the 400 series group of stainless steel en.wikipedia.org 316L steel alloys grades steel alloys http://en.wikipedia.org/wiki/SAE_steel_grades AUS-8A stainless steel گرید های ( steel grades 304 ,316 , 310 440A El acero 440 http://en.wikipedia.org/wiki/SAE_steel_grades steel alloys SAE steel grades steel alloys steel alloys en:SAE steel grades steel alloys hi-grade type 304 steel alloys type 316 400 series steel alloys English SAE steel grades SAE grades wikipedia article steel alloys 440A steel alloys SAE steel grades steel alloys steel SAE grade steel alloys 440A SAE 4340 написано на Викіпедії grades steel alloys SAE 4340 steel alloys SAE steel grades 400 series 420 high carbon stainless steel 154CM stainless steel http://en.wikipedia.org/wiki/SAE_steel_grades steel alloys SAE steel grades 316L Stainless Steel 1095 high carbon High-Carbon-Steel (e.g. 440B 316L Stainless Steel steel alloys SAE 316 stainless steel AISI Highcarbon Steel Grade 440C , AUS 8 or AUS 10 stainless steel grades Stainless Steel Grade 420 AISI http://en.wikipedia.org/wiki/SAE_steel_grades AISI