Stainless Steel A193 Grade B8M Hex Bolts are high-quality fasteners known for their exceptional corrosion resistance, making them suitable for a wide range of applications in various industries. Here are some key features and information about these bolts:


Material Composition: A193 Grade B8M hex bolts are primarily made from austenitic stainless steel, typically grade 316 or 316L. This steel grade contains chromium, nickel, and molybdenum, which impart excellent corrosion resistance and durability to the bolts.


SS A193 Gr B8M Hex Bolts, SS A193 Grade B8M Hex Head Bolts, Steel Gr B8M Hex Bolts, Manufacturer Of SS A193 Gr B8M Heavy Hex Bolts, Stainless Steel A193 Flange Hex Bolt, Stainless Steel A193 Gr B8M Hexagon Bolt, SS A193 Gr B8M Hex Bolts Manufacturers in India.


Stainless Steel A193 Grade B8M Hex Bolts
  • Standards

    ASTM

  • Designation

    A193 B8M: Class 1 Stainless Steel, AISI 316

  • Dimensions

    ASME B18.2.1, B18.3

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Corrosion Resistance: These bolts are highly resistant to corrosion, particularly in harsh environments like marine, chemical, and industrial settings. The addition of molybdenum enhances their resistance to chloride-induced pitting and crevice corrosion.


Temperature Range: A193 Grade B8M bolts are capable of withstanding a wide temperature range, making them suitable for both cryogenic and elevated-temperature applications. They maintain their mechanical properties even in extreme conditions.


Strength: These bolts offer good tensile strength, making them suitable for applications that require secure fastening and load-bearing capabilities.

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fevicon-logo SS A193 Grade B8M 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.

Applications:

  • Marine Industry: Due to their exceptional resistance to saltwater and marine atmospheres, A193 Grade B8M bolts are commonly used in shipbuilding and offshore structures.
  • Chemical Processing: They are ideal for use in chemical processing plants, where exposure to corrosive chemicals is common.
  • Food and Pharmaceutical: These bolts are often employed in food processing and pharmaceutical manufacturing due to their corrosion resistance and hygiene requirements.
  • Petrochemical Industry: A193 Grade B8M bolts find applications in the construction of petrochemical facilities and pipelines.
  • Agriculture: They are used in agricultural machinery and equipment exposed to outdoor elements.
  • Construction: In construction, these bolts can be used for structural connections where corrosion resistance is essential.


Additional Coatings: In some cases, these bolts may have additional coatings or platings for added protection against corrosion, such as zinc or epoxy coatings.


Maintenance: While A193 Grade B8M bolts are highly corrosion-resistant, regular inspection and maintenance are still advisable, especially in aggressive environments, to ensure their long-term performance.

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fevicon-logo Chemical Composition of Stainless Steel A193 Gr B8M Hex Bolts

Element B8M (AISI 316)
Carbon 0.08% max
Manganese 2.00% max
Phosphorus, max 0.045%
Sulfur, max 0.030%
Silicon 1.00% max
Chromium 16.0 – 18.0%
Nickel 10.0 – 14.0%
Molybdenum 2.00 – 3.00%

fevicon-logo Mechanical Properties of SS ASTM A193 Hex Bolts

Grade Size Tensile ksi, min Yield, ksi, min Elong, %, min RA % min HBW HRC
B8M Class 1 All 75 30 30 50 223 max 96 max
B8M Class 2 Up to 3/4 110 95 15 45 321 max 35 max
7/8 - 1 100 80 20 45
1-1/8 - 1-1/4 95 65 25 45
1-3/8 - 1-1/2 90 50 30 45

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fevicon-logo Types of Stainless Steel ASTM A193 Grade B8M Hex Bolts

Hex Bolt

SS A193 Hex Bolt

Heavy Hex Bolt

SS Grade B8M Heavy Hex Bolt

Hex Tap Bolt

SS A193 Grade B8M Hex Tap Bolt

Hex Flange Bolt

SS A193 Gr B8M Hex Flange Bolt

Half Threaded Hex Bolt

SS ASTM A193 Half Threaded Hex Bolt

Fully Threaded Hex Bolt

Grade B8M SS Fully Threaded Hex Bolt

Hex Machine Bolt

SS A193 Gr B8M Hex Machine Bolt

Hex Shoulder Bolt

SS Grade B8M 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 A193 Gr B8M Hex Bolts Application Industries

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