DONGSHANG Stainless welded annealed stainless steel tube conform to ASTM A249 / SA249, custom grades include 304 / 304L, 316 / 316L / 316H / 316Ti, 321 etc stainless steels.
DONGSHANG stainless is a stainless steel tube manufacturer and supplier in China, our mills produce seamless and welded tube over 10 years. Stainless steel grades have 304, 304L, 316L etc, various sizes and dimensions are available.
There are annealed, annealed and pickled, bright annealing and polishing stainless steel tube finishes for option.
We also offer fabricating, cutting, bending, polishing service to meet various requirements, forms and shapes include round tube, rectangular tubing, square tubing, oval tubing, U bend tubing, tubing coil。
A213 – Seamless Stainless Steel Boiler, Super heater, and Heat-Exchanger Tubes
A249 – Welded Stainless Steel Boiler, Super heater, Heat Exchanger, and Condenser Tubes
A268 – Seamless and Welded Stainless Steel Tubing for General Service
A269 – Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A270 – Seamless and Welded Stainless Steel Sanitary Tubing
We manufacturer stainless steel tube & pipe as ANSI Pipe Schedule B36.19&B36.10, NPS from 1/8 inch to 30 inch, Schedule from sS to XXS. Heat Exchanger tube sizes are provided for condenser, boiler and heat exchanger system. There are also small diameter sizes for coiled tube and capillary tube. EN 10312 standard have special dimensions for water tube range.
We also offer other standard stainless steel tube and pipe, such as GB, DIN, JIS, GOST , from raw material to final product, and producing process comply to ISO9001:2008 quality system, standard or optional testing and inspection should be conducted to ensure quality products, applying in corrosion and high temperature environments。