A213T91 Steel Tube Standard covers seamless ferritic and austenitic steel boiler, super heater, and heat-exchanger tubes. ASTM A213 T91tubes shall be made by the seamless process and shall be either hot finished or cold finished, as specified.
Chemical Composition(%) for ASTM A213 T91 Steel Tube
UNS Designation |
K31545
|
Carbon
|
0.05–0.15
|
Manganese
|
0.30–0.60
|
Phosphorus
|
0.025
|
Sulfur
|
0.025
|
Silicon
|
0.50–1.00
|
Nickel
|
…
|
Chromium
|
2.65–3.35
|
Molybdenum
|
0.80–1.06
|
Vanadium
|
…
|
Boron
|
…
|
Niobium
|
…
|
Nitrogen
|
…
|
Aluminum
|
…
|
Tungsten
|
…
|
Other Elements
|
…
|
Tensilestrength(min) |
415Mpa
|
Yieldstrength(min)
|
220Mpa
|
Elongation
|
30%
|
Deliverycondition
|
annealed
|
WT：1-50mm
OD：10.3-508mm
Length：Max 13 meter
We can supply any size based on customer΄s requirements.
Standard：AISI, ASTM, BS, DIN, GB, JIS
Surface：Annealed / cold pilgered
OD：10.3-508mm
Length：Max 13 meter
We can supply any size based on customer΄s requirements.
Standard：AISI, ASTM, BS, DIN, GB, JIS
Surface：Annealed / cold pilgered
We have our own processing factory and the pre- treatment factory, Surface pretreatment line technical parameters on steel plates and profile steel. And we can also make the customers enjoy our other pre-treatment services, like cutting, welding, drilling holes, galvanizing by the lowest cost price. We are a professional ASTM A213 T91tubes exporter and Stockist in china. Any need of ASTM A213 T91tubes, please feel free to contact us by email or calling to us by email imfo@Katalor.com.
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