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317L

DataTime:[5/5/2014]
Type Seamless & Welded Pipe Butt Weld Fittings Flanges & Pressure Fittings
Sizes 1/4" thru 16" 1/2" thru 12" All descriptions
Schedules Sch 10, 40, 80, 160, & XXH Sch 10, 40, 80, 160, & XXH
ASTM Standards
Bar Butt Weld Fittings Forgings Pipe, Welded & Seamless Tube, Welded Tube, Seamless Plate
A167 A403 A182 A312 A249 A213 A240
Minimum Physical Properties
Tensile Strength Yield Strength
75 KSI Min. 30 KSI Min.
Chemical Composition (wt%)
C Mn P S Si Ni Cr Fe Mo
0.03 Max 2.00 Max 0.04 Max 0.03 Max 0.03 Max 11.0 - 15.0 18.0 - 20.0 Balance 3.0 - 4.0

Properties

317L is a low-carbon stainless steel with increased additions of chromium, nickel and molybdenum for better corrosion resistance than type 316L. This steel resists attack from sulphurous, acetic, formic, citric and tartaric acids as well as combatting the tendency to pit when in contact with phosphorous acid, chlorides, bromides and iodides.

Applications

317L is used to handle sulphur, pulp liquor, acid dyestuffs, acetylating and nitrating mixtures, bleaching solutions, severe coal and oil smoke, and many chemical compounds. Some typical examples include:

* Paper and pulp handling equipment
* Textile equipment
* Food-processing equipment

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