This product is made of 45# round steel, precision machined by CNC, surface roughness is Ra3.2, tolerance +/-0.025.
45# round steel refers to the round section of solid steel bar, small round steel bars are commonly used for reinforcement, bolts and various mechanical parts, large round steel for the manufacture of mechanical parts or seamless steel tube blank.
Tensile strength B (MPa) : ≥600(61); Yield strength S (MPa) : ≥355(36)
, elongation delta (%) : 16 or higher, reduction of area bits (%) : 40 or higher, impact energy Akv (J) : 39, or higher impact toughness values of alpha kv (J/cm2) : 49 (5), or greater hardness, heat treatment, 229 hb or less;
Annealed steel,≤197HB.
PE bag + carton packaging shipping.
Tiansheng has been developing and producing fasteners professionally for 12 years. Welcome to customize your own products by drawing/sample.
