High definition Cheap Steel Tubing - 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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So that you can finest fulfill client's demands, all of our operations are strictly performed in line with our motto "High Excellent, Competitive Price, Fast Service" for High definition Cheap Steel Tubing - Martensitic Stainless Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Canada , Hamburg , Bolivia , We believe with our consistently excellent service you can get the best performance and cost least goods from us for a long term . We commit to provide better services and create more value to all our customers. Hope we can create a better future together.
The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.





