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Stainless Steels

Stainless steels are a special class of steel alloys known primarily for their corrosion resistant properties. The stainless characteristics associated with these alloys are achieved through the formation of an invisible and adherent chromium-rich oxide surface film that, when damaged, has the unusual ability to heal itself in the presence of oxygen. In order for an alloy to be classified as a stainless steel it must contain at least 11.5 wt% Cr, with at least 12 wt% Cr required for aqueous corrosion resistance. At 12 wt% Cr, they become passive in aqueous solutions. There are five main classes of stainless steels, designated in accord with their crystallographic structure. Each class consists of several alloys of somewhat differing composition having related physical, magnetic, and corrosion properties.

316L (19205)

304 (UNS S30400 - Material No. 1.4301)

METALCOR_1.4301_AISI_304.pdf

304L (UNS S30403 - Material No. 1.4306)

METALCOR_1.4306_AISI_304_L.pdf

304L (UNS S30403 - Material No. 1.4307)

METALCOR_1.4307_AISI_304_L.pdf

310 Mo LN (UNS S31050 - Material No. 1.4466)

METALCOR_1.4466_AISI_310_MOLN.pdf

254 SMO (UNS S31254 - Material No. 1.4547)

METALCOR_1.4547_254_SMO.pdf

316L (UNS S31603 - Material No. 1.4404)

METALCOR_1.4404_AISI_316_L.pdf

316Ti (UNS S31635 - Material No. 1.4571)

METALCOR_1.4571_AISI_316_TI.pdf

317L (UNS S31700 - Material No. 1.4438)

METALCOR_1.4438_AISI_317_L.pdf

321 (UNS S32100 - Material No. 1.4541)

METALCOR_1.4541_AISI_321.pdf

Welders NV

Established in 1948, dedicated to the design and manufacturing of equipment in high alloys and exotic materials.

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