Leading Manufacturer of TP321 Stainless Tubes (ASTM A312 / ASME SA312) in China
TP321 Stainless Tubes, engineered to ASTM A312 and ASME SA312 standards, are designed for high-temperature and corrosive environments. Featuring seamless and welded construction, these austenitic stainless steel tubes provide exceptional strength, durability, and resistance. With optimal performance under demanding conditions, they are an ideal choice for diverse industrial applications requiring reliability and compliance with global standards.

TP321 Stainless Steel Tubes Specifications
Property | Details |
---|---|
Standard | ASTM A312 / A312M, ASME SA312 |
Type | Seamless, straight-seam welded, and heavily cold-worked welded tubes |
Size Range | Outer Diameter: 10mm, 15mm; Wall Thickness: 1mm, 1.5mm |
Shape | Round |
Length | Single random, double random, or customized as per customer requirements |
Chemical Composition | Carbon (C): ≤0.08%, Manganese (Mn): ≤2%, Phosphorus (P): ≤0.045%, Sulfur (S): ≤0.03%, Silicon (Si): ≤1%, Chromium (Cr): 17.0–19%, Nickel (Ni): 9.0–12%, Titanium (Ti): 5×(C+N) min, 0.70% max |
Mechanical Properties | Tensile Strength: ≥515 MPa, Yield Strength: ≥205 MPa, Elongation: ≥35% |
Heat Treatment | Cold Worked: 2000°F (1100°C); Hot Worked: 1925°F (1050°C) |
Testing Requirements | Each tube undergoes either a hydrostatic test or a nondestructive electric test |
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Maximize performance with TP321 Stainless Tubes, designed for high-temperature and corrosion resistance. Ideal for petrochemical, aerospace, and industrial applications, these tubes are available in seamless and welded forms. Explore our range or contact us today for customized solutions and competitive pricing!