ST35.8 Heat Exchanger Seamless Carbon Steel Pipes 25.4*2.77 DIN17175

DIN17175 ST35.8 Cold drawn seamless heat exchanger tube 25.4*2.77

DIN 17175 steel pipes are used in boiler installations, high-pressure pipelines and tank construction, and special machinery for both high temperature and high-pressure devices.

DIN17175 St35.8Heat seamless steel pipe is used for the high-pressure boiler (working pressure generally above 9.8 Mpa, working temperature between 450 ℃ ~ 650 ℃) of the heating surface pipe, economizer, superheater, reheater tube, petrochemical industry, etc.

Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.

Chemical Composition

Mechanical Properties

Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufacturers in China.

Changzhou Joyruns steel tube Co., Ltd has advanced technology, equipment, management and a good reputation, ensures that high-quality products and services are provided, the customer is satisfied. The company has implemented an effective quality assurance system, and long-term planning, maintenance, control and improvement of the quality of the products. 

We uphold the "JOYUNS" brand "win-win cooperation and practical innovation"

The product categories are as follows:

Bundy tube: Single-wall copper tube, Single-wall galvanized tube, Double-wall copper pipe, Double-wall zinc-coated Bundy tube, Aluminum tube, Copper tube

Carbon steel pipe: A179 heat-exchanger tube, Boiler tube, Alloy tube, Automobile precision pipe

Stainless steel pipe: Austenitic stainless steel pipe, Duplex/Super Duplex stainless steel pipe, Nickel alloy steel pipe, Titanium steel pipe.

All staff sincerely thank you for your concern and use of our products, and sincerely welcome your valuable comments on our products and services.