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  • TP321 Stainless Steel Pipe 3 1/2 Tubing Seamless EN 1.4541 AIS321 321H Hollow Bar
  • TP321 Stainless Steel Pipe 3 1/2 Tubing Seamless EN 1.4541 AIS321 321H Hollow Bar
  • TP321 Stainless Steel Pipe 3 1/2 Tubing Seamless EN 1.4541 AIS321 321H Hollow Bar

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TP321 Stainless Steel Pipe 3 1/2 Tubing Seamless EN 1.4541 AIS321 321H Hollow Bar

1. Low MOQ and Flexible Production Ability.
2. Quick delivery and standard industry exporting package.
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Product Description

321 stainless steel pipe is used in the field machine of chemical, coal and petroleum industries with high corrosion resistance to grain boundaries, heat resistant parts of building materials and parts with difficulty in heat treatment.


ItemAISI 321 Stainless Steel Pipe 3 1/2 Tubing Seamless EN 1.4541 TP321 321H Hollow Bar
StandardASTM A213,A312,ASTM A269,ASTM A778,ASTM A789
Material304,304L,309S,310S,316,316Ti,317,317L,321,347,347H,304N,316L,316N,201,220,2507,904l,etc
SurfacePickling , Polished , Hairline , Mirror 
Typehot rolled ,cold rolled / cold drawn 
stainless steel round pipe / tube
SizeWall thickness1.24 - 59.54 mm (SCH5S-XXS)
Outer diameter10.3 - 1219mm (1/8"- 48")
stainless steel square / rectangular pipe / tube
SizeWall thickness1mm-150mm(SCH10-XXS)
Outer diameter4mm*4mm-800mm*800mm
Length4000mm,5800mm,6000mm,12000mm,or as required.
Price termsFOB,CIF,CFR,CNF,Ex-work
Delivery timePrompt delivery or as the order quantity.
PackageStandard export seaworthy package,or as required. 
ApplicationWidely used in petroleum,foodstuff,chemical industry,construction, electric power,nuclear,energy,machinery,biotechnology,shipbuilding,boiler fields.


Chemical parameter.jpg


UNSASTMENJISC%Mn%P%S%Si%Cr%Ni%Mo%
S201002011.4372SUS201≤0.155.5-7.5≤0.06≤0.03≤1.0016.0-18.03.5-5.5-
S202002021.4373SUS202≤0.157.5-10.0≤0.06≤0.03≤1.0017.0-19.04.0-6.0-
S301003011.4319SUS301≤0.15≤2.00≤0.045≤0.03≤1.0016.0-18.06.0-8.0-
S304003041.4301SUS304≤0.08≤2.00≤0.045≤0.03≤0.7518.0-20.08.0-10.5-
S30403304L1.4306SUS304L≤0.03≤2.00≤0.045≤0.03≤0.7518.0-20.08.0-12.0-
S30908309S1.4833SUS309S≤0.08≤2.00≤0.045≤0.03≤0.7522.0-24.012.0-15.0-
S31008310S1.4845SUS310S≤0.08≤2.00≤0.045≤0.03≤1.5024.0-26.019.0-22.0-
S316003161.4401SUS316≤0.08≤2.00≤0.045≤0.03≤0.7516.0-18.010.0-14.02.0-3.0
S31603316L1.4404SUS316L≤0.03≤2.00≤0.045≤0.03≤0.7516.0-18.010.0-14.02.0-3.0
S31703317L1.4438SUS317L≤0.03≤2.00≤0.045≤0.03≤0.7518.0-20.011.0-15.03.0-4.0
S321003211.4541SUS321≤0.08≤2.00≤0.045≤0.03≤0.7517.0-19.09.0-12.0-
S347003471.455SUS347≤0.08≤2.00≤0.045≤0.03≤0.7517.0-19.09.0-13.0-
S405004051.4002SUS405≤0.08≤1.00≤0.04≤0.03≤1.0011.5-14.5≤0.60-
S409004091.4512SUS409≤0.08≤1.00≤0.045≤0.03≤1.0010.5-11.75≤0.50-
S430004301.4016SUS430≤0.12≤1.00≤0.040≤0.03≤0.7516.0-18.0≤0.60-
S434004341.4113SUS434≤0.12≤1.00≤0.040≤0.03≤1.0016.0-18.0--
S444004441.4521SUS444L≤0.025≤1.00≤0.045≤0.03≤1.0017.5-19.5≤1.00-
S40300403-SUS403≤0.155.5-7.5≤0.04≤0.03≤0.5011.5-13.0≤0.60-
S4100004101.40006SUS410≤0.15≤1.00≤0.035≤0.03≤1.0011.5-13.5≤0.60≤1.00
S420004201.4021SUS420J10.16~0.25≤1.00≤0.04≤0.03≤1.0012.0-14.0≤0.75≤1.00
S440A440A1.4028SUS440A0.60~0.75≤1.00≤0.04≤0.03≤1.0016.0-18.0-≤0.75
S32750SAD25071.441
≤0.03≤1.2≤0.035≤0.02≤0.8024.0-26.06.0-8.03.0-5.0
S31803SAF22051.4462
≤0.03≤2.0≤0.03≤0.02≤1.0021.0-23.04.0-6.52.5-3.5
N08904904L1.4539
≤0.0.3≤2.0≤0.035≤0.03≤1.0018.0-20.023.0-25.03.0-4.0


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