ASTM / ASME / DIN 304 /321 /316 /347H seamless Stainless Steel U Tube, stainless steel U shaped tube

zheheng steel is one incorporate of manufacturer, trader ,consultant ,stockist company specialized in the area of stainless steel U tube,304 seamless stainless steel U shaped tube ,321 seamless stainless steel U bend tube,347H smls stainless steel u tube for heat exchanger tubes , all kinds of ASTM ,ASME ,DIN ,JIS ,GB standard U tubes and pipe fittings ,valves and other stainless steel grade accessories . It is one-stop-shop company ,our team have more than 20 years experience in stainless steel field ,especially in heat exchanger tubing and large diameter pipes with ultra-long, ultra-thin, ultra-thick or ultra-large various and some special-purpose projects .

Materials and Manufacture
1 Manufacture and Condition—Tubes shall be made by the seamless process and shall be either hot finished or cold finished, as specified. Grade TP347HFG shall be cold finished.
2 Heat Treatment:
2. 1 Ferritic Alloy and Ferritic Stainless Steels—The fer-
ritic alloy and ferritic stainless steels shall be reheated for heat treatment in accordance with the requirements of Table 3. Heat treatment shall be carried out separately and in addition to heating for hot forming.
2. 2 Austenitic Stainless Steels—All austenitic tubes shall be furnished in the heat-treated condition, and shall be heat treated in accordance with the requirements of Table 3. Alter-natively, immediately after hot forming, while the temperature
of the tubes is not less than the specified minimum solution treatment temperature, tubes may be individually quenched in water or rapidly cooled by other means.
3 If any controlled structural characteristics are required,these shall be so specified in the order as to be a guide as to the most suitable heat treatment.

Product description:

production range:

Heat Treatment Assurance

A full-automatic natural gas furnace with 24 meters in length.The real temperature tolerance could be within 10℃.

Product show:

Zheheng steel is one  incorporate of manufacturer, Exporter ,consultant ,stockist company specialized in the area of stainless steel tubing , pipe fittings ,Flanges and other stainless steel grade accessories . It is one-stop-shop company ,our team have more than 20 years experience in stainless steel field ,especially in heat exchanger tubing and large diameter pipes with ultra-long, ultra-thin, ultra-thick or ultra-large various and some special-purpose projects .

After years of efforts,we now became more and more stronger , we have consist of four company respectively located in wenzhou(headquarter),lishui,chengdu city,two factorys of ss stainless pipe workshop in lishui ,another one ss pipe fittings workshop located in wenzhou ,one domestic sales company located in chengdu.

On Time, On Budget, For Over 20 Years

Our reputation is for providing competitive prices, technical services and on time deliveries for every project for over 20 years. Our inventory is computerized so our employees can respond quickly to all your requests. If a specific product is not in stock when you request it, we guarantee same day shipping or shortest lead time available.

Our regular feture products are 304/304L,316L, 321,310s,austentic serious ,duplex steel 2205 ,hastelloy c276,inconel 625 ,and super stainless steel 904L , All of our products meet or exceed AISI/ASTM A213 ,A269,A312,EN 10216,GHOST 9941 ,GB,JIS standard. per your specific requirements and include full documentation.

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