PRODUCT
High tech high quality Seokwang Special Steel
Maker
Steel for cold-rolling dies
| Steel classification | JIS外 | Main usage |
|---|---|---|
| ARK1 | Special steel | Universal
steel with superior machine
ability and harden ability - Universal press dies, various plates, printer substrate dies, etc |
| SLD | SKD11 | - Universal steel with
superior abrasion-resistance
and hardenability - Mass-production press dies, roll, blades(刃物) |
| SGT | SKS3 | - Good machine ability,
low-temperature quenched
steel - Universal press dies, various plates, gauge |
| YCS3 | SKS93 | - Oil-puenched
carbon tool steel - Small and medium-sized press dies for production, jigs tools |
| SLD8 | 8%Cr系 | - High-temperature
tempered steel, good in
toughness and process
ability - press die, rolling dies, cold-forging dies, blades |
| SLD10 | 8%Cr系 | - High
hardened dies steel (62~65
HRC) - Rolling dies |
| ACD37 | - | - Air-cooling,
vacuum (low temperature)
quenched steel - universal press dies, dies, punches, plates |
| HMD5 | - | - FLAME
HARDENING STEEL, good
weld ability - Dise for sheet metal |
| HPM2T | - | - Free-cutting
pre-hardened steel(40
HRC) - Temporary/ small-production dies, various plates |
Steel for hot-rolling dies
| Steel classification | JIS外 | Main usage |
|---|---|---|
| DAC | SKD61 |
- High-temperature strength, universal steel with heat-check resistance - Die casting dies, hot-extrusion tools, hot-rolling press dies |
| DAC3 | Patented steel grade | - High-hardness and high toughness - High-performance aluminum extrusion tools, hot-rolling press dies |
| DAC10 | SKD61 Improved |
- Heat-check resistance, superior high-temperature strength - precision die casting dies, hot-rolling press dies |
| DAC55 | patented steel grade |
- High hardness and high toughness, heat-check resistance - High-performance dies casting dies |
| DAC45 | patented steel grade |
- superior softening resistance - Die casting dies for high-fusion point Al and Cu, hot-rolling press dies |
| YEM-K | SKD7 Improved |
- SKD7's high-temperature strength improvement material - Precision hot-rolling press dies |
| MDC-K | SKD8 Improved |
- Precision hot-rolling press dies, warm-rolling press dies - die casting dies, plastic dies, extrusion pins |
| FDAC | SKD61 Free-cutting |
- Free-cutting pre-hardened(Pre-harden)steel(40 HRC) - Die casting dies, plastic dies, extrusion pins |
| DM | SKT4 |
- High-toughness, pre-harden steel - Universal hammer dies |
High speed tool steel
| Steel classification | JIS外 | Main usage |
|---|---|---|
| YXR33 | Matrix-family | - High-toughness hice(54-58 HRC) - Warm/hot-rolling precision forging dies, die casting pins |
| YXR3 | Matrix-family | - High-toughness hice(58-61 HRC) - Warm/hot- rolling precision forging dies, trimming dies |
| YXR7 | Matrix-family | - High-strength/ high- toughness hice(62-65 HRC) - Cold forging dies, rolling dies, precision sheet metal dies |
| YXM1 | SKH51 | - Universal dies with abrasion resistance and toughness - Ordinary cutting tools, tools for plastic working |
| YXM4 | SKH55 | - Equipped with heat resistance and toughness - Broaches, hobs, tools for plastic working |
| YXM60 | - | - For high- speed cutting of toughness-required materials - End mills, Drills, tools for plastid working |
| XVC5 | SKH57 | - For cutting of abrasion resistance-required-materials -Cutting, end mills, drills, cold forging dies |
P/M high speed steel
| 강종명 | JIS外 | 주 용 도 |
|---|---|---|
| HAP5R | Matrix-family | - High-toughness dice for plastic working(58-61 HRC) - Cold forging dies, warm forging dies, Fine-blanking dies |
| HAP10 | - | - High-toughness type(58-66 HRC) - Cold/warm forging dies, reamers, swages |
| HAP40 | - | - Universal type with abrasion resistance and roughness(62-68 HRC) - Overall cutting tools, mass-production press dies, Roll |
| HAP50 | - | - High-hardness/abrasion resistance type(64-69 HRC) - Tools for cutting difficult to cut materials |
| HAP72 | - | - High heat resistance and abrasion resistance type(68-70 HRC) - High performance cutting tools, long service life-required plastic working dies |

