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Phone: +86-577-85858287 丨 Email: sales@bstpsteel.com

TP316Ti ,UNS S31635,1.4571, X6CrNiMoTi17-12-2
Material No.1.4571
EN symbol  X6CrNiMoTi17-12-2
B.S.320 S 17, 320 S18, 320 S31
StandardsEN 10088-3


This is one of the family of 17%Cr12-13%Ni steels containing Mo of 2,0-2,4% stabilized with Ti which minimizes chromium carbide precipitation and improves resistance to intergranular corrosion. In the damp industrial or coastal atmospheres of Europe, they perform better than TP 304/304L and ferritic grades. In low temperature seawater they offer limited resistance to pitting but are susceptible to crevice attack. Their short- and long-time properties at elevated temperatures are also superior to those of comparable TP 304/304L grades.Resistance to sensitisation is achieved in Alloy 316Ti with titanium additions to stabilise the  against chromium carbide precipitation, which is the source of sensitisation. This stabilisation is achieved by an intermediate temperature heat treatment, during which the titanium reacts with carbon to form titanium carbides. This significantly reduces susceptibility to sensitisation in service by limiting the formation of chromium carbides. Thus, the alloy can be used for extended periods at elevated temperatures without compromising its corrosion resistance. 316Ti has equvilent corrosion resistance to sensitisation as the low carbon version 316L.

Chemical composition (%)

1.45710.0702.000.0400.0151.0010.0-13.016.5-18.52.0-2.5 0.11 

Mechanical Properties:

GradeTensile StrengthYield Strength 0.2%Elongation -% in  50 mm (min.)HardnessHardness
ksi (min.)Offset ksi (min.)(Brinell) MAX(Rockwell B) MAX
316Ti   75303521595

Convert ksi to Mpa Formula:  ksi/0.1450377

Welding filler for welded pipe & tube

1.4430, 1.4576


Main fields of application(depending on the specific conditions of use)

Initially developed for use in paper mills 316Ti stainless steel is now typically used in:

Chemical industry, textile industry, cellulose industry,pharmaceutical industry 
Food processing equipment
Brewery equipment
Chemical and petrochemical equipment
Laboratory benches & equipment
Coastal architectural panelling
Coastal balustrading
Boat fittings
Chemical transportation containers
Heat exchangers
Mining screens