牌号
Model

GB

熔敷金属主要化学成分（ % ）
Typical chemical com*ition of de*ited metal

堆焊层硬度
Hardness
HRC

特点及主要用途
Description

C

Mn

Si

Cr

Mo

W

D107

EDPMn2
-15

≤ 0.20

≤ 3.50

―

―

―

―

≥ 22

常温低硬度堆焊。如车轴等磨损面。
Used for surfacing welding on low hardness under normal temperature such as axle.

D112

EDPCrMo
-A1-03

≤ 0.25

―

―

≤ 2.00

≤ 1.50

―

≥ 22

常温低硬度堆焊。适用于矿山机械的堆焊与修补。
Used for surfacing welding on low hardness under normal temperature and repairing of mining machinery.

D127

―

≤ 0.20

≤ 4.20

―

―

―

―

≥ 28

常温硬度堆焊。如车轴等磨损面。
Used for surfacing welding on middle hardness under normal temperature, such as axle.

D212

EDPCrMo
-A4-03

0.30 ～ 0.60

―

―

≤ 5.00

≤ 4.00

―

≥ 50

常温高硬度堆焊，用于堆焊挖斗、矿山机械等受磨损的机件表面。 Used for surfacing welding under normal temperature on high hardness, and repairing the parts of dredger, mining machinery.

D256

EDMn-A
-16

≤ 1.10

11.00 ～ 16.00

≤ 1.30

―

―

―

HB ≥ 170

高锰钢堆焊，适用于*碎机等受冲击磨损部位的堆焊。
Used for surfacing welding high-Mn steel, including variou*rt of he*y impact abrasion resistance.

D322

EDRCrMoWV-A1-15

≤ 0.50

V ≤ 1.00

―

≤ 5.00

≤ 2.50

7.00 ～ 10.00

≥ 55

冷冲模及切削刀具的堆焊。
For surfacing welding on cold die and cutting tool.

D337

EDRCrW
-15

0.25 ～ 0.55

―

―

2.00 ～ 3.50

―

7.00 ～ 10.00

≥ 48

热锻模堆焊
For surfacing welding hot forging die.

D517

EDCr-B-15

≤ 0.25

―

―

10.00 ～ 16.00

―

―

≥ 45

轴及过热蒸汽阀门的堆焊，堆焊金属具有空淬特性。
For surfacing welding roller and over-heat steam valves.

D547Mo

EDCrNi-B
-15

≤ 0.18

0.60 ～ 5.00

3.80 ～ 6.50

14.00 ～ 21.00

3.50 ～ 7.00

Ni:6.50 ～ 12.00

≥ 37

Nb: 0.50 ～ 1.20 ，高温高压阀门的堆焊，堆焊金属时效强化效果显著。 For surfacing welding high temperature high-pressure valves.

D608

EDZ-A1-08

2.50 ～ 4.50

―

―

3.00 ～ 5.00

3.00 ～ 5.00

―

≥ 55

*磨粒磨损表面堆焊。
For surfacing welding the surface which has