ASTM A213 T115 Alloy Steel Tube Boiler,Superheater and Heat-Exchanger Tubes
ASTM A213 T115 Alloy Steel Tube Boiler,Superheater and Heat-Exchanger Tubes
Specification
ASTM A213 T115 alloy steel tube is designed for high-temperature service, primarily for boilers, superheaters, and heat exchangers. It is composed of chromium and molybdenum, giving it superior strength, high-temperature performance, and resistance to oxidation and corrosion. This material is a ferritic alloy steel with exceptional mechanical properties and thermal stress resistance, making it crucial for applications in power generation, oil and gas, and chemical processing.
| American Standard | Standard Name |
| A213 / A213M | Seamless Ferritic and Austenitic Alloy-steel Boiler,Superheater and Heat-Exchanger Tubes |
ASTM A213 T115 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 | Ni | Cr | Mo | V | B | Nb | N | Al | W | Others |
| T115 Heat |
K91060 | 0.08-0.13 | 0.2-0.5 | 0.02 | 0.005 | 0.15-0.45 | 0.25 | 10.0-11.0 | 0.4-0.60 | 0.18-0.25 | 0.001 | 0.02-0.06 | 0.03-0.070 | 0.02 | 0.05 | Ti 0.01 Zr 0.01 Cu 0.10 As 0.010 Sn 0.010 Sb 0.003 W 0.05 N/AI 4.0min CNBG10.5 max |
| T115 Product |
K91060 | 0.07-0.14 | 0.20-0.50 | 0.020 | 0.005 | 0.15-0.45 | 0.25 | 10.0-11.0 | 0.37-0.63 | 0.16-0.27 | 0.001 | 0.02-0.07 | 0.03-0.070 | 0.02 | ... | Ti 0.01 |
| G Chromium-Nickel Balance is defined as CNB = (Cr + 6Si + 4Mo +1.5W + 11V + 5Nb + 9Ti + 12AI) - (40C + 30N + 4Ni + 2Mn + 1Cu). | ||||||||||||||||
ASTM A213 T115 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 | |||||
| T115 | K91060 | 90 [620] | 65 [450] | 20 | 190 to 250 HBW/ 196 to 265 HV | 90 HRB to 25 HRC |
ASTM A213 T115 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 | Austenitizing/Solution Treatment StabilizingTemperature,min or range °F [°C] |
Subcritical Annealingor TemperingTemperature,min or range °F [°C] |
| T115 | K91060 | normalize and temper | 1920-2010[1050-1100] | 1380-1455[750-790] |
ASTM A213 T115 Alloy Steel Pipe Manufacturing Proces
ASTM A213 T115 Alloy Steel Pipe Application
- Advanced Ultra-Supercritical (A-USC) Power Boilers
- High-Efficiency Steam Cycles
- Main Steam Lines and Headers
- Replacement for Austenitic Stainless Steels
- Severe Service Petrochemical Applications
ASTM A213 T115 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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