Square Steel

Tool steel: AISI S1,D2, D3, D4, D5, D7, O2, L6, H21,H13,H11,P20(mold steel)...
Alloy steel: AISI/SAE 5120, 5130, 5135, 5140, 5145,5150,4118,4135,4140,8620, 4340, 6150, 5115,5120,4142,3140,52100...
Carbon steel: AISI/SAE 1020, 1025, 1035, 1045, 1016, 1022, 1026, 1037, 1039, 1046, 1053;

Tool steel: AFNOR 55WC20, Z200C12,90MV8,Z30WCV 9,Z40COV5,Z38CDV5...
Alloy steel: AFNOR 20MC5, 38C4, 42C4, 42C2, 45C2, 35CD4, 35CD4TS, 40CD4, 42CD4, 20NCD2, 22NCD2, 50CV4...
Carbon steel: AFNOR CC20, CC35, XC42TS, XC45, XC48, XC42, 35M5...

Tool steel: DIN 1.2550, 1.2379, 1.2080, 1.2842, 1.2581, 1.2344, 1.2343, 1.2330...
Alloy steel: DIN 1.6565, 1.7220, 1.7225, 1.7147, 1.7030, 1.7034, 1.7035, 1.7006, 1.6523, 1.8159, 1.5711...
Carbon steel: DIN 1.0402, 1.1158, 1.0501, 1.1191, 1.0419, 1.1133, 1.1157...

Tool steel: JIS SKD1,SKD5,SKD6,SKD61...
Alloy steel: JIS SNCM8,SCCrM3,SCM4, SCM4H, SCr3H, SCr4H, SNCM21,SNCM21H,SUP10...
Carbon steel: JIS S25C,S45C,S48C, SMnC21...

Tool steel: KS STD1,STT4,STD5, STD6, STD61...
Alloy steel: KS SNCM439,SCM420, SCM435, SCM440, SCr420, SCr415,SCr430,SCr435, SCr440, SCr445, SNCM220,SPS6,STB2...
Carbon steel: KS SM20C,SM25C, SM35C, SM45C...

Tool steel: GB 5CrW2Si,Cr12,9Mn2V,5CrNiMo, 3Cr2W8V,4Cr5MoSiV,T8,T9,T10...
Alloy steel: GB 45CrNiMoVA,20CrMo,35CrMo, 42CrMo,40CrMnMo, 20Cr,15Cr,30Cr,35Cr,40Cr, 45Cr,50Cr,20CrNiMoA,50CrVA,50CrNi, GCr15...
Carbon steel: GB 20#,25#,35#,45#,15Mn, 20Mn,25Mn,35Mn,40Mn,45Mn,50Mn,65Mn...

Y8,Y9,Y10...