Seamless A269 Stainless Steel Heat Exchanger Tube

TP304 / S30400 / 1.4301 / X5RCI18-10 Stainless Steel Heat Exchanger Tube / A269 / A213 standard

Product Marking
1 In addition to the marking prescribed in Specification A 1016/A 1016M, the marking shall include the condition: hot finished or cold finished.
2 For the austenitic stainless steels having a grain size requirement (see Table 2) the marking shall also include the heat number and heat-treatment lot identification.
3 When either T2 or T12 are ordered with higher sulfur contents as permitted by Note B of Table 1, the marking shall include the letter, S, following the grade designation: T2S or T12S.

zheheng steel Chemical assurance

1. Each lot of raw materials will be tested by spectrometer before put in storage.

2. 100%PMI the mother pipe to ensure we put right material.

2. 100%PMI the finished pipe again to ensure we produced right grade

The main products:cold drawn seamless stainless steel,cold drawn seamless stainless steel pipe,cold drawn seamless stainless steel pipes

product description in details:

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

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.

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