宁波海曙川诚金属材料有限公司

317L STAINLESS STEEL BAND

Features:

This alloy has superior corrosion resistance and is typically used to wrap bleach drums in the pulp and paper mills. The “L” indicates a low carbon content, which significantly improves its welding characteristics. Superior corrosion resistance in i

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  • Product Detail

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.

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

Standards – Alloy 317L

 

Corrosion Resistance

 

Demonstrates superior corrosion resistance in difficult environments including a wide range of chemicals, especially in acidic chloride environments

Excellent resistance in applications where contamination is desired to be kept to a minimum

Low carbon content allows 317L to be highly resistant to intergranular corrosion

Combats the tendency to pit when in contact with phosphorus acids, chlorides, bromides, and iodides

Heat Resistance

 

All chromium-nickel-molybdenum steels all have excellent resistance to oxidation

Demonstrates a low rate of scaling in ordinary atmospheres at temperatures up to 1600-1650°F (871-899°C).

 

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


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