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AISI/SAE Code JIS Category Class Product Introduction
12L14 SUM24L Free-Cutting Steel – Lead The precise accessories for 3C appliances and IT/communication devices, with good cutting features.
1215 SUM23 Free-Cutting Steel – Sulfur Material for cutting, sewing machine, spindle, mountain-climbing accessories, furniture accessories, environmental materials.
1144 SUM43 Free-Cutting Medium Carbon Steel – Sulfur Applicable for machines, motor’s shafts, broadly used on high-speed cutting and environmental materials for medium carbon steel with free of lead.
1055~1015 S55C~S15C Medium/Low Carbon Steel Steel used for mechanical structure, such as motors, machines, hand tools, etc.
4115
SCM415 Chrome-Molybdeum Alloy Steel
Without L: with its toughness, broadly used on the screws and shafts for mobiles, bridges, and buildings.
With L: with its toughness to develop a easy cutting feature, to supplement the defect that is not easy to be machined.
SCM415L Chrome-Molybdeum Free-Cutting Ally Steel
4135 SCM435 Chrome-Molybdeum Alloy Steel
4140
SCM440 Chrome-Molybdeum Alloy Steel
SCM440L Chrome-Molybdeum Free-Cutting Ally Steel
5210 SUJ2 High Carbon Bearing Steel Suitable for gauges, mechanical shafts, tools, spindles, etc.
1095
SK4 Carbon Tool Steel
Special for alloy steel for tools, such as bearing balls, rollers, keys, cutting tools, etc.
SKD11 Carbon Tool Alloy Steel
US 303 Stainless Steel
(Non-Magnetic)
Stainless steel for precise cutting, broadly used on the accessories of 3C appliances, PC products, watches, cameras, etc.
US 416 Stainless Steel
(Magnetic)
US 316/SUS 316L Stainless Steel
US 304/SUS 304L Stainless Steel
US 420J2
SUS 420F
Stainless Steel
US 430 Stainless Steel
C3601 Copper Bar Good malleability, mainly used on electronic parts, gears, screws, nuts, timepieces, pens, cameras, etc.
C3602 Copper Bar
C3604 Copper Bar Good cutting feature, mainly used on electronic parts, gears, screws, nuts, timepieces, pens, cameras, etc.
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