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DC53 Welding Wire

Material: DC53 / PD613 / SLD-10
Hardness: 58–62 HRC
šŸ›”ļø Super Toughness & Wear Cold Work Steel

Application: Heavy-duty cold stamping dies, high-precision shearing punches, threading dies, and forming rolls. Improved toughness and secondary hardening over SKD11 significantly reduce chipping and catastrophic cracking under high impact loads.

DC53 PD613 TIG Welding Wire Sealed PP Tube Packaging
Sealed PP Tube Packaging
DC53 PD613 Laser Welding Wire Clean Surface Detail
Clean Wire Surface Detail

Select Welding Process & Diameters

Choose between Laser Welding or TIG Welding wire specifications.

0.2
mm
Spool / Rods
0.3
mm
Spool / Rods
0.4
mm
Spool / Rods
0.5
mm
Spool / Rods
0.6
mm
Spool / Rods
Custom
Other Sizes
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0.8
mm
10 rods / tube
1.0
mm
10 rods / tube
1.2
mm
10 rods / tube
1.6
mm
10 rods / tube
2.0
mm
10 rods / tube
2.4
mm
10 rods / tube
Custom
Other Sizes
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TECHNICAL DATA SHEET (TDS) & PROCESS GUIDE Standard: Daido DC53 / PD613 / Hitachi SLD-10

1. Chemical Composition (wt%)

Element C Si Mn Cr Mo V Fe
Specification 0.95–1.05 0.80–1.00 0.30–0.50 7.50–8.50 1.80–2.20 0.25–0.50 Balance

2. Welding Parameters: Laser vs. TIG

⚔ Laser Welding 0.2–0.6 mm

Preheat Temp Room Temp – 100°C
Pulse Power 110–210 A
Shielding Gas Argon ≄99.99% (3–6 L/min)
HAZ Impact Minimal HAZ, preventing chipping on punching edges

šŸ”„ TIG Welding 0.8–2.4 mm

Preheat Temp 350°C – 450°C Mandatory
Welding Current 40–110 A (DCEN)
Shielding Gas Argon ≄99.99% (8–12 L/min)
Post-Heat Slow cooling or 500°C stress relief annealing

šŸ’” Key Repair & Operation Instructions:

  • Superior Toughness Over SKD11: DC53 features refined carbide distribution and higher molybdenum content, providing double the impact toughness of SKD11 at 58–62 HRC, effectively preventing edge chipping.
  • Preheating Requirement (TIG): High alloy content makes preheating to **350°C–450°C mandatory** during TIG welding to prevent thermal shock and cold cracking.
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