Stainless steel with 2 b surface what do you mean? Introduction - a variety of surface Precision stainless steel - Spring stainless steel belt | stainless steel spring | 301 superhard material

2 b refers to the surface of the stainless steel belt, on behalf of the fog, fog is also called 2 b surface, as a figure of. Generally for 2 b surface in steel factory, so the 2 b surface hardness, Vickers hardness) In the 150 - 200 hv, industry officials say 2 b is usually represents the soft material labels: stainless steel with 2 b 2 b on the surface of stainless steel band