China OEM Astm A312 Tp321 Seamless Pipe - Martensitic Stainless Seamless tube – Donghao Metal Group

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Our business puts emphasis over the administration, the introduction of talented staff, plus the construction of team building, attempting hard to boost the standard and liability consciousness of personnel customers. Our corporation successfully attained IS9001 Certification and European CE Certification of Astm 304 321 316 316l Stainless Steel Tube , Tp446 Stainless Steel Tube , Straight Stainless Steel Pipe , With a wide range, top quality, reasonable rates and stylish designs, our products are extensively used with this industries and other industries.

China OEM Astm A312 Tp321 Seamless Pipe - Martensitic Stainless Seamless tube – Donghao Metal Group Detail:

DMG’s Martensitic heat transferring tubing is produced to apply where better mechanical, hardness, chloride induced pitting, crevice and stress corrosion crocking may be considered. And the high quality tube with such material can be used for other specific applications as Heater, Heat exchanger, Condenser, Machining, Bearing, Machining, API Service….

Delivery Condition: Annealed & Pickled, Annealed & Pickled + Polished

Grades: TP410S, TP410, TP420, TP420J2, 17-4PH, TP439, TP444, TP446, Other grades can be offered on request.

Standards:

ASTM A268 Seamless and welded Ferritic and Martensitic Stainless steel Tubing for General Service

Outside diameter range from 12-76.2mm

Wall thickness range from 0.71-12mm

Inspection & Test：

1. 100% PMI / Chemical analysis tests.

2.100% Dimension tests & 100% Visual examination

3. Tension test, flange test, hardness test, flattening test

4. 100% Eddy Test or Hydrostatic Test before bending and 100% Hydrostatic test after bending

5. Checking stress released heat treatment in bending area plus 300mm straight leg length after bending with agreement with clients.

Notes: all the tests and inspection need to provide with reports according to standard and test results.

Length: Random Length / Fixed Length

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We have been committed to offering easy,time-saving and money-saving one-stop purchasing service of consumer for China OEM Astm A312 Tp321 Seamless Pipe - Martensitic Stainless Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Iran , Surabaya , Rome , We warmly welcome domestic and overseas customers to visit our company and have business talk. Our company always insists on the principle of "good quality, reasonable price, the first-class service". We are willing to build long-term, friendly and mutually beneficial cooperation with you.

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Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!