Good User Reputation for 321 Stainless Steel Pipes - Large diameter thin-walled stainless steel seamless pipe – Donghao Metal Group

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We believe in: Innovation is our soul and spirit. High-quality is our life. Purchaser need is our God for Polished Stainless Steel Tube , Stainless Steel Tube And Pipes , Seamless Stainless Steel Pipes , Never-ending improvement and striving for 0% deficiency are our two main excellent policies. Should you need anything, never be reluctant to speak to us.

Good User Reputation for 321 Stainless Steel Pipes - Large diameter thin-walled stainless steel seamless pipe – Donghao Metal Group Detail:

We can supply high quality large diameter thin-walled stainless steel seamless tubes with SCH5/5S

Typical specifications:

219.1mm*3.76mm ,

273.1mm*4.19mm ，

323.9mm*4.57mm ,

355.6mm*4.78mm ,

406.4mm*4.78mm ,

457.2mm*4.78mm,

508mm*5.54mm ,

558.8mm*5.54mm ,

609.6mm*6.35mm ,

660.4mm* 7.92mm ,

711.2mm* 7.92mm,

Other sizes can be offered on request.

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

Grades: 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

DIN 2448 Seamless steel pipes and tubes

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% HYDROSTATIC TEST/100% NON-DESTRUCTIVE TESTS

Length: Random Length / Fixed Length

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We believe in: Innovation is our soul and spirit. Top quality is our life. Purchaser need is our God for Good User Reputation for 321 Stainless Steel Pipes - Large diameter thin-walled stainless steel seamless pipe – Donghao Metal Group, The product will supply to all over the world, such as: Mauritius , Singapore , Sweden , Our company insists on the principle of "Quality First, Sustainable Development", and takes "Honest Business, Mutual Benefits" as our developable goal. All members sincerely thank all old and new customers' support. We will keep working hard and offering you the highest-quality products and service.

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The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.