1.4608

Stainless Steel

1.4608

DIN stainless steel grade 1.4608 (X-series corrosion-resistant).

Chemical Composition (%)

C0.08
SI1
MN2
CR16
NI10
MO2
P0.045
S0.03

Mechanical Properties

Tensile:≥520 MPa;Yield:≥210 MPa;Elongation:≥40%

Equivalent Standards

EN equivalent

Equivalent Grades

DIN 1.4608

Applications

Corrosion-resistant parts, flanges, fasteners

Available Forms

Sheet,Bar,Plate

Uses

Austenitic stainless steel with excellent corrosion resistance, formability and weldability; non-magnetic in annealed condition. High nickel (≈12%) stabilises the austenite and improves toughness and pitting resistance. Molybdenum (≈2.5%) enhances resistance to chloride pitting and crevice corrosion — suited to marine and chemical service. Used in food processing, chemical plant, architecture, heat exchangers, kitchenware and medical devices.

Heat Treatment

Solution anneal 1010–1150 °C followed by rapid water quench to retain austenite; not hardenable by heat treatment. Sensitization avoided by low carbon or stabilizers (Ti/Nb).

Precautions

Weld with low-carbon or stabilized filler (e.g., 316L, 347) to avoid sensitization; passivate after fabrication. Not hardenable, but work-hardens rapidly — use sharp tools and rigid setups. Avoid chloride contact for 304 in warm service; specify 316/317 for marine or aggressive media.

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