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Exotic & Special Alloy Fasteners > B8, B8M and Class 2 / Strain Hardened > ASTM A193 B8

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ASTM A193 B8

Grade B8 studs have a carbon content between 0.37-0.49%, Manganese 0.-65-1.10, Phosphorous .035 max, and Sulfur 0.040 max.  A-193 B8 studs represent a type of austentic steel (class 1) which is an economical solution for many applications that require corrosion resistant fasteners at a lower cost.  As a domestic stainless steel fastener manufacturer, Thunder Threads provides B8 studs and B8 hex bolts to projects all across the globe. 

Being slightly weeker than B8M fasteners, B8 fasteners have a tensile strength of a minimum of 75ksi, an elongation of a minimum of 30% elongation and a minimum of 50% reduction of area.  B8 studs and other ASTM B8 fasteners have maximum hardness of Rockwell B96 according to the mechanical requirements in the ASTM A193 specification. 

B8 studs nuts washers hex bolts


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