SA213 T91 Hot Finished Tube
GNEE specializes in the production of ASTM A213 T91 seamless steel pipes that meet international specifications. It has excellent mechanical properties and a wide range of applications. Combining the above advantages, we can provide products that best meet customer requirements
The composition of ASTM A213 T91 alloy steel pipe materials contains carbon, manganese, phosphorus, sulfur, silicon, molybdenum and chromium. The composition of ASTM A213 T91 seamless alloy pipe makes it highly resistant to thermal fatigue, and has high heat transfer and low thermal expansion at high temperatures, and is widely used to manufacture pipes required by industry.
SA213 T91 Hot Finished steel Tube is produced by seamless hot rolling process, which has the advantages of good welding process performance, high durability strength and oxidation resistance. SA213 T91 hot-finished pipe must be cooled in a hydrogen atmosphere to ensure that the bright surface will not change due to high temperature oxidation.
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SA213 T91 hot processed steel pipe Product specification
Chemical Composition of ASTM A213 T91 Seamless Boiler Tubes
| Chemical Composition(%) | |||||||||||
| C | Mn | P | S | Si | Cr | Mo | V | N | Ni | Al | Nb |
| 0.07-0.14 | 0.3-0.6 | ≤0.02 | ≤0.01 | 0.2-0.5 | 8.0-9.5 | 0.85-1.05 | 0.18-0.25 | 0.03-0.07 | ≤0.4 | ≤0.04 | 0.06-0.10 |
Mechanical Properties of ASTM A213 T91 Seamless Boiler Tubes
| Low Alloy Steels | ||||||
| Grade | UNS Designation |
Tensile Strength, min, ksi [MPa] |
Yield Strength, min, ksi [MPa] |
Elongation in 2 in. or 50 mm, min, % |
Hardness | |
| Brinell/Vickers | Rockwell | |||||
| T91 | K90901 | 85 [585] | 60 [415] | 20 | 190 to 250 HBW/ 196 to 265 HV |
90 HRB to 25 |
SA213 T91 hot rolled seamless pipe
Advantages of Choosing GNEE
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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