ASTM A213 T11 Alloy Steel Pipe For Petrochemical and Refining Industries
ASTM A213 T11 Alloy Steel Pipe For Petrochemical and Refining Industries
Specification
ASTM A213 T11 alloy steel pipe is a seamless, chrome-moly steel tube designed for high-temperature applications such as boilers, superheaters, and heat exchangers. Its chemical composition, which includes 1.00-1.50% chromium and 0.44-0.65% molybdenum, provides enhanced strength, creep resistance, and durability under extreme temperatures and pressures.
| American Standard | Standard Name |
| A213 / A213M | Seamless Ferritic and Austenitic Alloy-steel Boiler,Superheater and Heat-Exchanger Tubes |
ASTM A213 T11 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 |
| T11 | K11597 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
ASTM A213 T11 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 | |||||
| T11 | K11597 | 60 [415] | 30 [205] | 30 | 163 HB/170 HV | 85 HRB |
ASTM A213 T11 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] |
| T11 | K11597 | full or isothermal anneal | - |
| normalize and temper | 1200[650] |
ASTM A213 T11 Alloy Steel Pipe Manufacturing Proces
ASTM A213 T11 Alloy Steel Pipe Application
- Power Generation Boilers
- Petrochemical and Refining Industries
- Components Exposed to Sulfur Corrosion
- High-Temperature Piping Systems
- Thermal Processing and Heat Treating Equipment
ASTM A213 T11 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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