A213 T9 Alloy Steel Heating Tube
GNEE sells more than 1,500 tons of seamless and welded steel pipes to various engineering industries every year. Our goal is to ensure that our customers have the highest expectations for the delivery and product quality of A213 Gr.T9 heating pipes.
The most important additive of A213 T9 alloy steel pipe is chromium, which is almost irreplaceable in resisting oxidation at high temperatures. Chromium improves tensile, yield and hardness at room temperature. The composition of A213 T9 chromium-molybdenum alloy steel pipe makes it a preferred choice in extremely high temperature and corrosive environments.
A213 Gr.T9 alloy heating pipe is used to heat the medium, usually to transfer heat to water, air, oil to increase its temperature. Therefore, A213 T9 seamless heating pipe is mainly used in power plants, refineries, and petrochemical plants.
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A213 T9 Alloy Tube Product specification
ASTM A213 T9 Alloy Steel Seamless Tubes chemical compositions
| Composition, % | ||||||||||
| Grade | UNS Designation | Carbon | Manganese | Phosporus | Sulphur | Silicon | Nickel | Chromium | Molybdenum | Vanadium |
| T9 | K90941 | 0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.03 | … | 1.00-1.50 | 0.90-1.10 | … |
ASTM A213 T9 Seamless Tubes Permissible Variation in Wall Thickness
| Hot rolled | Outside Diameter, mm | Tolerance, % |
| OD≤101.6, WT≤2.4 | +40/-0 | |
| OD≤101.6, 2.4＜WT≤3.8 | +35/-0 | |
| OD≤101.6, 3.8＜WT≤4.6 | +33/-0 | |
| OD≤101.6, WT>4.6 | +28/-0 | |
| OD>101.6, 2.4＜WT≤3.8 | +35/-0 | |
| OD>101.6, 3.8＜WT≤4.6 | +33/-0 | |
| OD>101.6, WT>4.6 | +28/-0 | |
| Cold Drawn | Outside Diameter, mm | Tolerance, % |
| OD≤38.1 | +20/-0 | |
| OD>38.1 | +22/-0 |
A213 T9 Hot processing Alloy pipe
Why choose us
Gnee has 14 steel production lines, 10 processing equipment for processing, bending, painting, heat treatment, cutting, drilling, beveling, tempering, surface treatment, complete testing equipment and strong technical force. The annual production capacity is more than 60,000 tons.
GneeGroup participated in the exhibition
FAQ
1.Q.What's your advantage?
A.Honest business with competitive price and professional service on export process.
2.Q.Can your products be customized?
A.Yes, we can produce and process according to your requirements.
3.Q. Do you have a quality control system?
A.Yes, we have our own quality control laboratory.
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