ASTM A213 / ASME SA213 Grade T12 Seamless Alloy Steel Tube 13CrMo44 Boiler Tube
ASME SA213 / ASTM A213 T12 / 13CrMo44 Alloy Steel Tube Seamless Boiler Tube
ASTM A213 / ASME SA213 Grade T12 is a standard specification for seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes. Grade T12 is a low-alloy steel containing chromium and molybdenum. It is widely recognized for its creep strength, oxidation resistance, and corrosion resistance at elevated temperatures. The designation 13CrMo44 is its German/DIN equivalent (old standard, now superseded by 1.7335 / 13CrMo4-5 in EN 10028-2), which is frequently used interchangeably in global procurement. Choose T12 when your design metal temperature is between 425°C and 540°C, your fuel is standard coal/gas (not heavy sulfur crude), and you require a highly weldable, fatigue-resistant tube that will not break the budget.
Equivalent Grades of ASME SA213 Grade T12 Seamless Alloy Steel Tube 13CrMo44 Boiler Tube
|
Standard |
EN |
UNS |
DIN |
GB |
|---|---|---|---|---|
|
Grade T12 |
13CrMo44 |
UNS K11562 |
13CrMo4-5 |
14CrMo3 |
Chemical Compositions of ASME SA213 Grade T12 Seamless Alloy Steel Tube 13CrMo44 Boiler Tube
| C | Mn | P | S | Si | Cr | Mo |
|---|---|---|---|---|---|---|
| 0.15 Maximum | 0.30 To 0.60 | 0.025 Maximum | 0.025 Maximum | 0.5 To 1.00 | 1.0 To 1.5 | 0.44 To 0.65 |
Mechanical Properties of ASME SA213 Grade T12 Seamless Alloy Steel Tube 13CrMo44 Boiler Tube
|
Tensile Strength |
Yield Strength |
Elongation |
HBW |
|---|---|---|---|
|
415 min |
205 min |
30 min |
163 max |
Why Choose ASTM A213/ASME SA213 Grade T12 Tube?
Selecting Grade T12 is a strategic engineering compromise. It is not the strongest alloy (T91 beats it), nor the cheapest (carbon steel beats it), nor the most corrosion-resistant (stainless beats it).
Instead, T12 is chosen because it occupies the "sweet spot" on the performance-cost curve for medium-temperature, high-pressure boiler applications.
Application
This tube is specifically engineered for severe service conditions in power generation and petrochemical industries:
-
Superheaters and reheaters in utility boilers.
-
Water wall panels and economizers.
-
High-pressure steam pipelines.
-
Heat exchangers operating under high pressure and elevated temperatures.
-
Refinery process furnace tubes.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.