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DELTA-TRADING GmbH Metallhandel

Alloy EN 1.4438 AISI 317L UNS S31703 Stainless steel

M.-nr. / EN DIN AISI UNS BS AFNOR GOST
1.4438 X2CrNiMo18-15-4 317L S31703 317 S 12 X2CrNiMo18-15-4
Products
Strips / foils
Sheets / plates
Profiles
Bars
Drawing profiles
Composition
C
≤ 0,03 %
Si
≤ 1,00 %
Mn
≤ 2,00 %
P
≤ 0,045 %
S
≤ 0,015 %
Cr
min. 17,5 % / max. 19,5 %
Mo
min. 3,00 % / max. 4,00 %
Ni
min. 13,0 % / max. 16,0 %
N
≤ 0,11 %
Paper
Scopes
chemical industry
pulp industry
transport container for chemicals
Features
higher corrosion resistance than AISI 316L, especially in highly corrosive environments with chlorides and halides
filler metals: 1.4440, 1.4438