Super Purchasing for Astm A269 Tp304l Steel Tube - 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
Product detail pictures:

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To constantly improve the management system by virtue of the rule of "sincerely, good faith and quality are the base of enterprise development", we widely absorb the essence of related products internationally, and constantly develop new products to meet the demands of customers for Super Purchasing for Astm A269 Tp304l Steel Tube - Martensitic Stainless Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Netherlands , Serbia , UK , We set "be a creditable practitioner to achieve the continuous development and innovation" as our motto. We would like to share our experience with friends at home and abroad, as a way to create a bigger cake with our joint efforts. We have several experienced R & D persons and we welcome OEM orders.
The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.



