317 Stainless Steel Sheet

GENERAL PROPERTIES

Alloy 317L is a molybdenum containing, low carbon austenitic stainless steel with increased additions of chromium, nickel, and molybdenum for better corrosion resistance and increased resistance to chemical attack for sulfurous, acetic, formic, citric, and tartaric acids. Due to its low carbon content, 317L also provides resistance to sensitization when welded and higher creep, stress to rupture, and tensile strength at elevated temperatures. It is non-magnetic in the annealed condition but may become slightly magnetic after welding.

STANDARDS – ALLOY 317L

ASTM/ASME: UNS N08020

EURONORM: FeMi35Cr20Cu4Mo2

DIN: 2.4660

Chemical Properties:

%	Cr	Ni	C	Si	Mn	P	S	Mo	Fe
317L	min: 18.0 max:20.0	min: 11.0 max: 15.0	0.035 max	0.75 max	2.0 max	0.04 max	0.03 max	min: 3 max: 4	balance

Mechanical Properties:

Grade	Tensile Strength ksi (min.)	Yield Strength 0.2% Offset ksi (min.)	Elongation - % in 50 mm (min.)	Hardness (Brinell) MAX	Hardness (Rockwell B) MAX
317L	75	30	40	217	95

Physical Properties:

Denstiy lbm/in^3	Coefficient of Thermal Expansion (min/in)-°F			Electrical Resistivity mW-in	Thermal Conductivity BTU/hr-ft-°F	Specific Heat BTU/lbm -°F
at 68 °F	at 77 – 212°F	at 77 – 932°F	at 77 – 1832°F		at 68 – 1832°F	at 32 – 212°F
0.29	9.2	10.1	10.8	31.1	14.6	0.

APPLICATIONS

Alloy 317L is commonly used to handle sulfur, pulp liquor, acid dyestuffs, acetylating and nitrating mixtures, bleaching solutions, severe coal and oil, and many chemical compounds. Some other applications that use alloy 317L include:

• Paper and pulp handling equipment

• Chemical and petrochemical processing equipment

• Condensers in fossil and nuclear fueled power generation stations

• Food processing equipment

• Textile equipment

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