ASTM A335 P91 Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

WE SPECIALIZED IN PRODUCING AND EXPORTING CARBON STEEL SEAMLESS PIPES AND WELDED STEEL PIPES, BLACK AND HOT-DIPPED GALVANZIED, MEDIUM AND LOW PRESSURE BOILER TUBES, OIL CASING TUBING AND LINE PIPES, QUALIFY THE INTERNATIONAL STANDARD, SUCH AS API 5CT J55/55/N80/P110, API 5L/ASTM A53/A106 GRADE A/B, ASME A179/A192, DIN 2440/2448, BS1387, etc. SIZES AVAILABLE IN RANGE: 1/4"-48".

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ASTM A335 Steel Ferritic Alloy Tubes Pipe for High-Temperature and Boilers

ASTM A335 Seamless ferritic and alloy steel pipe for high temperature service

Applications: for Boilers,Superheaters,Heat-Exchangers
Size range: O.D.:6-420mm W.T.:1-50mm L: according to customer requirement

Production details:

seamless steel pipe chemical composition:

Product Analysis
1 At the request of the purchaser, an analysis of two pipes from each lot shall be made by the manufacturer.
2 The results of these analyses shall be reported to the purchaser or the purchaser’s representative, and shall conform to the requirements
3 For grade P 91 the carbon content may vary for the product analysis by −0.01 % and +0.02 % from the specified range
4 If the analysis of one of the tests specified in 8.1 does not conform to the requirements specified in 6.1, an analysis of each billet or pipe from the same heat or lot may be made, and all billets or pipe conforming to the requirements shall be accepted.

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 :