D502 valve surfacing electrode meets GBEDCr-A1-03: D502 1Cr13 valve surfacing electrode is titanium calcium type, AC and DC welding process. The surfacing metal 1Cr13 semi-iron
D502 valve surfacing electrode meets GBEDCr-A1-03
       Description: D502 1Cr13 valve surfacing electrode is titanium calcium type AC and DC Welding Wires process. The Surfacing metal 1Cr13 semi-ferritic high-chromium steel. Surfacing layer with air quenching characteristics are not generally required to heat treatment, uniform hardness, can also be softened by annealing at 750-800 ℃, when heated to 900-1000 ℃ air cooling or oil quenching can be re-hardening.

Uses: This is a common surfacing welding rod, used for surfacing work temperature below 450 ℃ carbon steel or alloy steel shaft and valves, etc..

D507 valve surfacing electrode line with GBEDCr-A1-15

Description: D507 1Cr13 valve surfacing electrode low hydrogen sodium type DCRP. The Surfacing metal 1Cr13 semi-ferritic high-chromium steel. Surfacing layer with air quenching characteristics are not generally required to heat treatment, uniform hardness, can also be softened by annealing at 750-800 ℃, when heated to 900-1000 ℃ air cooling or oil quenching can be re-hardening.

Uses: This is a common surfacing Welding Rod , used for surfacing work temperature below 450 ℃ carbon steel or alloy steel shaft and valves, etc..

D507Mo valve surfacing electrode meets GBEDCr-A2-15

Description: D507Mo low hydrogen sodium type of 1Cr13 valve surfacing electrode. The Surfacing metal 1Cr13 semi-ferritic high-chromium steel. Surfacing layer with air quenching characteristics, the the surfacing metal has high-temperature hardness, good thermal stability, erosion resistance. D577 electrode can be obtained with the use of a good anti-abrasion performance. Surfacing process is simple, without preheating before welding without heat treatment after welding using DCRP.

Uses: used for surfacing work temperature below 510 ℃ temperature and high pressure shut-off valve sealing surface. Gate valve sealing surface of the electrode with the D577 electrode should be used in conjunction with (valve seat and disc with the above two electrodes). D507MoNb valve surfacing electrode meets GBEDCr-A1-15,

Description: 1Cr13 valve surfacing electrode of the D507MoNb low hydrogen sodium type DCRP drug skin added the right amount of Mo, Nb strengthen the stabilizing element, so the the surfacing metal has better antioxidant activity and crack resistance.

Purposes: for the working temperature below 450 ℃, the low pressure valve sealing surface surfacing.

D512 valve surfacing electrode meets GBEDCr-B-03

Description: D512 2Cr13 valve surfacing electrode is titanium calcium type, AC and DC welding process. The Surfacing metal 2Cr13 martensitic high chromium steel. Surfacing layer with air quenching properties, generally without heat treatment, uniform hardness can be softened by annealing at 750-800 ℃, when heated to 950-1000 ℃ air cooling or oil quenching hardening.

Uses: D512 is a generic surfacing electrode the surfacing layer than D502 harder, more wear-resistant and more difficult to process for surfacing carbon or low alloy steel shaft, superheated steam valve parts, mixer paddle, screw conveyor blades.

D516MA valve surfacing electrode meets GBEDCrMn-A-16

Description: D516MA high chromium-manganese steel welding electrodes, low hydrogen potassium type coating deposited metal has good abrasion resistance, heat resistance, corrosion resistance, and thermal cracking performance welding process is simple, without preheating before welding, without heat treatment after welding, surfacing layer can be cutting.