STEEL SELECTION TABLE 模具鋼材選用表

1 STEEL SELECTION TABLE ASSAB AISI JIS DIN GB STEEL PROPERTIES HARDNESS SUPPLIED MAJOR COMPONENTS (%) GENERAL APPLICATION C Si Cr Ni Mn Mo V W CARBON STEEL 760 1050 S50C CK53 S50C High-strength carbon STEEL . HB 200 Annealed to HB 200 - - - Not good in welding properties and hardenability, but no temper brittleness, cutting performance is acceptable. More used as a mold base or cavity insert with lower requirement. HOT WORK TOOL STEEL 618 P20 (modified) PDS3 3Cr2Mo Pre-hardened, general-purpose plastic mold STEEL . HB 290-330 Prehardened to HB 290-330 - - - - Good etching and polishing for mold texture, pre-hardened STEEL . It could use as cavity insert without quenching. HOT WORK TOOL STEEL 718 P20 (modified) PDS5 3Cr3Mo 1% Pure and uniform, containing about 1% of nickel.

2 HB 290-310 Prehardened to HB 290-310 - - PA POM PS PE PP ABS High quality mold inserts, suitable for non-Flame Retardant plastic tooling of PA, POM, PS,PE, PP, ABS. HOT WORK TOOL STEEL 718H P20 (modified) / 3Cr3Mo 1% Pre-hardened, Pure and uniform, containing about 1% of nickel. HB 330-380 Prehardened to HB 330-380 - - HOT WORK TOOL STEEL S136 420 SUS420J2 3-4Cr13 High purity, high degree of mirror polishing on optical application, excellent ability of anti-rust and anti-acid. HB 200 Annealed to HB 200 - - - PVC PA POM PC PMMA High quality mold inserts with mirror surface finish and good corrosion resistance, anti-corrosive cooling channel, suitable for plastic tooling of Pre-hardened condition PVC, PA, POM, PC, PMMA.

3 HOT WORK TOOL STEEL S136H 420H SUS420J2 3-4Cr13 Pre-hardened, high purity, high degree of mirror polishing on opti-cal application, excellent ability of anti-rust and anti-acid. HB 290-330 Prehardened to HB 290-330 - - - STEEL SELECTION TABLE ASSAB AISI JIS DIN GB STEEL PROPERTIES HARDNESS SUPPLIED MAJOR COMPONENTS (%) GENERAL APPLICATION C Si Cr Ni Mn Mo V W COLD WORK TOOL STEEL DF-2 01 SKS3 9Mn2V Oil-hardened STEEL without deformation, the best oil-hardened tool STEEL . HB 190 Annealed to HB 190 - - - Widely used, good processing performance, abrasion resistance, minor thermal dimensional deformation. Not good in toughness and corrosion resistance.

4 Commonly used in stamping die, bending die, punching metal tools. COLD WORK TOOL STEEL XW-41 D2 SKD11 Cr12 MoV High wear resistance, minor deformation of cold work STEEL . HB 240 Annealed to HB 240 - - 60 HRC Air-hardened tool STEEL , heat-treated hardness up to 60 HRC. Used to make large cross-section, complex shape to withstand impact, high wear resis-tance of cold work tool STEEL , STEEL dies, trimming die. HOT WORK TOOL STEEL 8407 H13 SKD61 4Cr5 MosiV1 Hot work STEEL , high toughness and good heat resistance. HB 185 Annealed to HB 185 - - PA POM PS PE Suitable for long lasting required cavity insert, metal casting, extrusion die and plastic mold of PA, POM, PS, PE and engineering plastic.

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