YUHONG  GROUP CO.,LIMITED
YUHONG  GROUP CO.,LIMITED

TP321/321H Stainless Steel Seamless Tube

Alloy 321 (UNS 32100/1.4541/X6CrNTi810) is a titanium stabilized austenitic stainless steel with excellent corrosion resistance at normal temperatures. Also, it has good resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 800–1500°F (427–816°C). Alloy 321 has higher rupture properties than alloys 304 and 304L.


  • sa213 tp321 smls tube 6
  • sa213 tp321 smls tube 6

321/321H Stainless Steel Tube Specifications

Steel Grade300 Series, 321,321HTypeSeamless, Round Pipe/Tube
StandardASTM, AISI, GB, DIN, JISCertificationISO, SGS, BV, ISO/CE/SGS
Length3000-6000mm, CustomizedThickness0.41-12.7mm
TechniqueCold Rolled, Cold DrawnMin./Avg.Min./Avg.
Outer Diameter3.2-127mm, CustomizedFinishBrush Polish Cold Drawn, Pickled, Bright Annealed


Chemical Properties Of 321/321H Stainless Steel Seamless Tube

Alloy(%)

C

Mn

P

S

Si

Cr

Ni

Ti

321

0.08

2.00

0.045

0.03

1.00

17-19

9-12

5x(C+N)-0.70

321H

O.04-0.10

2.00

0.045

0.03

1.00

17-19

9-12

4x(C+N)-0.70






Mechanical Behavior of TP316/TP316L/TP316H Stainless Steel Seamless Tube

Mechanical Behavior

TS

YS

Elongation


MPa

MPa

%

321

515

205

35

312H

515

205

35



TP321/321H Stainless Steel Seamless Tube Highlight

321/321H stainless steel exhibits excellent corrosion resistance both at normal and high temperature. The titanium content of minimum five times the C %(4 times content on 321H) gives the material also possesses good creep strength, good resistance to chromium carbide precipitation and is very resistant to oxidation and intergranular corrosion up to 850ºC. 321H( UNS 32109) has higher carbon(0.04-0.10) version of the 321. It was developed for enhanced creep resistance and for higher strength at temperature above 537ºC. YUHONG can support you well with A213/SA213 TP321 seamless tube service.


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