Duplex Stainless Steel U Pipe For Boiler Cold Rolling With PED ISO 9001 Approved

Duplex steel u tube,U bend Stainless Steel Heat Exchanger Tubing, Boiler Tube with PED , ISO 9001 certificates

Zheheng steel is one incorporate of manufacturer, trader ,consultant ,stockist company specialized in the area of stainless steel U tube,U bend stainless steel heat exchanger tubing ,ss stainless steel boiler tube ,high quality stainless steel seamless U bend tubingf, manufacturer for ss 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

Stabilizing Heat Treatment
Subsequent to the solution anneal required in Section 6, Grades TP309HCb, TP310HCb, TP310HCbN, TP321,TP321H, TP347, TP347H, TP348, and TP348H shall be given a stabilization heat treatment at a temperature lower than that used for the initial solution annealing heat treatment. The temperature of stabilization heat treatment shall be at a temperature as agreed upon between the purchaser and vendor

Product description :

Heat Treatment Assurance

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

QUALITY CONTROL

1~ Incoming Raw Material Inspection

2~ Raw Material Segregation to avoid steel grade mix-up

3~ Heating and Hammering End for Cold Drawing

4~ Cold Drawing and Cold Rolling, on line inspection

5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T

6~ Straightening-Cutting to specified length-Finished Measuring Inspection

7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc

8~ Packing and Stocking

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.

More photos about our workshop :