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Stainless Steel 304L
Stainless Steel 304L
304 is the original "18-8" stainless. It is produced in greater quantity than any other austenitic stainless steel. 304 provides useful resistance to corrosion in many environments ranging from moderately reducing to moderately oxidizing. Through the controlled addition of nitrogen, it is common for 304L to meet the mechanical properties of 304 straight grade. As a result, most products are dual certified as 304 and 304/304L.
In what form is Stainless Steel 304l available at ISHWAR STEEL CORPORATION?
- Bar
- Wire
- Sheet
- Plate
- Forgings
- Pipe
- Flanges
Chemistry
| Ni | Cr | Mn | Si | C | S | P | N | Fe | |
|---|---|---|---|---|---|---|---|---|---|
| MIN | 8.0 | 18.0 | - | - | - | - | - | - | - |
| MAX | 10.5 | 20.0 | 2.0 | 0.75 | 0.03 | 0.03 | 0.045 | 0.10 | Balance |
Specifications
AMS 5511, AMS 5513, AMS 5639, AMS 5647
ASME SA 240, ASME SA 312, ASME SA 479
ASTM A 240, ASTM A 276, ASTM A 276 Condition A, ASTM A 276 Condition S, ASTM A 312, ASTM A 479
UNS S30400, UNS S30403
W. NR./EN 1.4301, W. NR./EN 1.4307
304 Stainless, 304L Stainless
Temperature, °F |
70 | 212 | 932 |
Coefficient* of Thermal Expansion, in/in°F x 10-6 |
- | 9.2 | - |
Thermal Conductivity Btu • ft/ft2 • hr • °F |
- | 9.4 | 12.4 |
Modulus of Elasticity Dynamic, psi x 106 |
29 | - | - |
* 70°F to indicated temperature.
Mechanical Properties
Representative Tensile Properties
Ultimate Tensile Strength, ksi |
75 |
0.2% Yield Strength, ksi |
30 |
Elongation, % |
40 |
Hardness MAX, Brinell |
201 |
Typical Tensile and Impact Properties
Temperature, °F |
-425 | -320 | -100 | 70 | 400 | 800 | 1200 |
Ultimate Tensile Strength, ksi |
250 | 230 | 150 | 90 | 70 | 66 | 48 |
0.2 % Yield Strength, ksi |
100 | 70 | 50 | 35 | 23 | 19 | 15.5 |
Charpy Impact V-notch, ft-lbs |
85 | 85 | - | 150 | - | - | - |
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