ASTM A213 T2 Alloy Steel Pipe Boiler Superheater and Heat-Exchanger Tubes
ASTM A213 T2 Alloy Steel Pipe Boiler Superheater and Heat-Exchanger Tubes
Specification
ASTM A213 T2 is a seamless ferritic alloy steel tube used in high-temperature applications like boilers, superheaters, and heat exchangers. It is a type of chrome moly pipe, meaning it contains chromium, molybdenum, and other alloying elements that give it excellent strength, ductility, and corrosion resistance, with a specific composition of approximately 0.50-0.81% chromium and 0.44-0.65% molybdenum. Key mechanical properties include a minimum tensile strength of 415 MPa and a minimum yield strength of 205 MPa.
| American Standard | Standard Name |
| A213 / A213M | Seamless Ferritic and Austenitic Alloy-steel Boiler,Superheater and Heat-Exchanger Tubes |
ASTM A213 T2 Alloy Steel Pipe Chemical Composition
Sources American Standard A213 / A213M TABLE 1 Chemical Composition Limits, % , for Low Alloy Steel
| Grade | UNS Designation |
C | Mn | P | S | Si | Cr | Mo |
| T2 | K11547 | 0.10-0.20 | 0.30-0.61 | 0.025 | 0.025B | 0.10-0.30 | 0.50-0.81 | 0.44-0.65 |
ASTM A213 T2 Alloy Steel Pipe Mechanical Properties
Sources American Standard A213 / A213M TABLE 4 Tensile and Hardness Requirements
| Grade Low Aloy Steels: |
UNS Designation |
TensileStrength. min, ksi [MPa] |
Yield Strength ,min, ksi [MPa] |
Elongationin 2 in. or 50 mm. min, %B.C |
HardnessA | |
| Brinell/Vickers | Rockwell | |||||
| T2 | K11547 | 60 [415] | 30 [205] | 30 | 163 HB/170 HV | 85 HRB |
ASTM A213 T2 Alloy Steel Pipe Heat Treatment
Sources American Standard A213 / A213M TABLE 3 Heat Treatment and Grain Size Requirements A
| Grade Ferritic Alloy Steels |
UNS Designation |
Heat Treatment Type | Subcritical Annealingor TemperingTemperature,min or range °F [°C] |
| T2 | K11547 | full or isothermal | - |
| anneal: or nommalize and temper,or |
- | ||
| subcritical anneal | 1200 to 1350 [650 to 730] |
ASTM A213 T2 Alloy Steel Pipe Manufacturing Proces
ASTM A213 T2 Alloy Steel Pipe Application
- Power Generation Boilers
- Petrochemical Industry
- Oil & Gas Refining
- Pressure Vessel Service
- Fired Heaters
ASTM A213 T2 Alloy Steel Pipe Packing & Loading
a. 1/2"-2"Plain end with black oil paint, caps both ends, bundles with loading belt.
b. 2"-4"Beveled end with black oil paint, caps both ends, bundles with loading belt.
c. 10"-20"Beveled end with black oil paint, caps both ends, loose packed in to container.
→Alloy Steel Pipes is transported in containers
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