1.4878 – UNS S 32109 – 321H

1.4878

321H

S 32109

Middle resistance to carburized gases. Low resistance to oxidized and reduced sulphuric gases. Application: industral furnace engineering

Mechanical Properties

Tensile strength:500-720N/mm²
Yield strength 0,2% :190≥ N/mm²
Elongation:40≥ %
Hardness HB30:215≤ HB

Chemical Composition

CARBON

C

0,10% max

SILICON

Si

1,00% max

MAGNESE

Mn

2,00% max

PHOSPHORUS

P

0,045% max

SULPHUR

S

0,015% max

CHROMIUM

Cr

17,0-19,0% max

NICKEL

Ni

9,0-12,0% max

1050-1100°C followed by water quenching

OTHER High Temperature stainless steels

EURONORM/DINWERKSTOFF NR.AISIUNSBRAND NAME
X6 CrNi 18-111.4948304HS 30409
X12 CrNiTi 18-91.4878321HS 32109
X6 CrNiNb 18-101.4550347HS 34709
X6 CrNiMo 17-131.4919316HS 31609
X5 NiCrAlTi 31-20
X8 NiCrAlTi 32-21		1.4958
1.4959		N 08810
N 08811		INCOLOY 800H/HT ®
X12 CrNi 25-211.4845310SS 31008

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pipes

flanges

fittings

plates

bars

forged fittings