1.4319 seamless stainless steel tubing

Type 301L stainless steel (UNS S30103) is also an austenitic steel with a normal composition of 17% chromium and 7% nickel.

301L is slightly better at corrosion resistance because it has slightly less carbon. But 301L also has good ductility. But it's not as strong as 301.

It is ideal for a variety of jobs involving forming, stretching and welding. Like Grade 301, 301L is available in a variety of conditions, including full-hard, 1/2-hard, and 1/4-hard conditions. 301L is slightly inferior to 301 in terms of heat resistance and has a lower melting range. 301L steel becomes magnetic when cold worked, but like 301 steel, is non-magnetic when annealed.

Common Name: 301L Stainless Steel is also known as ATI 301L.

Chemical Composition

Grade Content	Grade 301L	UNS S30103	JIS G4305	DIN 1.4319
Carbon, C	0.03	0.03	0.03	0.03
Manganese, Mn	2.0	2.0	2.0	2.0
Silicon, Si	1.0	1.0	1.0	1.0
Phosphorous, P	0.045	0.045	0.045	0.045
Sulfur, S	0.030	0.030	0.030	0.030
Chromium, Cr	16-18	16-18	16-18	16-18
Nickel, Ni	6.0-8.0	6.0-8.0	6.0-8.0	6.0-8.0
Nitrogen, N	0.20	0.20	0.20	0.20
Molybdenum, Mo	-	-	-	-

product feature

301L stainless steel has better thermal conductivity than 301 between 20°C to 500°C or 68°F to 932°F
301L has a slightly higher specific heat than 301 at 0°C to 100°C (32°F to 212°F).
Resistivity at 20°C (68°F) slightly higher than 301

application

1.4319 Application areas: Mainly used for equipment and components that bear higher loads in the cold working state and want to reduce the weight of the equipment and be rust-free, such as railway vehicles, conveyor belts, bolts, nuts, fasteners, etc.

In contrast, 304 contains low Ni, Cr and high C components, and can achieve high strength through cold working.

Compared with ordinary steel types, it has excellent high-temperature strength, fatigue strength and corrosion resistance, and is lightweight when used in trams.

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