D337 Forging Die Welding Rod Type: EDRCrW15 surfacing hardness HRC: ≥ 48 (after welding, air-cooled) 
 Description: Chrome die hot forging tungsten welding electrode, DCRP. 
 Usage: cast or forged steel welding for forging die, but also to be used for the repair of forging die wear. 

 D392/D397 Die Welding Rod Model: EDRCrMnMo-03 (EDRCrMnMo-15) 
 Description: D392 titanium calcium type welding electrode, AC-DC dual-use, surfacing layer of martensite and residual austenite; D397 as low hydrogen sodium type Cr, Mn, Mo forging die welding electrodes, DCRP. Between the friction and wear resistant metal and abrasive wear performance. Welding technology is good, all-position welding. 
 Use: Cast or forged steel welding hot forging die for the embryo, but also for repair 5CrMnMo, 5CrNiMo, 5CrNiSiW old forging die steel or welding high-strength wear-resistant parts. 
 Surfacing hardness HRC: ≥ 40 (after welding, air-cooled)