304SS

Product Specifications ·Standards:ASTM A269,ASTM A213/ASME SA213(Seamless Tubes)

·Standards:ASTM A268,ASTM A249/ASME SA249(Welded Tubes)

Size Range ·Outer Diameter (OD):0.125″-5.000″

·Wall Thickness:0.010″-0.375″

Chemical Requirements(Composition %)

Element	UNS S30400(304)	UNS S30403(304L)
Carbon (C)	≤0.080%	≤0.030%
Mn(Mn)	≤2.00%	≤2.00%
P(P)	≤0.045%	≤0.045%
S (S)	≤0.030%	≤0.030%
Si (Si)	≤1.00%	≤1.00%
Cr(Cr)	18.00-20.00%	18.00-20.00%
Ni(Ni)	8.00-11.00%	8.00-12.00%

Dimensional Tolerances

Outer Diameter(OD)	OD Tolerance	Wall Thickness Tolerance
≤0.500″	±0.005″	±10%
0.500″-1.500″	±0.005″	±10%
1.500″-3.500″	±0.010″	±10%
3.500″-5.500″	±0.008″	±10%

Features

Excellent Corrosion Resistance: 304/L stainless steel offers outstanding resistance to corrosion, suitable for various environments. High Strength-to-Weight Ratio: Lightweight yet strong, ideal for demanding applications. Good Ductility: The material is flexible and suitable for various processing methods such as bending, flaring, and coiling. Dual Certification Materials: Mainly made of 304/L and 316/L stainless steel, meeting ASTM and ASME standards. Variety of Specifications: Diameter range from 0.125 inches to 5.000 inches, wall thickness from 0.010 inches to 0.375 inches. Strict Dimensional Tolerances: Ensures tubes meet precision manufacturing requirements. Good Mechanical Properties: Yield strength ≥ 30 ksi, tensile strength ≥ 75 ksi, hardness ≤ 90 HRB, elongation ≥ 35%. Good Weldability: Low sulfur content enhances welding quality.

Applications

304/L stainless steel tubes, with their excellent corrosion resistance and mechanical properties, are widely used in: Hydraulic and instrumentation tubing systems Chemical and oil & gas industries Food and beverage processing equipment Pharmaceutical and biotechnology industries Marine and shipbuilding industries Aerospace and automotive manufacturing Heat exchangers and boiler systems Architectural decoration and stainless steel structures