Grade AISI 305 / EN 1.4303

Data sheet
DIN EN 10088-3
Grade AISI 305 / EN 1.4303

Grade AISI 305 / EN1.4303 is an austenitic steel with good corrosion resistance due to the higher nickel content of 11-13 %. This stainless steel grade is excellently suitable for welding and cold upsetting and has no magnetisability.
Other processing options include cold forming and polishing.

Physical properties

Magnetizability: No

Density (kg/dm³) 7,9

Thermal conductivity (up to 20°C) 15

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

Possible fields of application


automobile industry
chemical industry
construction industry
household appliance industry
vessel construction
and more


EN-grade 1.4303
EN-short name X4CrNi18-12
EN-standard 10088-3
AISI 305 *
B.S. 305S17 *
JIS SUS305 *
Microstructure austinite

(* in accordance with)

Heat treatment and hot forming


Solution heat treatment    1000-1100 °C

(cooling by air or water)

Hot forming    1200-900 °C

(cooling by air)



Grade 1.4303 can be applied for a variety of different welding processes such as arc welding or TIG welding. Please note, however, that this stainless steel grade is suitable only to a limited extent when employed for gas fusion welding and submerged arc welding.

Data sheet as pdf

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.


Do you have questions about our products?

Please contact us at +49 2263 / 9240-0 or via email

edelstahldraht 1.4307 nahaufnahme
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AGST Draht- und Biegetechnik GmbH

Overather Straße 118 | 51766 Engelskirchen | Germany

Tel. +49 (0) 22 63 / 92 40 - 0 | Fax +49 (0) 22 63 / 92 40 - 22 | @ agst(at)