Hardness testing to ISO 6508-1
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Stainless Steel 317L Stud Bolts is a low-carbon version of Stainless Steel 317. It contains a higher amount of molybdenum and nickel, making it more resistant to corrosion and pitting compared to other stainless steel grades. This makes Stainless Steel 317L an ideal material for use in harsh environments where exposure to corrosive substances is common.
Features:
Stainless Steel 317L Stud Bolts have excellent mechanical properties, high strength and good impact resistance. It also has a low coefficient of thermal expansion, making it suitable for use in extreme temperature environments. The material is non-magnetic and highly weldable, allowing for easy fabrication and installation.
Corrosion resistance:
One of the key properties of Stainless Steel 317L is its exceptional resistance to corrosion. It has a high molybdenum and nickel content, which provides superior resistance to pitting, crevice corrosion, and chloride ion stress corrosion cracking. It can also withstand harsh chemicals such as sulfuric acid, acetic acid, and phosphoric acid.
Machining:
Stainless Steel 317L is not considered to be a difficult material to machine, but it does require sharp tools and plenty of coolant to avoid work hardening. It can be machined using conventional methods such as drilling, milling, turning, and grinding. However, due to its high strength and toughness, special care must be taken when machining this material.
Heat Treatment:
Stainless Steel 317L is typically solution annealed at a temperature range of 1850-2050°F (1010-1121°C) followed by rapid cooling to restore its corrosion resistance. It can also be heat treated for improved strength and hardness, but this may reduce its corrosion resistance.
Specifications | ASTM A 193 / ASME SA 193 |
Diameter | 1/4"-3" Matric:M3 to M72 in length 3000mm |
Standard | ISO, ASTM, DIN, JIS, IS, GB, BS, and all International Standards |
DIN Standard | B.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913 |
UTS | NPT, UNS, UNF, UNC, UNEF, NPTF |
ISO | ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards |
Threads | METRIC, BSW, UNC, UNF, BSF or as required |
Applications:
Stainless Steel 317L Stud Bolts are commonly used in industries such as chemical and petrochemical processing, pulp and paper production, food processing, and pharmaceuticals. They are also used in marine environments due to their resistance to saltwater corrosion. Other applications include heat exchangers, boilers, valves, and fittings.
To preserve the high standards of our selection of industrial stud bolts, we have always adhered to a systematic quality management process.
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UNS | WERKSTOFF NR. | |
SS 317L | S31703 | 1.4438 |
Grade | C | Si | Ni | Mo | P | S | Mn | Cr | N |
SS 317L | 0.035 max | 1 max | 11 – 15 | 3 – 4 | 0.040 max | 0.03 max | 2 max | 18 – 20 | – |
Grade | Density | Tensile Strength | Yield Strength (0.2%Offset) | Melting Point | Elongation |
SS 317L | 8.0 g/cm3 | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 1454 °C (2650 °F) | 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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