321 Stainless Steel Tube Sizes

321 Stainless Steel Seamless Tubing

  • Size: 1/2" OD - 28" OD

  • OD: 3.00 - 711 mm

  • Thickness : 0.40 - 80 mm

  • Length: Single, Double Random & Cut Length


SA 213 TP 321 Stainless Steel Tubing Specification

Check Dimensions & Sizes Of 321 SS Welded Tubing

Standard SpecificationAMS 5557, AMS 5570, MI-L-T 8808, MIL-T-8606
ASTM A213 / ASME SA 213Standard Specification for 321 Stainless Steel Seamless Superheater, Condenser, Hydraulic, Boiler and Heat-Exchanger Tubes
ShapesSA 213 TP 321 Stainless Steel Round, Rectangular, Square, Hydraulic, Straight, "U" Shape, Coiled, Honed Tubes, Pan Cake Coils
Manufacturing TypeSeamless / ERW / Welded / Fabricated / CDW / CDS / DOM / CEW / 100% X Ray Welded
Delivery ConditionAnnealed and Pickled (AP), Polished, Bright Annealed (BA), Cold Drawn, MF
Surface Finish Mirror Polished, 180G, 320G, 400G Satin/ Hairline, 400G, 500G, 600G or 800G Mirror finish ASME SA213 TP321 Tubing or Custom Finish as per customer's specification
Thickness RangeSCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXH, SCH XXS, SCH XS
StandardSUS, JIS, AISI, ASTM, GB, DIN, EN
Relevant StandardASTM A213, ASTM A312, ASTM A269, ASTM A778, ASTM A554, ASTM A249, ASTM A269, ASTM A270, ASTM A789, DIN 17456, DIN17457, DIN 17459, JIS G3459, JIS G3463, GOST9941, EN10216, BS3605, GB13296
Value Added Services

  • Cutting

  • Beveling

  • Threading

  • Polishing (Electro & Commercial)

  • Draw & Expansion as per required Size & Length

  • Destructive and Non Destructive

  • Ultrasonic Testing

  • Annealed & Pickled Bending

Swg & Bwg10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
ENDPlain End, Beveled End, Treaded SS 321 Tube
Processing ServiceBending, Welding, Decoiling, Punching, Cutting, Moulding
TechniqueASTM A 213 321 Stainless Steel Cold drawn, Cold rolled, Hot rolled, Extrusion Tube
Tolerance

  • Outer Diameter:  +/- 0.2mm

  • Thickness: +/- 10% OR   as customer request

  • Length: +/- 10mm

Marking

  • Specification

  • Material Grade

  • Nominal Size

  • Schedule or Wall Thickness

  • Method of Manufacturing  (Seamless / Welded)

  • Heat Number

  • Manufacturer’s Name or Custom Logo - on request

Marked Pipe Sample: 321 Stainless Steel 12" NB SCH 40S SEAMLESS HEAT NO. XXXX

Test Certificate

  • DFARS compliant

  • EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC)

  • 100% Radiography Test Report

  • Raw Materials Certificate

  • Third Party Inspection Report

  • Fumigation Certificates

  • Heat Treatment Charts

  • HS Code Commercial Invoice

  • Form A for Generalized System of Preferences (GSP)

  • Manufacturer Test Certificate

  • Surface roughness measurement

  • Laboratory Test Certificate from Govt. Approved Lab

Stainless Steel 321 Tubing PackagingPacked in PE Fabric Bundles or ply wooden box wrapped in plastic or Standard seaworthy export packing or as per customers' request
PortMumbai, India
Uses & Application

  • Common industrial services (Petroleum, chemical, paper, fertilizer, fabric, aviation and nuclear)

  • Fluid, gas and oil industry

  • Heat transmission and pressure service

  • Construction and ornamental

  • Boilers and Heat exchangers

  • Decoration purpose, boiler, auto parts, medical device, food industry, building materials)


ASTM A 213 321 Stainless Steel Tubing Mechanical Properties

Nominal ODNominal WallUltimate KSIYield KSIElongation





.188 and less.016 and less75-120 maximum
35%


75-105 maximum30 min

Over .016

35%





Over .188.010 and75-115 maximum30 min35%
Thru .500Less


inclOver .01075-105 maximum
35%





Over .500All75-100 maximum30 min35%

Stainless Steel 321 Tube Chemical Composition

Weight %NiCrMnCSiSP
Min9.0017.00




Max12.0019.002.00.0801.00.030.045

SA213 321 SS Equivalent

STANDARDWERKSTOFF NR.UNS
SS 3211.4541S32100