ASTM A213 TP444 Seamless heat exchanger tubes
ASTM A213 TP444 is a specification for seamless ferritic and
austenitic alloy steel boiler, superheater, and heat exchanger
tubes. These tubes are primarily used in high-temperature and
corrosive environments.
TP444 is a grade of stainless steel that contains a higher
percentage of chromium and molybdenum compared to other stainless
steel grades. This composition provides excellent resistance to
corrosion, especially in chloride-containing environments.
Seamless heat exchanger tubes made from ASTM A213 TP444 are
typically used in applications such as chemical processing,
petrochemical plants, power generation, and waste heat recovery
systems. They are designed to withstand high temperatures and
pressure conditions while maintaining their corrosion resistance
properties.
These tubes are manufactured using a seamless process, which
ensures uniformity in wall thickness and dimensional accuracy. They
are available in various sizes and lengths to suit different heat
exchanger designs and requirements.
ASTM A213 TP444 seamless heat exchanger tubes undergo various tests
and inspections to ensure their quality and compliance with the
specified standards. These tests include chemical analysis,
mechanical properties testing, hydrostatic testing, non-destructive
testing, and dimensional inspection.
Overall, ASTM A213 TP444 seamless heat exchanger tubes are a
reliable and durable choice for applications that require
high-temperature and corrosion resistance properties.
A213 TP444 seamless tubes Chemical Composition
Chemical Composition % Austenitic and Ferritic Stainless Seamless
tube |
Grade | UNS | C | Mn | P | S | Si | Cr | |
A213 TP444 | S44400 | 0.03 | 1 | 0.04 | 0.03 | 1 | 17.5-19.5 | |
Ni | Mo | N | Ni | Ti | Co | Ta |
| 1.75-2.5 | 0.035 | | | | |
A213 TP444 seamless tubes Property
Tensile and Hardness Requirements A213 TP444 Seamless pipes |
Grade | UNS | Tensile | Yield | Elongation | Hardness | |
A213 TP444 | S44400 | min | min | mikn | HBW | HRB | Max | |
415 | 275 | 20 | | | | |
217 | 96 | | |