Leading Manufacturer for S30403 / S31603 Seamless Stainless Steel - Seamless stainless mechanical tubing – Donghao Metal Group

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Our enterprise aims to operating faithfully, serving to all of our prospects , and working in new technology and new machine frequently for Duplex Tube , Finned Tube , Monel 400 Tube , Sincerely hope we are growing up together with our customers all over the world.

Leading Manufacturer for S30403 / S31603 Seamless Stainless Steel - Seamless stainless mechanical tubing – Donghao Metal Group Detail:

We can supply high quality Seamless stainless mechanical tubing / Stainless Steel Hollow bar, which use in mechanical applications where corrosion-resistant or high-temperature strength is needed.

Delivery Condition: Annealed & Pickled, Annealed & Pickled + Polished

Material: TP304/304L, TP316/316L, TP317L, TP904L, Duplex, Other grades can be offered on request.

Standards:

ASTM A790/ASME SA790 Seamless and welded ferritic/austenitic stainless steel pipe

ASTM A312/ASME SA312 Seamless and welded austenitic stainless steel pipes

ASTM A511/ASME SA511 Seamless stainless steel mechanical tubing

DIN 2448 Seamless steel pipes and tubes

DIN 6258 Hollow steel bars for machining

GOST 8731 Seamless hot rolled steel pipes – technical requirements

JIS G3459 Stainless steel pipes

Test & Inspection:

1.100% PMI / SPECTRO CHEMICAL ANALYSIS TESTS

2.100% DIMENSION TESTS & 100% VISUAL EXAMINATION

3.TENSION TEST, FLARING TESTS(FOR SEAMLESS TUBE/PIPE)/FLANGE TESTS(FOR WELDED TUBE/PIPE), HARDNESS TEST, REVERSED FLATTENING TEST(FOR WELDED TUBE/PIPE), FLATTENING TEST (FOR SEAMLESS TUBE/PIPE)

4. 100% NON-DESTRUCTIVE TESTS

Length: Random Length / Fixed Length

Application:

Mechanical applications where corrosion resistant or high temperature strength is needed.

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continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for Leading Manufacturer for S30403 / S31603 Seamless Stainless Steel - Seamless stainless mechanical tubing – Donghao Metal Group, The product will supply to all over the world, such as: South Korea , Salt Lake City , Finland , Our company has abundant strength and possesses a steady and perfect sales network system. We wish we could establish sound business relationships with all customers from at home and abroad on the basis of mutual benefits.

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