free cutting steel

Free cutting steel which is the alloy steel be added certain amount of sulfur, phosphorus, lead, calcium, selenium, tellurium and other elements to improve the machinability. As the development of machining technology, the requirements for machinability of steel is more and more important. It has great impact in the industry. And I will show you all the information of Free Cutting Steel grade equivalents table for American ASTM, UNS, to GB, ISO, Europe, Germany, France, and Japan. And as a leader steel supplier in China, if you need the material as below, please kindly contact us.

GBISOASTMUNSJISDINBSNF
Y1210S20
4
1211
C1211,
B1112
1109
C12110
G11090
SUM12

SUM21
10S20210M15
220M07
13MF4

10F
10F1
Y12Pb11SMnPb28
4Pb
12L13G12134SUM22L10SPb20AD37Pb
10Pb2
10PbF2
Y1511SMn28
6
1213

1119
B1113
G12130
G11190
SUM25

SUM22
10S20

15S20
95Mn28
220M07
230M07
210A15
240M07
15F2
Y15Pb11SMnPb2812L14G12144SUM22L
SUM24L
9SMnPb28--10PbF2
S250Pb
Y20--1117G11170SUM321C221C221C22
Y20--C1120SUM3122S20En718MF5
20F2
Y30C30ea1132
C1126
G11320--1C301C301C30
Y35C35ea1137G11370SUM41SUM411C35
212M36
212A37
1C35
35MF6
Y40Mn44SMn28
9
1144
1141
G11440
G11410
SUM43
SUM42
SUM43
SUM42
226M44
225M44
225M36
212M44
45MF6.3
45MF4

40M5
Y45Ca--------1C451C451C45