321/321H,1.4541 Stainless Steel Pipe

321/321H stainless steel (UNS S32100/S32109, EN 1.4541) is a titanium-stabilized austenitic chromium-nickel alloy specifically designed to resist sensitization during welding and high-temperature service. The titanium addition prevents chromium carbide precipitation, maintaining corrosion resistance in the critical 425-850°C temperature range.


Specification


International StandardASTM, AISI, JIS, ISO, EN, DIN, BS
Outer Diameter1/8″ – 80″ , DN6 – DN2000 , 10.3mm – 2032mm
Wall ThicknessSch 10, 40, 80, 160 &XXH
 Tube TypeSeamless or Welded(PLASMA+TIG)
Surface FinishPolishing, Annealing, Pickling, Bright
Technical TreatmentCold Rolled, Hot Rolled
Mill Test Certificate(MTC)EN10204 3.1
Test ContentFlange & Flaring Test,Reverse Flattening Test, Roughness Test, Hydrostatic/Pneumatic Test, Eddy Current Test (NDT), Surface Finish Verification, Dimensional Inspection, Material Certification
Certificate

TUV ISO 9001:2015 , PED 2014/68/EU , AD 2000-WO 

DIN EN ISO 9606-1 , DIN EN ISO 14732 Welder Certificate

EN ISO 9712 NDT Personnel Certificate EN ISO 15613 WPQR


Chemical Composition %


GRADECMnPSSiNiCrTi
321

0.080

2.000.0450.0301.09-1217-190.7>5XC
321H0.04-0.102.000.0450.0301.09-1217-190.7>5XC
1.45410.0802.000.0450.0301.09-1217-190.7>5XC


Mechanical Propertoes



Tensile strength (Mpa)Proof Stress (0.2% Offset)/MPaElongation Longitudinal (%)Elongation Transverse (%)
3215152053530
321H5152053530
1.4541500-7002053530


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