Top ASTM A312 TP304, TP316, TP321, TP347 Stainless Pipes Supplier in China
ASTM A312 TP304, TP316, TP321, and TP347 stainless pipes deliver exceptional performance in high-temperature and corrosive environments. Available in seamless and welded variants, these pipes meet ASTM A312/ASME SA312 standards, ensuring durability and reliability for demanding industrial applications, including petrochemical and chemical processing, heat exchangers, and power generation systems.

Home - Products - Stainless Steel Welded Pipe - ASTM A312 TP304, TP316, TP321, TP347 Stainless Pipes
Specification Chart for Stainless Steel Pipes
This table provides essential insights into stainless steel pipe properties, offering engineers and industries a reliable reference for selecting durable, high-performance materials tailored to demanding operational and environmental challenges.
Grade | Chemical Composition | Mechanical Properties | Size Range | Schedules | Wall Thickness | End Types | Applications |
---|---|---|---|---|---|---|---|
TP304 | C: ≤ 0.08%, Mn: ≤ 2.00%, P: ≤ 0.045%, S: ≤ 0.03%, Si: ≤ 1.00%, Cr: 18.0–20.0%, Ni: 8.0–11.0% | Tensile Strength: ≥ 515 MPa, Yield Strength: ≥ 205 MPa, Elongation: ≥ 35% | 1/8” to 24” (10.3mm to 610mm) | 10s, 20, 40s, 40, 60, 80s, 80, 100, 120, 140, 160, XXH | 1mm to 60mm | Plain End, Beveled End, Threaded | High-temperature and corrosive environments, petrochemical, power generation |
TP316 | C: ≤ 0.08%, Mn: ≤ 2.00%, P: ≤ 0.045%, S: ≤ 0.03%, Si: ≤ 1.00%, Cr: 16.0–18.0%, Ni: 10.0–14.0%, Mo: 2.00–3.00% | Tensile Strength: ≥ 515 MPa, Yield Strength: ≥ 205 MPa, Elongation: ≥ 35% | 1/8” to 24” (10.3mm to 610mm) | 10s, 20, 40s, 40, 60, 80s, 80, 100, 120, 140, 160, XXH | 1mm to 60mm | Plain End, Beveled End, Threaded | High-temperature and corrosive environments, petrochemical, power generation |
TP321 | C: ≤ 0.08%, Mn: ≤ 2.00%, P: ≤ 0.045%, S: ≤ 0.03%, Si: ≤ 1.00%, Cr: 17.0–19.0%, Ni: 9.0–12.0%, Ti: 5 × (C+N) min, 0.70 max | Tensile Strength: ≥ 515 MPa, Yield Strength: ≥ 205 MPa, Elongation: ≥ 35% | 1/8” to 24” (10.3mm to 610mm) | 10s, 20, 40s, 40, 60, 80s, 80, 100, 120, 140, 160, XXH | 1mm to 60mm | Plain End, Beveled End, Threaded | High-temperature and corrosive environments, petrochemical, power generation |
TP347 | C: ≤ 0.08%, Mn: ≤ 2.00%, P: ≤ 0.045%, S: ≤ 0.03%, Si: ≤ 1.00%, Cr: 17.0–19.0%, Ni: 9.0–13.0% | Tensile Strength: ≥ 515 MPa, Yield Strength: ≥ 205 MPa, Elongation: ≥ 35% | 1/8” to 24” (10.3mm to 610mm) | 10s, 20, 40s, 40, 60, 80s, 80, 100, 120, 140, 160, XXH | 1mm to 60mm | Plain End, Beveled End, Threaded | High-temperature and corrosive environments, petrochemical, power generation |
our latest news

July 14, 2025
Stainless steel plates play a critical role in numerous industries, from construction and manufacturing...

July 11, 2025
The API 5L line pipe specification serves as a critical standard in the oil and gas industry, defining...
No posts found

Optimize Your Projects with ASTM A312 Stainless Pipes
Choose ASTM A312 TP304, TP316, TP321, TP347 stainless pipes for unmatched performance in high-temperature and corrosive environments. Perfect for industrial applications, these pipes offer exceptional durability and reliability. Available in diverse sizes and grades to meet your engineering demands. Enhance efficiency today! Contact us now!