Stainless Steel 316L Hex Bolts (1.4404) are hexagonally shaped fasteners made from the stainless steel alloy known as 316L, or 1.4404. These bolts are widely used in various industries and applications where corrosion resistance and mechanical strength are essential. Here are key features and information about Stainless Steel 316L Hex Bolts:


Material Composition:

  • Stainless Steel 316L (1.4404) is an austenitic stainless steel alloy.
  • Its chemical composition includes:
    • 16-18% Chromium (Cr): Provides corrosion resistance.
    • 10-14% Nickel (Ni): Enhances resistance to corrosion and adds strength.
    • 2-3% Molybdenum (Mo): Increases resistance to pitting and crevice corrosion.
    • Low carbon content: The "L" in 316L denotes low carbon content, which improves corrosion resistance and weldability.
    • Small amounts of other elements like carbon, silicon, sulfur, and phosphorus.


Features:

  • Hex bolts have a hexagonal head that can be tightened or loosened using a wrench or a socket.
  • Stainless Steel 316L provides excellent corrosion resistance, making these bolts suitable for use in aggressive environments, including marine, chemical, and industrial applications.
  • They come in various sizes (diameter and length) and thread configurations (UNC, UNF, metric, etc.) to suit different requirements.
  • The hexagonal head design allows for easy installation and removal.


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Stainless Steel 316L Hex Bolts
  • UNS

    S31603

  • WNR

    1.4404

  • ASTM / ASME

    ASTM A193 / SA193

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Corrosion Resistance:

  • Stainless Steel 316L (1.4404) offers superior corrosion resistance to a wide range of corrosive substances, including saltwater, acids, and chemicals.
  • It is commonly used in applications where exposure to moisture or corrosive environments is a concern.


Applications:

  • Stainless Steel 316L Hex Bolts are utilized in various industries, including but not limited to:
    • Construction: Used for structural applications requiring corrosion resistance.
    • Marine: Suitable for boat and shipbuilding due to their resistance to saltwater corrosion.
    • Petrochemical: Used in equipment and piping systems that handle corrosive fluids.
    • Food processing and pharmaceutical: Ideal for hygienic environments.
    • Automotive: Used in engine and chassis components.

UNS S31603 Hex Bolts, Stainless Steel 316L Hex Bolts, ASTM A193 UNS S31603 Hex Bolts, SS 316L Hex Bolt, SS 316L Hex Head Bolt, SS 316L Hex Bolt Manufacturers in India.


fevicon-logo SS 316L Hex Bolts Specification

SpecificationsASTM A193 / ASME SA193
StandardISO, ASTM, DIN, JIS, IS, GB, BS, and all International Standards
DiameterM3 to M100 up to 1000 MM
DIN StandardB.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 UNF, BSW, BSF, METRIC, UNC, or as required
Surface CoatingBlack Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request
Manufacturing ProcessWire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing.

Machining:

  • Stainless Steel 316L can be machined but requires appropriate cutting tools and techniques due to its higher hardness compared to carbon steel.
  • Drilling, tapping, and threading operations may necessitate lubrication and coolant for optimal results.
  • Welding is possible but should be performed using techniques and filler materials compatible with 316L stainless steel to prevent corrosion issues in the heat-affected zone.


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fevicon-logo Equivalent Grades Of Stainless Steel 316L Hex Bolts

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 316L 1.4404 / 1.4435 S31603 SUS 316L 316S11 / 316S13 03Ch17N14M3 / 03Ch17N14M2 Z3CND17‐11‐02 / Z3CND18‐14‐03 X2CrNiMo17-12-2 / X2CrNiMo18-14-3

fevicon-logo Chemical Composition of Stainless Steel 316L Hex Bolts

Grade C Mn Si P S Cr Mo Ni Fe
SS 316L 0.035 max 2.0 max 1.0 max 0.045 max 0.030 max 16.00 - 18.00 2.00 - 3.00 10.00 - 14.00 68.89 min

fevicon-logo Mechanical Properties of SS 316L Hex Bolts

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1399 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

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fevicon-logo Types of Stainless Steel 316L Hex Bolts

Hex Bolt

SS 316L Hex Bolt

Heavy Hex Bolt

SS 316L Heavy Hex Bolt

Hex Tap Bolt

SS 316L Hex Tap Bolt

Hex Flange Bolt

SS 316L Hex Flange Bolt

Half Threaded Hex Bolt

SS 316L Half Threaded Hex Bolt

Fully Threaded Hex Bolt

316L SS Fully Threaded Hex Bolt

Hex Machine Bolt

SS 316L Hex Machine Bolt

Hex Shoulder Bolt

SS 316L Hex Shoulder Bolt


Hex Bolt Manufacturers In India

  • 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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fevicon-logo Stainless Steel 316L Hex Bolts Application Industries

Aerospace Industry
Nuclear Industry
MEdical Industry
Marine Industry
Mining Industry
Automotive Industry
Construction Industry
Manufacturing Industry
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