Specification standards standards ansi b16.9; jis b2311/2312/2313; din 2605/2615/2616/2617;gb13401/12459 Material 304/304l , 316/316l , 321 , 31803 , 317l Thickness sch10s, sch20, std, sch40, xs, sch80, xxs, sch160 etc. Size lap joint ; mss sp-43 type a. B. 1/2"~24" Wood case
