SS 316 Hex Bolts - Marine Grade Stainless Steel

The SS 316 Hex Bolt is a premium mechanical fastener offering significantly superior corrosion resistance compared to standard 304 grade, thanks to the addition of molybdenum in its alloy. This makes it the fastener of choice for demanding outdoor, acidic, and **marine grade** environments, where it excels at resisting pitting corrosion caused by chlorides. The bolt features a six-sided head (hexagon) and is designed to create secure, high-strength joints when tightened with a wrench. Zeron Fasteners specializes in manufacturing and supplying high-quality SS 316 Hex Bolts, which are indispensable in chemical processing, offshore rigging, food equipment, and any construction project exposed to salt water or aggressive media.

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SS 316 Hex Bolts Manufacturer in India

SS 316 Hex Bolts Chemical Composition

Element Composition (Max %)
Carbon (C) 0.08
Manganese (Mn) 2.00
Phosphorus (P) 0.045
Sulphur (S) 0.030
Silicon (Si) 1.00
Chromium (Cr) 16.0 to 18.0
Nickel (Ni) 10.0 to 14.0
Molybdenum (Mo) 2.00 to 3.00

SS 316 Hex Bolts Mechanical Properties

Property Minimum Requirements (Per ISO 3506-1: A4-70)
Tensile Strength 700 MPa
Yield Strength (0.2% Offset) 450 MPa
Proof Stress 350 MPa
Hardness (Brinell) 200 HB max
Applicable Standard DIN 931 / DIN 933 Equivalent

Features Product

Duplex UNS S32205 Tees Incoloy 800 Elbows ASTM A193 B8M Flanges SS 304L Stud Bolts

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