ASTM A213 TP444 Seamless heat exchanger tubes manufacturer
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ASTM A213 TP444 Seamless heat exchanger tubes manufacturer
ASTM A213 TP444 specification: This Standard Specification are for Seamless Ferritic and Austenitic Alloy-Steel Boiler Superheater and Heat-Exchanger Tubes.
This specification covers seamless ferritic and austenitic steel boiler, superheaterand heat-exchanger tubes. The Mainly Grade are TP201 TP202 XM19 TP309S TP309SL TO304H TP309SN TP309SLN TP309S TP309H TP310S, TP310H TP316,TP316L, TP316H, TP316TI, TP316N,TP316LN, TP317, TP317L, TP3221,TP321H, TP347 TP347H, TP348, TP348H andTP444.
Ryin Stainless factory is specialized in suppling welded pipe and seamless stainless pipes. All of A213 TP444 tubes are made by the seamless process and are either hot finished or cold finished as specified. Heat treatment shall be carried out separately and in addition to heating for hot forming.
All of austenitic stainless tubes shall be furnished in the heat treatment condition and shall be heat treated in accordance with the requirement of A213 Standards.
A213 TP444 seamless tubes production range:
Thickness: 0.5mm to 50mm
OD:10mm to 2500mm
A213 TP444 seamless tubes Tolerance:
| Permitted Variations in Average Wall Thickness for Hot Formed Tubes |
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| Tolerance in %, from specified |
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| NPS [DN] Designator Over Under |
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| 1⁄8 to 21⁄2 [6 to 65] incl, all t/D ratiosA 20 12.5 |
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| Above 21⁄2 [65], t/D # 5 %A 22.5 12.5 |
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| Above 21⁄2 [65], t/D > 5 %A 15 12.5 |
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| A t = specified wall thickness D = specified outside diameter |
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A213 TP444 seamless tubes Chemical Composition
| Chemical Composition % Austenitic and Ferritic Stainless Seamless tube |
| Grade |
UNS |
C |
Mn |
P |
S |
Si |
Cr |
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| A213 TP444 |
S44400 |
0.03 |
1.0 |
0.04 |
0.030 |
1 |
17.5-19.5 |
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| Ni |
Mo |
N |
Ni |
Ti |
Co |
Ta |
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1.75-2.5 |
0.035 |
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A213 TP444 seamless tubes Property:
| Tensile and Hardness Requirements A213 TP444 Seamless pipes |
| Grade |
UNS |
Tensile |
Yield |
Elongation |
Hardness |
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| A213 TP444 |
S44400 |
min |
min |
mikn |
HBW |
HRB |
Max |
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| 415 |
275 |
20 |
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| 217 |
96 |
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A213 TP444 Equal grade:
You can use the A213 TP444 or SA312 TP444 or A312 TP301 Seamless pipes
A213 TP444 seamless tubes Delivery time: 20days.
If you have purchase requirement at A213 TP444 seamless tubes, please feel free to contact us by email.
