標準
AISI, ASTM, DIN, EN, ギガバイト, JIS
Surface
Bright,cloudy,plain,black,etc
Finished
No treated,hot rolled hydrogen,bright
Feature
Heat resistance,wear-resisting,etc
Usage 1
Foodstuff industry, gas,spring,jewelry,etc
Hardness Classication
Soft,1/4H,1/2H,3/4H,EH,SH