Marine grade bolting class is quite formed with material with resistance to salt water corrosion or erosion coupled with high strength or low temperature properties. Widely used bolting grades falls under stainless steel and copper alloys. Other alternative is high strength alloy steel with corrosion protective coatings, designed to withstand extreme changes in marine environment. Some most common alloys in this category belongs to 316L Stainless steel, Phosphor Bronze, Brass, Monel alloy, Copper and Copper Nickel and PTFE coated Alloy Steel.
Marine Grade Fasteners
Marine
Grade
Type of Marine Grade Fasteners
-
BoltsCategory: Bolts
Hot, Cold Forged & Machined -
ScrewsCategory: Screws
Hot, Cold Forged & Machined -
Stud BoltsCategory: Stud Bolts
Hot, Cold Formed and Bar Stock Machined -
Threaded RodsCategory: Threaded Rods
Hot, Cold Forged & Machined -
NutsCategory: Nuts
Hot & Cold Forged
Metric,Imperial -
WashersCategory: Washers
Hot & Cold Punched -
Bent BoltsCategory: Bent Bolts -
Anchor FastenersCategory: Anchor Fasteners -
ChainsCategory: Chains -
Custom PartsCategory: Custom Parts
Marine Grade Fasteners Specifications
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Marine Grade Fastener Specifications
- ASTM A242/A242MThis specification covers high-strength low-alloy structural steel shapes, plates, and bars for welded, riveted, or bolted construction with atmospheric corrosion resistance intended primarily for use as structural members.
- ASTM A588/A588MThis specification covers high-strength low-alloy structural steel shapes, plates, and bars for welded, riveted, or bolted construction with atmospheric corrosion resistance but intended primarily for use in welded bridges and buildings.
- ASTM A606/A606MThis specification covers standards for high-strength, low-alloy, hot-rolled and cold-rolled steel sheets and strips cut in lengths or coils for structural and miscellaneous purposes. The material shall come in Types 2 and 4 steels having enhanced atmospheric corrosion resistance.
- ASTM A709/A709MThis specification covers carbon and high-strength low alloy steel structural shapes, plates and bars, and quenched and tempered alloy steel for structural plates intended for use in bridges. Atmospheric corrosion resistance shall also be determined.
- ASTM A847/A847MThis specification covers standard requirements for cold-formed welded and seamless high-strength, low-alloy round, square, rectangular, or special shaped structural tubing for welded, riveted, or bolted construction of bridges and buildings and for general structural purposes where high strength and enhanced atmospheric corrosion resistance are required.
- ASTM A852/A852MThis specification covers quenched and tempered high-strength low-alloy structural steel plates for welded, riveted, or bolted construction. The atmospheric corrosion resistance of this steel in most environments is substantially better than that of carbon structural steels with or without copper addition.
- ASTM A871/A871MThis specification covers high-strength low-alloy structural steel plate used for tubular structures and poles. This steel has atmospheric corrosion resistance so it can be used bare or unpainted for many applications.
Related Standards and Specifications
- ASTM A325 Type 3Heat treated Marine Grade structural bolts, steel, heat treated with 120 ksi Minimum Tensile Strength (Inch Units)
- ASTM A325M Type 3Heat treated Marine Grade structural bolts, steel, heat treated with 120 ksi Minimum Tensile Strength (Metric Units)
- ASTM A490M Type 3Quenched and tempered Marine Grade heavy hex structural bolts having tensile strength between 1040 to 1210 Mpa.
- ASTM F436 Type 3-
- ASTM A242-
- ASTM A588-
- ASTM A606-
- ISRM 41-