astm / asme a 193 b 6, b 7/ b 7m, b 16// astm / asme a 194 gr. 2, 2hm, 2h, gr 6, b 7, b 7m.
Stainless steel grades
astm / asme a 193 b 8( 304 )b 8c( ss 347 )b 8m( ss 316 )b 8 t( ss 321 ), a 2, a 4 // astm / asme a 194 b 8 ( 304 ), b 8c ( ss 347 ), b 8m ( ss 316 ), b 8t ( ss 321 ).
