D502 valve surfacing Welding Electrode  in line with GBEDCr-A1-03
       Description: The D502 is titanium calcium type skin the 1Cr13 type valve surfacing electrode can be AC ??and DC welding process. Surfacing metal for the 1Cr13 half ferritic high-chromium steel. Surfacing layer has the characteristics of air quenching, generally not to be heat-treated, uniform hardness and softening can also be annealed in the 750-800 ° C, when heated to 900-1000 ° C air-cooled or oil quenched, and the re-hardening.

Uses: This is a versatile surfacing electrode for surfacing operating temperature below 450 ℃ carbon steel or alloy shafts and valves.

D507 valve surfacing welding rod in line with GBEDCr-A1-15

Description: The D507 is a low hydrogen sodium type coating the 1Cr13 valve surfacing welding rod, using DCRP. Surfacing metal for the 1Cr13 half ferritic high-chromium steel. Surfacing layer has the characteristics of air quenching, generally not to be heat-treated, uniform hardness and softening can also be annealed in the 750-800 ° C, when heated to 900-1000 ° C air-cooled or oil quenched, and the re-hardening.

Uses: This is a versatile surfacing electrode for surfacing operating temperature below 450 ℃ carbon steel or alloy shafts and valves.

D507Mo valve surfacing welding rod in line with GBEDCr-A2-15

Description: The D507Mo the 1Cr13 valve low hydrogen sodium type coating surfacing electrode. Surfacing metal for the 1Cr13 half ferritic high-chromium steel. Surfacing layer with air quenching characteristics of the deposited metals with high temperature hardness, good thermal stability, erosion resistance. D577 electrode used in conjunction with good anti-abrasion performance. Surfacing process is simple, no preheating before welding without heat treatment after welding using DCRP.

Purposes: to surfacing operating temperature below 510 ℃ temperature and high pressure cut-off valve sealing surface. Gate valve sealing surface should be of the electrodes and the D577 electrode used in conjunction with (valve seat and disc, respectively, with more than two electrodes). D507MoNb valve surfacing welding rod in accordance with GBEDCr-A1-15

Description: D507MoNb low hydrogen sodium type coating the 1Cr13 type valve Nickel Electrodes, the use of DCRP, drug skin by adding the appropriate amount of Mo, Nb strengthened and stable element, it is surfacing metal has good resistance to oxidation and anti-crack performance.

Uses: used for the operating temperature below 450 ℃, the low pressure valve sealing surface of the surfacing.

D512 valve surfacing electrode comply with GBEDCr-B-03

Description: The D512 is titanium calcium type skin the 2Cr13 type valve surfacing electrode, AC and DC welding process. Surfacing metal 2Cr13 martensitic high chromium steel. Surfacing layer has the characteristics of air quenching, generally without heat treatment, uniform hardness, softening annealing in the 750-800 ° C, when heated to 950-1000 ° C air-cooled or oil quenching can be re-hardened.

Purposes: D512 is a versatile surfacing welding rods, welding layer than the D502 is harder and more wear-resistant, difficult to process for surfacing carbon steel or low alloy steel shaft, superheated steam valves, mixer paddle, screw conveyor blades.

D516MA valve surfacing electrode comply with GBEDCrMn-A-16

Description: D516MA the low hydrogen potassium type coating of chromium-manganese steel surfacing electrode deposited metal has good abrasion resistance, heat resistance, corrosion resistance and thermal crack performance, welding technology, welding without preheating, without heat treatment after welding, surfacing layer for cutting.