | 3.28-19.69 | SQUARE 57 OR 64.5MM |
3 | 0.315 | 3.28-29.53 | SQUARE 57 OR 64.5MM |
3.5 | 0.236 | 3.28-19.69 | SQUARE 70 OR 64 MM |
3.5 | 0.236 | 3.28-19.69 | SQUARE 70 OR 64 MM |
3.5 | 0.315 | 3.28-31.5 | SQUARE 70 OR 64 MM |
3.5 | 0.315 | 3.28-31.5 | SQUARE 70 OR 64 MM |
4 | 0.315 | 3.28-29.53 | SQUARE 76 OR 89 MM |
4 | 0.394 | 3.28-29.53 | SQUARE 76 OR 89 MM |
4.5 | 0.236 | 4.92-25 | 89/95 |
4.5 | 0.315 | 4.92-30 | 89/95 |
More details please feel free to contact with us. | |||

CHENGSEN has been in this line for more than 25 years production experience, 18 years export experience, had been exported to more than 100 countries, which include Italy, Germany, Ukraine, Poland, Argentina, Uruguay, Bolivia, Chile, Brazil, Australia, India, Korea, Singapore, Myanmar, Thailand, Egypt, UAE, Kuwait, South Africa etc.,
CHENGSEN'sproduct are in compliance with quality control at every manufacturing stage in accordance with API-5L, ASTM, ASME, BS,EN,DIN, JIS, ISO, CE,BS,GOST, NACE quality standards.
CHENGSEN is your reliable supplier. Credit business, Quality assurance, Timely shipment, 80% Repeat orders.
1. Is your samples free?
Yes, we can provide free samples to my clients.
2. How many days will the samples be finished?
Generally the samples will be sent immediately by the air express in 2~3 days if the goods are in stock.
3. And how about the mass production?
Normally within 20-25 days according to your order.
4. Are you a manufacture?
Yes, we have been in providing the products in this field for 15 years.
5. Is customized availables?
Yes, we can OEM according to your detailed drawings.