316 High Tensile Stainless Steel, A4-70, A4-80, B8M Class 2

316 is a highly machinable, corrosion resistant stainless steel with high tensile properties for the oil and gas industry.

We provide cold drawn 316 to help our group oil & gas industry fastener customers meet the requirements of the A4-80 and B8M range of fasteners.

316 long bar

316 Specifications and Stock

Broder Metals Group supply cold drawn grade 316 High Tensile stainless steel bar material with the intent of meeting the following relevant classes and specifications on the final product:

  • B8M Class 2 Strain Hardened
    • round bar 4 mm to 76.2 mm
    • hexagon 8mm af to 76.2 mm AF
    • squares 5mm to 69.8mm
  • A4-70 (Dim/Iso A4) Strain Hardened
    • round bar 4 mm to 76.2 mm
    • hexagon 8mm af to 76.2 mm AF
    • squares 5mm to 69.8mm
  • A4-80 (Dim/Iso A4) Strain Hardened
    • Round bar 4 mm to 76.2 mm
    • Hexagon 8mm AF to 76.2 mm AF
    • Squares 5mm to 69.8mm

We can also source finished bolts, nuts and washers manufactured from our material.

Broder Metals provide these alloys with our global same day quote, next day dispatch service.  All of our metals are fully traceable for your confidence, with clear certification delivered electronically or sent with the material as requested.  For further information contact us or download our 316 information sheet here.


Because of its forming and welding characteristics 316 is widely used in petrochemical, oil and gas, domestic and transportation industries.

End uses include:

  • Fasteners
  • engine parts
  • springs
  • heat exchanges
  • valves


Broder Metals additionally stocks cold drawn 316L with the intent to meet many specifications for a number of industries.

316L carries many of the characteristics of 316, the main difference being a lower carbon content. This means that carbon precipitation is reduced making 316L ideal for weldments.

For our complete stock make an enquiry or download our product brochure here.