Hardness testing to ISO 6508-1
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Stainless steel 317L is a low-carbon version of the widely used austenitic stainless steel grade 317. It contains higher amounts of chromium, nickel, and molybdenum, which makes it highly resistant to corrosion and offers superior strength and toughness. It also has a low carbon content, making it suitable for welding and forming applications.
Features of Stainless Steel 317L Hex Nuts Stainless steel 317L hex nuts are made from this highly corrosion-resistant grade of stainless steel, which makes them ideal for use in harsh environments such as chemical and petrochemical industries, as well as marine applications. These nuts offer excellent resistance to pitting, crevice corrosion, and general corrosion in acidic and chloride environments.
Machining of Stainless Steel 317L
Stainless steel 317L has a high work hardening rate, which makes it more
difficult to machine compared to other stainless steel grades. However, with the
right tools and techniques, it can be machined successfully. Low cutting speeds,
heavy feeds, and sharp tools are recommended for machining stainless steel 317L
to achieve the best results.
Heat Treatment of Stainless Steel 317L
Stainless steel 317L is not heat treatable in the traditional sense, as it does
not respond to heat treatment methods like annealing or tempering. However, it
can be solution treated at 1010-1120°C, followed by rapid cooling. This process
improves the strength and corrosion resistance of the material.
Applications of Stainless Steel 317L Hex Nuts
Stainless steel 317L hex nuts are widely used in various industries such as
chemical processing, oil and gas, food and beverage, pharmaceuticals, and pulp
and paper. They are commonly used in equipment and machinery that come into
contact with corrosive materials, as well as in marine environments.
Specifications | ASTM A194 / ASME SA194 |
Size | Cold Forming process: M2-M24 Hot Forging process: M24-M100, 1-1/2” Dia, up to 1100mm lg CNC Machining for M100 / 4” Dia, up to 1500mm lg Manufacturing M2, M3, M3.5, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M42, M45, M48 to M160 and Custom Metric Stainless Steel Hex Nuts |
Diameter | 1/4 "-4" Metric:M3 to M100 |
Types | Heavy Hex Nuts, Large Heavy Hex Nuts, Heavy Hex Jam Nut, Heavy Hex Coupling Nut, Heavy Duty Hex Nuts |
DIN Standard | DIN 934, DIN 982, DIN 985, DIN 936, DIN 929, DIN 1587, DIN 439, DIN 315 |
Dimensions | ASME B18.2.2 Heavy Hex Nuts, ASME B18.2.4.6M Metric Heavy Hex Nuts, ASME B18.16.6 / ASME B18.16.4 / ASME B18.2.2 |
Threads | METRIC, BSW, UNC, UNF, BSF or as required |
Hex Nuts Forming | Hot Forged Hex Nuts & Cold Forged Hex Nuts |
UTS – Unified Thread Standard | UNC, UNF, NPT, UNS, UNEF, NPTF |
Corrosion Resistance of Stainless Steel 317L
Stainless steel 317L offers excellent resistance to a wide range of corrosive
chemicals, including sulfuric acid, phosphoric acid, acetic acid, and chloride
solutions. It also has good resistance to stress corrosion cracking and high
temperatures, making it suitable for use in extreme conditions.
To preserve the high standards of our selection of industrial hex nuts, we have always adhered to a systematic quality management process.
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of hex nuts.
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
SS 317L | 1.4438 | S31703 | SUS 317L | X2CrNiMo18-15-4 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
SS 317L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 18.00 – 20.00 | 3.00 – 4.00 | 11.00 – 15.00 | 57.89 min |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
7.9 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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