Business
MOLD STEEL
MOLD STEEL
YDP succeeded in developing mold steel domestically for the first time in Korea
in cooperation with Hanguk Heavy Industries
Key Features
01
Direct purchase from global makers ensuring the highest quality
02
Over 40 steel grades and sizes always in stock
(No. 1 in mold steel sales nationwide)
03
Extra-large mold steel (for bumper, inpanel) in stock
04
New raw material factory and state-of-the-art cutting machine (Circular/Gantry-Type) introduced
05
Optimized cutting with diverse cutting equipment and short lead time system
06
Long-accumulated cutting know-how
07
Maximum cutting size
: 2,500 mm x 2,600 mm
08
Supplying core materials using precise mold steel makers and materials
(milling, grinding)
Global Steel Makers
Main Raw Materials
| S20C/ S35C /S45C | SP-4 / TP-4 | CORE BLOCK (SF-5) | 1.2343 ESR |
| S55C | SP-4M / TP-4M | MD / MD XTRA (P20) | NAK80 |
| HP-1A | SMAT-E | MD HH / MD XTRA HH (P20 HH) | DH2F |
| HP-4A(D2) | SKD-11 / DuMAC 11 | MD HHH / MD XTRA HHH (P20 S HH) | PXA30 |
| HP-4MA(D2) | SKD-61 / DuRAH 61 | MLQ XTRA ESR (P20 ESR HH) | HIT75 |
| HP-4MA HH | DuMAC PRO | DC XTRA VAR (H13 VAR) | MOLDMAX HH |
| HP-70 | HD-1 | 1.2738 | MOLDMAX HH (Ø) |
| DP-10 | HD-4 | TS 1.2738 HH | PROTHERM (Ø) |
| DTX-2 | HD-4M | 1.2344 | SP-300 |
| SP-1 / TP-1 | HS-PPM | 1.2190 ESR | SP-400 |
Mold steel
| hardness (HRC) |
size | manufaturers | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| domestic | overseass | |||||||||
| JIS | AISI | Doosan Enerbility | SeAHbesteel | SeAHCSS | Hyundai IFC | Daido Steel (Japan) |
Finkl Steel (Canada) |
Buderus (Germany) |
||
| p r e h a r d e n e d s t e e l |
10~18 | SC series | 1050 (Improved) |
HP1A | SP1 | TP1 | HD1 | - | - | - |
| 28~32 | SCM440 series | 4140 (Improved) |
HP4A | SP4 | TP4 | HD4 | - | CORE BLOCK | 1.2312 | |
| 30~34 | SCM 440 (Improved) SNCM (Improved) |
P20 (Improved) |
HP4MA | SP4M | TP4M | HD4M | PXA30 | P20 (MD / MD XTRA) |
1.2738 | |
| 34~38 | HP4M_HH | - | TP4MHH | - | - | P20_HH (MD / MD XTRA) |
TS 1.2738_HH | |||
| 38~40 | P20 HH (Improved) |
- | - | - | - | - | S P20_HHH (MD / MD XTRA) |
- | ||
| 39~43 | DPX1 | - | SMAT-E | HS-PPM | - | MLQ40 | - | |||
| 38~42 | precipitation steel | P21 (Improved) |
HP70 | - | - | - | NAK80 | - | - | |
| 40 | SKD61 (Improved) |
- | - | - | - | - | DH2F | - | - | |
Tool steel
| hardness (HRC) |
size | manufaturers | |||||
|---|---|---|---|---|---|---|---|
| domestic | overseass | ||||||
| JIS | AISI | SeAHCSS | Finkl Steel (Canada) |
DEW (Germany) |
Ravne (Slovenia) |
||
| T o o l s t e e l |
52~54 | SKD6 series | H11 | - | - | 1.2343 ESR | - |
| SKD61 series | H13 | SKD61 STD61 |
DC-XTRA (H13 VAR) |
- | 1.2344 | ||
| - | DuRAH61 | - | - | - | |||
| SKD61 (Improved) |
- | DuRAH PRO | - | - | - | ||
| 50~60 | SKD11 series | - | SKD11 STD11 |
- | - | - | |
| - | DuMAC11 | - | - | - | |||
| DuMAC11 | - | DuMAC PRO | DRX (S7) |
- | - | ||
| 53 | Maraging Steel (ex) YAG / MAS1C |
- | - | - | 1.2709 ESR | - | |
Other materials
| Classification | Hardness (HRC) | Equivalent Specification | Manufacturer | |||
|---|---|---|---|---|---|---|
| JIS | AISI | DEW (Germany) |
HITACHI (Japan) |
MATERION (U.S) |
||
| stainless steel ★corrosion resistant steel★ |
52 | SUS420J2 series | - | 1.2190 ESR | - | - |
| alloy steel | 11~20 | - | - | - | HIT75 | - |
| beryllium alloy steel | 40 | - | - | - | - | MOLDMAX HH |
| 25 | - | - | - | - | MOLDMAX V |
|
| 40 | - | - | - | - | MOLDMAX (ROUND BAR) |
|
| 20 | - | - | - | - | PROTHERM (ROUND BAR) |
|
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