ASI
SS Pipes & Tubes

SS Pipes & Tubes

Seamless and welded SS pipes and tubes for process piping, structural, and instrumentation applications across industries.

Select format / option

Product: SS Pipes & Tubes · Option: Seamless

Specifications

SpecificationValue
TypesSeamless, Welded ERW
ProfilesRound, Square, Rectangular
SS grades (stocked)Austenitic: 202, 303, 304, 304L, 309, 310, 316, 316L, 316Ti, 317L, 321, 904L · Martensitic: 410, 416, 420, 440C · Ferritic: 430
DocumentationMill Test Certificates with orders

Reference grade chart (stocked SS)

Mill Test Certificates available for all grades. Inquire for specific dimensions & pricing.

GradeTypeKey application
SS 202AusteniticGeneral fabrication, utensils
SS 304 / 304LAusteniticFood, pharma, chemical, architecture
SS 316 / 316LAusteniticMarine, chemical, pharmaceutical
SS 316TiAusteniticHigh-temp process equipment
SS 317 / 317LAusteniticPulp, paper, acid environments
SS 309 / 310AusteniticHigh-temperature furnace parts
SS 321AusteniticAerospace, exhaust, welded assemblies
SS 904LSuper AusteniticSulphuric acid, extreme corrosion
SS 410 / 416 / 420MartensiticCutlery, valves, shafts
SS 440CMartensiticBearings, surgical instruments
SS 430FerriticAutomotive trim, decorative

Applications

  • Process piping and instrumentation
  • Structural and architectural runs
  • Chemical, pharma, and food-grade lines (per spec)

Sizing & sourcing

Share NB / OD, wall thickness, length, and standard for matching stock and mill programs.

Sizes and schedules vary by grade — confirm on inquiry.