Products > Stainless Welded Steel Pipe

Stainless Welded Steel Pipe

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Production Flow Chart

A： Continuous forming：

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B: Single-piece forming：

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Specifications

Diameter

NPS 1/8"- 120"

OD: 0.25"- 120" (6mm—3048mm)

Wall thickness

SCH:5S,10/10S/20,30,STD,40/40S,60,80/80S,XS,100,120,140,160,XXS

WT: 0.004"- 2.5" (0.1mm—60mm)

Surface/finish

Pickled and Passivated ,Sandblasted,Beadblasted,Mechanically Polished,Solution Annealed, Bright Annealed, Electro Polished

Standard

GB:   GB/T 12771

ASTM：ASTM A312, ASTM A249

EN：EN 10217-7, EN 10253-2

ISO：ISO 1127

 

Steel Grade

Austenitic Stainless Steel：304/304L/316/316L/317/321/347/310S/904/904L...

Super Austenitic Stainless Steel:

S31254/N08367/N08926/S32652/S31277

Package

(bundled with Moisture-proof Paper or Woven Bag),

(Wooden pallet or Case Packing), iron frame

Application

Oil & Gas transportation ,Petrochemical Piping, Fluid Transportation,Boiler and Heat Exchanger,Mechanical Manufacturing, shipbuilding, water treatment, measurement or food industry, construction,decoration and others.


Quality Control

Material Quality Control(Chemical composition, Stainless steel grade verification, Surface quality, Material traceability)
Welding Process Inspection(Welding parameters, Welding speed and temperature, Weld seam formation, Heat treatment process when required)
Weld Quality Testing(Weld seam visual inspection, Eddy current testing, Ultrasonic testing, Hydrostatic pressure testing, Dimensional measurement)
Final Inspection(MTC certificate, Inspection records, Surface inspection report, Packing and marking confirmation)

Processing

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Products

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Package

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