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A213 T23 alloy boiler steel pipe is a special ferritic alloy steel pipe widely used in high temperature and high pressure environments.
ASTM A213 T23 alloy steel seamless pipe is composed of carbon, manganese, phosphorus, sulfur, silicon, molybdenum and chromium, with tungsten as a stabilizer. The minimum tensile strength is 510MPa, the minimum yield strength is 400MPa, and the maximum hardness is 220HB.
SA213 T23 seamless boiler steel pipe is widely used in many fields such as boiler superheater and reheater cylinder and manifold plate of complex fossil fuel control devices and waste heat boilers. It is also used in recovery steam generators and other applications requiring high temperatures and pressures. This steel pipe is particularly suitable for use at high temperatures, such as headers and steam funnels in fossil fuel control plants.
GNEE produces dimensions that comply with ASTM, ASME and API standards. T23 boiler tubes are available in outside diameters ranging from ½ inch to 5 inches, with varying lengths and wall thicknesses. Available in lengths up to 2500mm or custom lengths and wall thicknesses up to 200mm. Depending on wall thickness and outer diameter; T23 alloy steel pipe specifications range from sch20 to XXS.
If your project engineering needs it, please contact us for a complete price list of your order or product. sales@gneetube.com
Chemical constituents of SA213 T23 seamless pipe
| Grade | C | Mn | S | P | Si | Cr | Nb | Mo | V | Al | N | W | B |
| SA213 T23 | 0.04-0.10 | 0.10-0.60 | ≤0.01 | ≤0.03 | ≤0.50 | 1.9-2.6 | 0.02-0.08 | 0.05-0.30 | 0.20-0.30 | ≤0.03 | ≤0.40 | 1.45-1.75 | 0.0005-0.0060 |
Mechanical properties of SA213 T23 pipe
| Grade | Tensile strength Ksi (MPa) | Yield strength Ksi (MPa) | Elongation (%) | Hardness (HB) |
| SA213 T23 | ≥74(510) | ≥58(400) | ≥20 | ≥220 |
Heat treatment of SA213 T23 boiler tube
| Grade | UNS Number |
Heat Treat Type | Austenitizing/ Solutioning Temperature, min or range ºF [ºC] |
Subcritical Annealing or Tempering Temperature, min or range ºF [ºC] |
| T23 | K40712 | normalize and temper | 1900–1975[1040–1080] | 1350–1470 [730–800] |
SA213 T23 Boiler Tube Specifications
| Standards | ASTM A213, ASME SA213 |
| Equivalent Standards | EN 10216-2, ASTM A335, GOST 550-75 |
| Material | T23, K11562 |
| Material | 13CrMo44, 1.7335, 13CrMo4-5, P12, 14CrMo3, 620-440, TU 13 CD 4-04 |
| Specialized in | Large Diameter Size |
| Outer Dimensions | 6-2500mm; WT:1-200mm |
| Wall Thickness | Schedule 3mm to 15mm. |
| Length | max 1~12m |
| Schedule | STD, SCH40, SCH80 |
| Standard | ASTM A213 T23, SA213 T23 (with IBR Test Certificate) |
ASTM A213 Low Alloy Steel Tubes

GNEE products have been sold to hundreds of large and medium-sized cities in China. Also exported to India, Thailand, Vietnam, Iran, Turkey, Brazil, Egypt and other countries. The company has passed ISO9001 quality management system certification, American Petroleum Institute API-5CT, API-5L certification, special equipment production license, BV certification and other third-party qualification certifications.
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FAQ
1.Q.How do we trust your company?
A. We specialist in steel business for many years, authenticated by SGS,welcome to visit our factory.
2. Q: What services do you provide?
A: Customized service for each customer, please feel free to contact us!
3.Q.Do you have quality control?
A.Yes, we have got BV.SGS certification.
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