Zhangjiagang Shendingyuan Pipe-Making Co., Ltd.

Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd. is located in the golden port area of Zhangjiagang City, which enjoys Strategic location and convenient transportation. Our company covers an area of more than 8,000 square meters and our annual output has reached 5,000 tons. Our mill's major products consist of cold-drawn and cold-rolled precision seamless steel tubes and relevant oiled pipes bright-finished and line pipes for liquid-transportation usage.

Our products strictly meet international standards, such as ASTM A519, DIN2391 and EN10305. All our raw materials are chosen from high-quality billets and all products made under the particular processing of cold-drawing and cold-rolling. The tube is featured with high precision and high brightness. Using the special process of bright heat treatment, the inner and outer surface of the tubes have high cleanness without oxide, mechanical properties of the final tubes also come out excellently, promising no leakage under high pressure, no deformation after cold-bent and no cracks when flaring and flattening, ensuring the efficient operation in all service.

With the specialized technical personnel accounting for 25% of the total staff, our company has established a strict and efficient quality system. We possess well-appointed labs and NDT facilities. We have built up business relationships with the clients from North America, Europe, Southeast Asia, the Middle East and we enjoy an excellent reputation in this field.

With the tenet of expanding the market relying on sound quality, satisfying our clients with efficient service, our company always puts the quality in first place, in purpose of meeting different requirements of customers at home and abroad by more varieties of products. Shengdingyuan will always dedicate ourselves to technical innovation in requirement of customer and will stand in the leading place in seamless steel pipe industry.

Detailed Product Description :Seamless carbon steel tube and Black phosphated tube.


Standard: DIN2391, EN10305-1, EN10305-4

Steel grade: St35, St37, St45, St52, E235, E355

Condition: GBK(+A) NBK(+N), BK(+C), BKS

Size: OD4-76mm, WT0.5-8mm

EN10204/3.1B test certificate be presented

Packing: waterproof bundled, wooden case.

Usage: cylinders of machinery, high pressure tubing.

Characteristic: high cleanness, smooth on the both surface, chemical composition and mechanical properties fully according with standards