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
Product detail pictures:
Related Product Guide:
go on to boost, to be certain item quality in line with market and buyer standard demands. Our firm has a excellent assurance procedure happen to be established 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: Peru , Kazakhstan , Belgium , To meet the requirements of specific customers for each bit more perfect service and stable quality merchandise. We warmly welcome customers around the world to visit us, with our multi-faceted cooperation, and jointly develop new markets, create a brilliant future!
By Julia
from New Zealand
- 2015.12.14 15:26
The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.
By Agatha
from Sevilla
- 2016.09.29 11:19
