Heat - Exchanger Stainless Steel Welded Tube , Stainless Steel 316 Pipe Fittings

A 249 / A 249M 316 Stainless Steel Welded Tube Superheater, Heat- Exchanger, and Condenser Tubes

We offer A 249/A 249M – 01 TP304H, TP309H, TP309HCb, TP310H,
TP310HCb, TP316H, TP321H, TP347H, and TP348H
are modifications of Grades TP304, TP309S, TP309Cb,
TP310S, TP310Cb, TP316, TP321, TP347, and TP348 Welded Stainless Steel Pipe Standard Specification for
Welded Austenitic Steel Boiler, Superheater, Heat-
Exchanger, and Condenser Tubes

1.1 This specification 2 covers nominal-wall-thickness
welded tubes made from the austenitic steels listed in Table 1,
with various grades intended for such use as boiler, super-
heater, heat exchanger, or condenser tubes.
1.2 Grades TP304H, TP309H, TP309HCb, TP310H,
TP310HCb, TP316H, TP321H, TP347H, and TP348H
are modifications of Grades TP304, TP309S, TP309Cb,
TP310S, TP310Cb, TP316, TP321, TP347, and TP348, and are
intended for high-temperature service such as for superheaters
and reheaters.

Other standard type:

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

ZHEHENG STEEL has passed approved by ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004 With good quality and competitive price, we warm a good reputation in domestic and international markets. We hope to build a good and long relationship with customers from home and abroad.

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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