Austenitic SS 317L Flat
Alloy 317/317L (UNS S31703) flat is a molybdenum-bearing austenitic stainless steel with greatly increased resistance to chemical attack as compared to the conventional chromium-nickel austenitic stainless steels such as Alloy 304.
Chemical Properties
|
GRADE |
NI |
CR |
MO |
C |
MN |
P |
S |
Fe |
|
|---|---|---|---|---|---|---|---|---|---|
|
SS 317L |
MIN % |
11 |
18 |
3 |
– |
– |
– |
– |
BALANCE |
|
MAX % |
15 |
20 |
4 |
0.03 |
2 |
0.045 |
0.03 |
||
|
SS 317 |
MIN % |
– |
– |
– |
– |
– |
– |
– |
BALANCE |
|
MAX % |
13 |
19 |
3.5 |
0.08 |
2 |
0.045 |
0.03 |
SS 317/317l flat grade has improved corrosion resistance over SS 304 flat. Meanwhile, it has some great features like having an excellent Corrosion Resistance, Excellent Strength, Improved General and Localized Corrosion to SS 316.
Properties
Stainless Steel 317/317L flat are essentially non-magnetic in the annealed condition and can only be hardened by cold working. 317/317L Stainless Steel flats have restricted cobalt and tantalum content for nuclear applications.
Mechanical Properties
|
Grade |
Tensile Strength |
Yield Strength |
Elongation |
Hardness, MAX |
|
|---|---|---|---|---|---|
|
[MPA] |
[MPA] |
(% in 50mm) min |
HBW |
HRB |
|
|
SS 317 |
515 |
205 |
35 |
217 |
95 |
|
SS 317L |
515 |
205 |
35 |
217 |
95 |
SS 317/317L flat have excellent thermal and electrical conductivity. Whereas the flats of SS 317/317L flat also have the best mechanical properties which have good alloy ductility and hardness. The coils of this stainless steel are advantageous which provides the best strength to weight ratio for the structure.
Physical Properties
|
Grade |
Density(g/cm3) |
Elastic Modulus(GPa) |
Mean Co-eff of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
|---|---|---|---|---|
|
0-100°C |
at 100°C |
|||
|
SS 317/ 317L |
8 |
193 |
16 |
16.3 |
Application
Stainless Steel 317/317L flat are often used for Oil & petroleum refining equipment, Pulp and paper processing equipment, Food processing equipment, Soap and photographic handling equipment, etc. Stainless Steel 317/317L is commonly applied to high temperature equipment, such as gaskets and expansion joints, along with rocket engine and chemical manufacturing.
Shalco Industries is a manufacturing company of Flat in India and Global Supplier.
