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Stainless Steel AISI 304L

Data sheet
DIN EN 10088-3
Grade AISI 304L / EN 1.4307


Grade AISI 304L / EN 1.4307 is an austenitic stainless steel with a low carbon content. It has excellent welding properties and a good corrosion resistance. This stainless steel grade is suitable for welding and cold forming and characterized by its low magnetizability.
Processing options include cold heading and polishing.

AISI 304L Stainless Steel Data Sheet

Specification of AISI 304L

EN-grade 1.4307
EN-short name X2CrNi18-9
EN-standard 10088-3
Microstructure austinite

Comparable standards and designations

AFNOR Z3CN19-09 *
AISI 304L *
BS 304S11 *

UNS S30403 *

S30403 *

SS 2352 *

(* in accordance with)

Chemical composition of stainless steel 1.4307

≤ 0,03
≤ 1,00
≤ 2,00
≤ 0,045
≤ 0,03
≤ 0,10
17,5 – 19,5
8,0 – 10,5

Mass fraction in % according to DIN EN 10088-3

Physical properties

Magnetizability: low

Density (kg/dm³): 7,9

Thermal conductivity (up to 20°C): 15

Electronic resistance at room temperature (in Ω mm²/m): 0,73

Possible areas of application

aerospace industry
automobile industry
chemical industry
food industry
mechanical engineering
and more

Heat treatment and hot forming

Solution heat treatment (cooling by air or water): 1000-1100 °C
Hot forming (cooling by air): 1200-900 °C


Grade AISI 304L / 1.4307 can be applied for a variety of different welding processes. This includes arc welding and TIG welding.

Please note, however, that the stainless steel grade Grade AISI 304L / 1.4307 is suitable only to a limited extent when employed for gas fusion welding and submerged arc welding.

Please note

The information given in this data sheet has been compiled to the best of our knowledge and is based on the current version of the relevant standard. It is considered for reference only and we assume no liability for any errors.

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