Stainless Uk specialize in thread rolling fully threaded or end treaded bars, of which the most common grades are High Tensile Stainless Steel in 304 and 316 materials converted by cold drawing to form the material base for fastener specifications A2-70, A2-80, A4-70, A4-80, B8 Class 2 and B8M Class 2.
Stainless steel round bar between 6mm and 50mm diameter can be cut and bent to customer requirements on specialist machines.
Grade Size Tensile Strength (Mpa) Min Yield Str 0.2% Proof (MPA) Min Elongation (% in 4D) Min (Global Spec) YS/TS Max A2-70 All Sizes 700 450 40 A2-80 All Sizes 800 500 30 B8M Mechanicals
B8M Dia to / from mm Tensile Strength (MPa) min Yield Stress 0.2% Proof (MPa) min Elongation (% in 4D) min Red of Area (%) min B8M CL2 0-<=19.0 760 655 15 45 B8M CL2 <=25.4 690 550 20 45 B8M CL2 <=31.75 655 450 25 45 B8M CL2 <=38.1 620 345 30 45 B8M2 CL2B <=50.8 655 515 25 40 B8M2 CL2B <=63.5 620 450 30 40 B8M2 CL2B <=76.2 550 380 30 40
