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

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To be able to give you benefit and enlarge our business, we also have inspectors in QC Team and assure you our greatest service and products for 316l Stainless Tubing , Finished Tubing Parts , 306 321 Stainless Steel Tubing , We honor our core principal of Honesty in business, priority in company and will do our greatest to provide our customers with high-quality goods and fantastic provider.

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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Excellent 1st,and Client Supreme is our guideline to deliver the ideal provider to our prospects.Nowadays, we have been seeking our best to become certainly one of the most effective exporters in our discipline to meet shoppers more require 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: Burundi , Florida , Qatar , The best and original quality for spare parts is a most important factor for transportation. We may stick on supplying original and good quality parts even a little profit earned. God will bless us to do kindness business forever.

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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.