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STANDARD | WERKSTOFF NR. | UNS |
A213 T11 | 1.7335 | K11597 |
UNS Designation | K11597 |
Carbon | 0.05-0.15 |
Manganese | 0.30–0.60 |
Phosphorus | 0.025 |
Sulfur | 0.025 |
Silicon | 0.50-1.00 |
Nickel | … |
Chromium | 1.00-1.50 |
Molybdenum | 0.44-0.65 |
Vanadium | … |
Boron | … |
Niobium | … |
Nitrogen | … |
Aluminum | … |
Tungsten | … |
Other Elements | … |
Element | Alloy Steel T11 |
Tensile Strength | 415 min, MPa |
Yield Strength | 205 min, MPa |
Elongation | 30 % min |
Hot rolled | Outside Diameter, mm | Tolerance, mm |
Outer Diameter≤101.6 | +0.4/-0.8 | |
101.6<Outer Diameter≤190.5 | +0.4/-1.2 | |
190.5<Outer Diameter≤228.6 | +0.4/-1.6 | |
Cold Drawn | Outside Diameter, mm | Tolerance, mm |
Outer Diameter<25.4 | ±0.10 | |
25.4≤Outer Diameter≤38.1 | ±0.15 | |
38.1<Outer Diameter<50.8 | ±0.20 | |
50.8≤Outer Diameter<63.5 | ±0.25 | |
63.5≤Outer Diameter<76.2 | ±0.30 | |
76.2≤Outer Diameter≤101.6 | ±0.38 | |
101.6<Outer Diameter≤190.5 | +0.38/-0.64 | |
190.5<Outer Diameter≤228.6 | +0.38/-1.14 |
Hot rolled | Outside Diameter, mm | Tolerance, % |
Outer Diameter≤101.6, Wall Thickness≤2.4 | +40/-0 | |
Outer Diameter≤101.6, 2.4<Wall Thickness≤3.8 | +35/-0 | |
Outer Diameter≤101.6, 3.8<Wall Thickness≤4.6 | +33/-0 | |
Outer Diameter≤101.6, Wall Thickness>4.6 | +28/-0 | |
Outer Diameter>101.6, 2.4<Wall Thickness≤3.8 | +35/-0 | |
Outer Diameter>101.6, 3.8<Wall Thickness≤4.6 | +33/-0 | |
Outer Diameter>101.6, Wall Thickness>4.6 | +28/-0 | |
Cold Drawn | Outside Diameter, mm | Tolerance, % |
Outer Diameter≤38.1 | +20/-0 | |
Outer Diameter>38.1 | +22/-0 |
Food Processing Industry |
Fabrication Industry |
Oil and Gas Industry |
Chemical Industry |
Plumbing |
General Purpose Applications |
Heating |
Water Supply Systems |
Power Plant |
Paper & Pulp Industry |
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SA 213 T11 is a grade of low ferritic alloy steel used in high-temperature applications. It contains 1-1.50% chromium, 0.44-0.65% molybdenum, and 0.30-0.60% manganese, with small amounts of silicon, carbon, phosphorus, and sulfur.
SA 213 T11, also known as ASTM A213 T11, has several equivalent designations depending on the standard used. Some common matches include EN 10216-2 Grade T11, ASTM A335 Grade P11, and GOST 550-75 T11.
T11 material grade is a low-alloy ferritic steel containing carbon, silicon, manganese, nickel, phosphorus, chromium, sulfur, and molybdenum. The composition, with around 0.5% carbon and 1% chromium, provides T11 with good strength and corrosion resistance, making it suitable for high-temperature applications.