ASTM A213 TP304 (1.4301) Seamless Stainless Steel Cold Drawn Exchanger Tube
1.ASTM A213 TP304(1.4301) Stainless Steel Seamless Tube
TP304 (often referred to simply as 304 or 1.4301 according to the European EN standard) is a grade of austenitic stainless steel. Its defining characteristic is the balanced chromium (Cr) and nickel (Ni) content (18-20% Cr, 8-10.5% Ni), which grants it good general corrosion resistance and formability. It’s a widely used general-purpose stainless steel, favored for cost-effectiveness and versatility, filling the demand for reliable materials in conventional service conditions.
ASTM A213 TP304 Stainless Steel Seamless Tube is a versatile, cost-effective tubular product designed for general corrosive and moderate-temperature environments, commonly used in piping systems, heat exchangers, and structural components.
2.Chemical Composition(%)
|
Element |
C |
Si |
Cr |
Mn |
P |
S |
Ni |
|
Range |
≤0.080 |
≤0.75 |
18.00-20.00 |
≤2.00 |
≤0.045 |
≤0.030 |
8.00-11.00 |
3.Mechanical Properties
|
Tensile Strength |
Yield Strength |
Hardness |
Elongation |
|
≥515 MPa |
≥205 MPa |
≤ 192 HB |
≥40% |
4.Equivalent Material of TP304
|
ASTM/AISI |
UNS NO |
EN |
ISO |
JIS |
GOST |
|
TP304 |
S30400 |
1.4301 |
X5CrNi18-10 |
SUS304 |
08X18H10 |
5.TP304 vs. Similar Materials
1.TP304 vs. TP321: TP304 is more cost-effective and general-purpose, suitable for most conventional corrosive environments. But it’s not recommended for welded assemblies in the sensitization temperature range (450℃ to 850℃), where TP321 (titanium-stabilized) offers better intergranular corrosion resistance.
2.TP304 vs. TP304L: TP304L is the low-carbon (C ≤ 0.03%) version of TP304. The "L" boosts post-weld intergranular corrosion resistance, while TP304 has slightly higher strength and is preferred for non-welded/gently welded general service.
6.Application of ASTM A213 TP304 Stainless Steel Seamless Tube
1.Food & beverage industry: Storage tanks, piping, and processing equipment (valued for hygiene and resistance to food-grade media);
2.Chemical industry: Piping and heat exchanger tubes for non-severe corrosive fluids (e.g., neutral/weakly acidic solutions);
3.Construction industry: Decorative components, building piping, and exterior cladding (benefiting from aesthetic appeal and atmospheric corrosion resistance);
4.Others: Medical equipment parts, kitchenware, and general pressure piping components.
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