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Material

Chemical Composition of TP321 TP321H




Represented by ASTM A213 and ASME SA 213 specification.

Grade TP321 TP321H EN 10216-5 1.4541
UNS Designation S32100 S32109
Carbon (C) Max. 0.08 0.04–0.10 0.08
Manganese (Mn) Max. 2.00 2.00 2.00
Phosphorous (P) Max. 0.045 0.045 0.040
Sulphur (S) Max. 0.03 0.03 0.015
Silicon (Si) Max. 1.00 1.00 1.00
Chromium (Cr) 17.0–20.0 17.0–20.0 17.0-19.0
Nickel (Ni) 9.0–12.0 9.0–12.0 9.0–12.0
Molybdenum (Mo) — —
Nitrogen (N) – –
Iron (Fe) Bal. Bal. Bal.
Other Elements Ti=5(C+N) to 0.70% Ti=4(C+N) to 0.70% Ti=5(C+N) to 0.70%
Element Weight Percentage Maximum
Unless Range is Specified
  TP321 TP347
Carbon* 0.08 0.08
Manganese 2.00 2.00
Phosphorus 0.045 0.045
Sulfur 0.030 0.03
Silicon 0.75 0.75
Chromium 17.00-19.00 17.00-19.00
Nickel 9.00-12.00 9.00-13.00
Columbium +
Tantalum** 		-- 10xC min to 1.00 max
Tantalum -- --
Titanium** 5x(C+N) min to 0.70 max --
Cobalt -- --
Nitrogen 0.10 --
Iron Balance Balance
  *Also H grade with Carbon 0.04 – 0.10%.
**H grade minimum stabilizer is different formula.

SA 213 TP 321 321H

General Properties
Chemical Composition
Resistance to Corrosion
Physical Properties
Mechanical Properties
Heat Treatment
Fabrication
Elevated Temperature Oxidation Resistance
Oxidation Behavior of Type 321 Stainless Steel Tube
321 S32100 Chemical Composition Comparison Table


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ASTM A213 | ASTM A269
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ASTM A789 | ASTM A790
ASTM B161 / ASME SB 161 | ASTM B111
EN 10216-5
ASTM A789 ASME SA 789 S31803 S32205 S32101 S32750 S32760 S32304 S31500 S31260 Seamless Tubes
EN 10216-5 1.4462 1.4362 1.4162 1.4410 1.4501 Seamless Tubes		 Nickel Alloy Tubing:

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C28000 Brass Seamless Tubes C44300 Brass Seamless Tubes
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