Hardness testing to ISO 6508-1
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.
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.
|Specifications||ASTM A193 / ASME SA193|
|Standard||ISO, ASTM, DIN, JIS, IS, GB, BS, and all International Standards|
|Size||M3 - M100 | 3/6″ - 4″ | Custom Sizes|
|Length||3 mm - 200 mm | Custom Sizes|
|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||UNF, BSW, BSF, METRIC, UNC, or as required|
|Surface Coating||Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request|
|Manufacturing Process||Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing.|
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.
To preserve the high standards of our selection of industrial Hex Bolt, 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 Bolt.
|Element||B8M (AISI 316)|
|Chromium||16.0 – 18.0%|
|Nickel||10.0 – 14.0%|
|Molybdenum||2.00 – 3.00%|
|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|
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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