Stainless Steel 317/317L Flanges Specifications
Grade | SS 317(UNS S31700) SS 317L (UNS S31703) |
Werkstoff Nr | 317 / 1.4449 317L / 1.4438 |
Dimension Std. | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges etc. |
Specification | ASTM A182 / A240, ASME SA182 / SA240 |
Size | ½” NB – 48” NB |
Class | 150#, 300#, 600#, 900#, 1500#, 2500#, etc |
Pressure | DIN PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160, etc |
Chemical Compositions of SS 317/317L Flanges
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
---|---|---|---|---|---|---|---|---|---|
317 | 0.08 max | 2 max | 1 max | 0.040 max | 0.03 max | 18 – 20 | 3 – 4 | 11 – 14 | - |
317L | 0.035 max | 2 max | 1 max | 0.040 max | 0.03 max | 18 – 20 | 3 – 4 | 11 – 15 | - |
Mechanical Properties of SS 317/317L Flanges
Density | 8.0 g/cm3 |
Melting Point | 1454 °C (2650 °F) |
Tensile Strength | Psi – 75000 , MPa – 515 |
Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
Elongation | 35 % |
Physical Properties of SS 317/317L Flanges
Physical Properties (Room Temperature)
|
||
---|---|---|
Specific Heat (0-100°C)
|
500
|
J.kg-1.°K-1
|
Thermal Conductivity
|
14.6
|
W.m -1.°K-1
|
Thermal Expansion
|
16.5
|
mm/m/°C
|
Modulus Elasticity
|
193
|
GPa
|
Electrical Resistivity
|
7.4
|
μohm/cm
|
Density
|
7.99
|
g/cm3
|
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