Die Steel Plates
Product Application: Featuring wear resistance, heat resistance, high hardenability, fatigue resistance, excellent polishability, and dimensional stability, it is widely used in cold working dies, hot working dies, die casting dies, hot extrusion dies, etc.
Delivery conditions:The goods can be delivered under various conditions, such as hot rolling, normalization, tempering, quenching, N+T, T+Q, etc.
Specifications & Standards:Refer to the table below
Consultation Hotline: 0086-371-55023661
| Category | Details |
|---|---|
| Core Classifications & Common Grades | 1. Cold Work Die Steel: Cr12, Cr12MoV, D2 (AISI) 2. Hot Work Die Steel: H13 (4Cr5MoSiV1), 5CrNiMo, H11 (AISI) 3. Plastic Die Steel: P20 (3Cr2Mo), 718H, S136 (Corrosion-Resistant Type) |
| Executive Standards | Domestic Standard: GB/T 1299-2014 (Alloy Tool Steel)International Standards: AISI (USA), DIN 17350 (Germany), JIS G4404 (Japan)Common Equivalents: P20 ≈ DIN 1.2330, H13 ≈ AISI H13, Cr12MoV ≈ DIN 1.2601 |
| Specification Range | Thickness: 2 – 300mm (2-100mm common for cold work/plastic die steel; up to 300mm for hot work die steel thick plates) Width: 1000 – 2500mm (conventional 1220/1500mm, customizable) Length: 2000 – 12000mm (fixed-length tolerance ±5mm) Delivery Form: Hot-Rolled plate, Forged plate, Pre-hardened plate (mainstream for plastic die steel) |
| Chemical Composition (Typical Grades, %) | Cold Work Steel (Cr12MoV): C 1.45-1.70, Cr 11.00-13.00, Mo 0.40-0.60, V 0.15-0.30 Hot Work Steel (H13): C 0.32-0.45, Cr 4.75-5.50, Mo 1.10-1.75, V 0.80-1.20 Plastic Steel (P20): C 0.28-0.40, Cr 1.40-2.00, Mo 0.30-0.55, Mn 0.60-1.00 Common Requirements: S ≤ 0.030%, P ≤ 0.035% (reduces inclusion defects) |
| Mechanical Properties | Annealed Hardness: Cold Work Steel ≤ 269HB, Hot Work Steel ≤ 229HB, Plastic Steel ≤ 235HB Hardness after Quenching & Tempering: Cr12MoV 58-62HRC, H13 48-55HRC, P20 (Pre-hardened) 28-36HRC Impact Energy (Akv): Hot Work Steel H13 (20℃) ≥ 30J, Plastic Steel 718H (20℃) ≥ 40J Tensile Strength: Pre-hardened P20 ≥ 900MPa, Quenched & Tempered H13 ≥ 1500MPa |
| Heat Treatment Process | Cold Work Steel (Cr12MoV): Oil quenching at 1000-1050℃ + low-temperature tempering at 160-180℃ (enhances wear resistance) Hot Work Steel (H13): Oil quenching at 1010-1060℃ + high-temperature tempering at 520-650℃ (balances strength and toughness) Plastic Steel: P20 pre-hardened (ready for use at 30-36HRC); 718H double hardening treatment (36-42HRC) |
| Processing Adaptability | Welding: Cold Work Steel requires preheating to 200-300℃ with low-hydrogen electrodes; Plastic Steel has excellent weldability (weldable directly in pre-hardened state) Cutting: Laser cutting for thin plates; flame cutting for thick plates (preheating required for hot work steel to prevent cracking) Polishing: Plastic Steel 718H can be polished to mirror finish Ra ≤ 0.02μm; Cold Work Steel requires precision grinding before polishing Forming: Hot Work Steel has good forgeability, suitable for forging complex mold cavities |
| Application Fields | Cold Work Dies: Cold stamping dies, shearing dies, cold extrusion dies (Cr12MoV), wire drawing dies (Cr12) Hot Work Dies: Hot forging dies (5CrNiMo), die casting dies (H13), hot extrusion dies (H11) Plastic Dies: Injection molds (P20), high-polish cosmetic molds (718H), corrosion-resistant food molds (S136) |
| Inspection Requirements | Routine Testing: Chemical composition analysis, hardness test, tensile/impact test Non Destructive Testing (NDT): Ultrasonic flaw detection (GB/T 2970); 100% flaw detection (Level B) required for thick plates ≥ 50mm Special Testing: Plastic Steel polishability test; Hot Work Steel thermal fatigue test (no cracks after 1000 thermal cycles) |
| Core Characteristics | Cold Work Steel: High wear resistance, high hardenability (Cr12MoV has better chipping resistance than Cr12) Hot Work Steel: High thermal fatigue resistance, heat wear resistance (H13 suitable for repeated heating above 500℃) Plastic Steel: Good polishability, dimensional stability (718H contains Ni to improve corrosion resistance) |
| Steel Grade | Standard | Thic(mm) | Width(mm) | Length(mm) | |
| 638B | WTJ | 8-650 | 1200-3950 | 3000-20000 | |
| S35-45C1035-1045 | JIS G4051ASTM | 8-650 | 1200-3950 | 3000-20000 | |
| S48-50C | JIS G4051 | 8-650 | 1200-3950 | 3000-20000 | |
| S55C | JIS G4051 | 8-650 | 1200-3950 | 3000-20000 | |
| P20/23113Cr2Mo | WYJ001-2004GB/AISI | 8-650 | 1200-3950 | 3000-20000 | |
| WSM30A | WYJ018-2004 | 8-650 | 1200-3950 | 3000-20000 | |
| WSM35B | WJY029-2010 | 8-650 | 1200-3950 | 3000-20000 | |
| P80A10Ni3MnCuAlP21 | WYJ/GB/AISI | 8-650 | 1200-3950 | 3000-20000 | |
| 718/1.27383Cr2NiMnMoP20+Ni | WYJ/GB/DIN/AISI | 8-650 | 1200-3950 | 3000-20000 | |
| WSM718R | WYJ | 8-650 | 1200-3950 | 3000-20000 | |
| WSMP20R | WYJ | 8-650 | 1200-3950 | 3000-20000 | |
| 42CrMnMoV42CrMo4140414251404130 | WISCOGBAISI | 8-650 | 1200-3950 | 3000-20000 | |
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Copyright © 2019 HENAN STEEL GUANG INTERNATIONAL TRADE CO., LTD.
Global Hotline：0086-371-55023661
Copyright © 2019 HENAN STEEL GUANG INTERNATIONAL TRADE CO., LTD.