astm a276 تضمینی با کیفیت بالا برای پیمانکاران
ASTM A276, Revision 13A, November 1, 2013 - Standard Specification for Stainless Steel Bars and Shapes This specification covers hot-finished or cold-finished bars except bars for reforging (Note 1). It includes rounds, squares, and hexagons, and hot-rolled or extruded shapes, such as angles, tees, and channels in the more commonly used …