Wholesale Seamless Tube Suppliers - Martensitic Stainless Seamless tube – Donghao Metal Group

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We are experienced manufacturer. Wining the majority from the crucial certifications of its market for 304 Stainless Steel Seamless Straight Tubing , Aisi 316l Stainless Steel Pipe , 316l Stainless Pipe , We have built a reliable reputation among many customers. Quality&customer first are always our constant pursuit. We spare no efforts to make better products. Look forward to long-term cooperation and mutual benefits!

Wholesale Seamless Tube Suppliers - 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 now probably the most innovative production equipment, experienced and qualified engineers and workers, regarded high quality control systems and also a friendly expert income team pre/after-sales support for Wholesale Seamless Tube Suppliers - Martensitic Stainless Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Portugal , Honduras , Bulgaria , Our company abides by the management idea of "keep innovation, pursue excellence". On the basis of assuring the advantages of existing products, we continuously strengthen and extend product development. Our company insists on innovation to promote the sustainable development of enterprise, and make us become the domestic high-quality suppliers.

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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.