Comprehensive Analysis of ASME SA213 T11 Seamless Steel Tube

1. Material characteristics and chemical composition

Material type: ASME SA213 T11 belongs to low-carbon alloy steel (carbon content 0.08-0.12%), with high temperature strength, oxidation resistance, and creep resistance, suitable for boiler and superheater components with wall thickness ≤ 30mm.

Chemical composition:

Core elements: carbon (C) 0.08-0.12%, chromium (Cr) 1.00-1.50%, molybdenum (Mo) 0.44-0.65%.

Other elements: manganese (Mn) 0.30-0.60%, silicon (Si) 0.50-1.00%, phosphorus (P) ≤ 0.025%, sulfur (S) ≤ 0.025%.

2. Physical and mechanical properties

Tensile strength: 610-650MPa, yield strength ≥ 415MPa, elongation ≥ 20%, suitable for high-pressure environments.

Temperature resistance: Long term use temperature ≤ 550 ℃, short-term can reach 580 ℃, with good thermal strength and steam corrosion resistance.

3. Manufacturing process and quality control

Production process: Adopting cold drawing, cold rolling or hot rolling processes, combined with heat treatment (such as normalizing+tempering) to optimize the microstructure and properties.

Inspection standards: Implement ASME SA-213/SA-213M specifications, covering chemical composition analysis, mechanical property testing, and non-destructive testing (such as ultrasonic testing).

4. Application Fields

Power industry: used for high-temperature superheaters, reheater tube banks, and turbine pipelines in supercritical boilers.

Petrochemical industry: suitable for hydrogenation reactors, oil pipelines, and high-temperature and high-pressure heat exchange equipment.

Industrial boiler: As a high-pressure boiler tube, it bears steam pressure and thermal cycle load.

5. Supporting services and certification

Processing services: providing customized processing such as laser welding, surface sandblasting and rust removal.

Certification and Standards: Complies with the dual standards of ASME and GB5310 (National Standard 20G), and meets the acceptance requirements of domestic and foreign projects.

summarize

ASME SA213 T11 seamless steel pipe has become a key material in the energy and heavy industry fields due to its high temperature stability, ease of processing, and wide applicability. Its technical parameters and supply flexibility (such as national stock and on-demand customization) can meet diverse engineering needs.