Stainless Steel 304 and 304L are austenitic grades that contain a higher chromium and nickel content, which provides outstanding resistance to oxidation and corrosion. This makes them ideal for applications in environments where exposure to moisture and chemicals is a concern. Triumph Metallic Overseas sources premium raw materials to manufacture flat bars that can withstand harsh conditions, ensuring longevity and minimal maintenance.

As a trusted supplier and stockist, we maintain a comprehensive inventory of Stainless Steel 304 and 304L flat bars in various sizes and finishes. This extensive selection allows us to meet the specific needs of our clients promptly. Whether you require standard sizes or custom dimensions, our team is equipped to fulfill your orders efficiently, ensuring that your projects proceed without delay.

Stainless Steel 304/304L Flat Bars Specifications

Standard	Specification
Material	Stainless Steel 304 / 304L
Standard	ASTM A276, ASTM A484 / ASME SA276, ASME SA484
Size Range	3 mm to 100 mm thickness, 10 mm to 500 mm width
Form	Flat Bars, Square Bars, Round Bars, Hexagonal Bars
Length	1000 mm to 6000 mm or as required
Surface Finish	Hot Rolled, Cold Rolled, Pickled & Annealed
Density	8.0 g/cm³
Melting Point	1400 - 1450 °C
Tensile Strength	515 MPa (min)
Yield Strength	205 MPa (min)
Elongation	40% (min)
Hardness	HRB 92 max
Corrosion Resistance	High resistance to corrosion and oxidation

Stainless Steel 304/304L Flat Bars Equivalent Grades

Standard	Grade
UNS	S30400 / S30403
WERKSTOFF NR.	1.4301 / 1.4307
EN	304 / 304L
JIS	SUS 304 / SUS 304L
ASTM	304 / 304L
BS	304S31 / 304S11

Stainless Steel 304/304L Flat Bars Chemical Composition (%)

Element	Composition (%)
Carbon (C)	0.08 max (304) / 0.03 max (304L)
Manganese (Mn)	2.00 max
Silicon (Si)	0.75 max
Phosphorus (P)	0.045 max
Sulfur (S)	0.030 max
Chromium (Cr)	18.0 – 20.0
Nickel (Ni)	8.0 – 10.5
Nitrogen (N)	0.10 max
Iron (Fe)	Balance

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