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上海斯米克料L308 72%银焊条72%银焊丝72%银焊片
来自：长城特种耐磨焊条厂
面议
发布时间：2018-6-9
关注次数：302
产品参数
商品详情
上海斯米克料L308 72%银焊条72%银焊丝72%银焊片
名称：料308 72%银基钎料成分：Ag=71-72%；Cu=27-29%。
说明：料308钎料是银铜二元共晶钎料，不含易挥发元素，在铜及镍上润湿性良好，但在钢及不锈钢上润湿性较差。导电性是银钎料中最好的一种。
用途：料308钎料含银量为72%，熔点为779-780℃，适用于钎焊铜和镍的真空或还原气氛保护钎焊.主要用于电子管、真空器件及电子元件等。
注意：除在真空或保护气氛中钎焊外，须配合银焊粉QJ101，QJ102，QJ103或银焊膏QJ111，QJ112，QJ112A。
符合：GB/T10046-2008 型号：BAg72Cu
符合：AWS A5.8-2004 型号：BAg-8
品牌：飞机牌(上海名牌)
厂商：上海斯米克焊材有限公司
Category
Trade-
Equivalent to China Standard
Characteristics & application
Equivalent to AWS
Hard-surfacing
硬
面
堆
焊
D 667
EDZCr-B-15
HRc≥48. Resistance to wear, gas corrosion and oxidation. Hardfacing of blast furnace hopper and cracker part.
D 802
EDCoCr-A-03
HRc38-47. Resistance to heat, wear and corrosion. Hardfacing of high temperature part such as the edge of thermo-cutter.
ECoCr-A
D 812
EDCoCr-B-03
HRc45-50. Resistance to heat, wear and corrosion. Hardfacing of high temperature part such as internal-combustion engine valve.
ECoCr-B
D 822
HRc≥53. Resistance to Wear and heat, bad shock resistance. Hardfacing of rotating blade wheel of boiler.
D 832
EDCoCr-C-03
HRc≥50. Wear and heat resistance. Hardfacing of high temperature part such as hot-rolling guided way.
ECoCr-C
D 842
EDCoCr-D-03
HRc28-38. Corrosion and thermo-fatigue resistance, work harding. Hardfacing of hot forging die.
Cast iron
铸
铁
Z 308
EZNi
Pure nickel, excellent general properties. Used to weld thin cast iron part and repair welding machined surface, such as guided way of machine tool.
ENi-Cl
Z 408
EZNiFe
Iron nickel, high strength and excellent ductility. Repair welding of important gray cast iron and nodular cast iron, such as cylinder cap.
ENiFe-Cl
Z 508
EZNiCu-1
Copper nickel, good machinability and bad crack resistance. Repair welding of sand hole and gray cast iron machined surface subject to no load.
ENiCu-B
Copper alloys
铜
合
金
Cu 107
ECu
Red copper, atmosphere and sea water corrosion and excellent electric conductivity. Welding of red copper such as electrical copper row.
ECu
Cu 207
ECuSi
Silicon bronze, corrosion resistance and high strength. Welding of copper, silicon bronze and brass.
ECuSi
Cu 227
ECuSnB
Tin phosphor bronze, corrosion resistance and high strength. Welding of copper, silicon bronze and brass.
ECuSn-C
Cu 237
ECuAl
Aluminum bronze, wear and corrosion and high strength. Welding or surfacing of copper alloys.
ECuAl-A2
Aluminum alloys
铝
合
金
Al 109
TAl
Pure aluminum, excellent corrosion resistance and middle strength. Welding of pure aluminum.
E1100
Al 209
TAlSi
Silicon aluminum, good crack resistance and wide range of usage. Welding of aluminum alloys other than aluminum magnesium alloys.
E4043
Al 309
TAMn
Manganese aluminum, corrosion resistance and high strength. Welding of aluminum alloys.
E3003
Nickel alloys
镍合金
Ni 102
ENi-1
Pure nickel. Welding and surfacing of nickel and nickel to steel.
ENi-1
Ni 207
ENiCu-7
Copper nickel. Welding and surfacing of copper nickel and copper nickel to steel.
ENiCu-7
Category
类别
Trade
牌号
Chemical composition
主要成份(%)
Characteristics & application
特性和用途
Equivalent to AWS
相当AWS
Hardfacing
硬
面
堆
焊
S 101
C3 Cr28 Ni4
HRc48-54. Resistance to wear, gas corrosion and oxidation. Hardfacing of bucket tooth and case pump.
S 111
C1 Cr29 W5
HRc38-47. Resistance to wear and corrosion at high-temperature. Hardfacing of high temperature and pressure valve.
ECoCr-A
S 112
C1.5 Cr29 W8
HRc45-50. Resistance to wear and corrosion at high-temperature. Hardfacing of valve and hot-rolling pass.
ECoCr-B
S 113
C2.5 Cr30 W17
HRc≥55. Wear and heat resistance at high temperature, bad shock resistance. Hardfacing of screw charging carriage.
S 114
C2.5 Cr30 W12
HRc≥53. Wear and heat resistance at high temperature, bad shock resistance. Hardfacing of three-cone bit.
ECoCr-C
Copper
alloys
铜
合
金
S 201
Sn1 Si0.3Mn0.3
Good mechanical properties and crack resistance. Gas welding and argon arc welding of red copper.
ERCu
S 211
Si3 Mn1
Good mechanical properties. Argon arc welding of copper alloys and MIG brazing of steel.
ERCuSi-Al
S 212
Sn5 Cu Rem.
Wear resistance. Argon arc welding of copper alloys and surfacing of steel.
ERCuSn-A
S 213
Sn8 Cu Rem.
Wear resistance. Argon arc welding of copper alloys and surfacing of steel.
ERCuSn-C
S 214
Al7.5 Cu Rem.
Wear and corrosion resistance. Argon arc welding of copper alloys and surfacing of steel.
ERCuAl-A1
S 215
Al9 Cu Rem.
Wear and corrosion resistance. Argon arc welding of copper alloys and surfacing of steel.
ERCuAl-A2
S 221
Cu60 Sn1 Si0.3
Melting point is about 890℃. Gas welding and carbon arc welding of brass, also braze welding of copper, steel and cast iron.
S 221F
Cu60 Sn1 Si 0.3
S221 welding rod coated with flux.
S 222
Cu58Sn0.9Si0.1
Melting point is about 880℃. Gas welding and carbon arc welding of brass, also braze welding of copper, steel and cast iron.
RBCuZn-C
S 222F
Cu58Sn0.9Si0.1
S222 welding rod coated with flux.
RBCuZn-C
S 223
Cu59 Sn0.6
Melting point is about 900℃. Braze welding of copper, steel and cast iron.
RBCuZn-A
S 224
Cu62 Si0.5
Melting point is about 905℃. Gas welding and carbon arc welding of brass, also braze welding of copper, steel and cast iron.
Copper
铜
合
金
S 225
Cu48 Ni10
Melting point is about 935℃and high strength. Braze welding of steel, nickel and carbide alloys.
RBCuZn-D
S 225F
Cu48 Ni10
S225 welding rod coated with flux.
RBCuZn-D
S 226
Cu60 Sn0.3
Melting point is about 900℃. Gas welding of brass, also braze welding of copper, steel and cast iron.
S 227
Cu58Sn0.9Ni0.5
Melting point is about 880℃. Gas welding and carbon arc welding of brass, also braze welding of copper, steel and cast iron.
RBCuZn-B
S 229
Cu55 Ni6 Mn4
Melting point is about 920℃, high strength. Braze welding of steel, nickel and hard carbide.
Aluminum alloys
铝
合
金
S 301
Al≥99.5
Good ductility and corrosion resistance. Gas welding and argon arc welding of pure aluminum.
ER1100
S 311
Si5 Al Rem.
Corrosion resistance, wide range of usage. Gas welding and argon arc welding of aluminum alloys other than high magnesium alloys.
ER4043
S 321
Mn1.3 Al Rem.
Good corrosion resistance, weldability and ductility. Gas welding and argon arc welding of aluminum alloys.
S 331
Mg5 Mn0.4
Corrosion resistance and high strength. Argon arc welding of aluminum alloys.
ER5183
斯米克钎焊料分别有：（铜锌钎焊料），（铜磷银基钎焊料），（铝基钎焊料），（锡铅钎焊料），（镍基钎焊料).简介如下：
Category
Trade-mark
Specification
Melting
Chemical
Application
Equivalent
Copper
铜锌
L103
Wire & rod
885-888
Cu54 Zn Rem.
Brazing of copper, bronze and steel, subjected to low load.
L104
Foil
890-930
Cu57 Mn2
Brazing of carbide cutting tool.
Copper
铜磷
L201
Cast rod, wire & rod, powder
710-800
P7 Cu Rem.
Brazing of copper and copper alloys.
BCuP-2
L204
Cast rod, wire
640-815
P5 Ag15
Brazing of copper, copper alloys, silver and molybdenum etc.
BCuP-5
L205
Cast rod, wire & rod, powder
640-800
P6 Ag5
Brazing of copper and copper alloys.
BCuP-3
L207
Cast rod, wire & rod
640-770
P7 Ag5
Brazing of copper and copper alloys.
BCuP-7
L209
Cast rod, wire
684-710
P7 Ag2
Brazing of copper and copper alloys.
BCuP-6
Silver
银基
L302
Wire & rod
745-775
Ag25 Cu40
Brazing of copper, copper alloys, steel and stainless steel etc.
L303
Wire & rod
660-725
Ag45 Cu30
Brazing of copper, copper alloys, steel and stainless steel etc.
BAg-5
L303F
Flux coated rod
660-725
Ag45 Cu30
L303 coated with flux, the same application as L303.
BAg-5
L304
Foil
690-775
Ag50 Cu34
Brazing of copper, copper alloys and steel etc.
BAg-6
L308
Wire & rod
779-780
Ag72 Cu Rem.
Brazing of copper and nickel under vacuum or reducing protective atmosphere.
BAg-8
L312
Wire & rod
595-605
Ag40.Cu.Zn.Cd
Brazing of copper, copper alloys, steel and stainless steel etc.
L313
Wire & rod
625-635
Ag50.Cu.Zn.Cd
Brazing of copper, copper alloys, steel and stainless steel etc.
BAg-1a
L321
Wire & rod
丝
615-650
Ag56.Cu.Zn.Sn
Brazing of copper, copper alloys, steel and stainless steel etc.
BAg-7
L323
Wire & rod
665-755
Ag30.Cu.Zn.Sn
Brazing of copper, copper alloys, steel and stainless steel etc.
L325
Wire & rod
645-685
Ag45.Cu.Zn.Sn
Brazing of copper, copper alloys, steel and stainless steel etc.
BAg-36
L326
Wire & rod
650-720
Ag38.Cu.Zn.Sn
Brazing of copper, copper alloys, steel and stainless steel etc.
BAg-34
Aluminum base
铝基
L400
Cast rod, wire & rod
577-582
Si11.5
Brazing of aluminum and aluminum alloys.
BAlSi-4
L401
Cast rod
525-535
Si5 Cu28
Brazing of aluminum and aluminum alloys.
Tin lead
锡铅
L600
Wire & rod
183-185
Sn60 Sb≤0.8
Soldering of fusible metals and heat-treated part.
60Sn
L601
Wire & rod
183-227
Sn18 Sb2
Soldering of copper, copper alloys and galvanized iron plain sheet.
18Sn
L602
Wire & rod
183-256
Sn30 Sb2
Soldering of copper, brass, copper alloys and galvanized iron plain sheet.
30Sn
L603
Wire & rod
183-235
Sn40 Sb2
Soldering of copper, copper alloys, steel and zinc parts.
40Sn
L604
Wire & rod
183-222
Sn90 Sb≤0.15
Soldering of copper and steel for food and medicine field.
90Sn
L605
Wire & rod
232-240
Ag5 Sn95
Soldering of copper and steel for electrical and food field.
L608
Wire & rod
295-305
Sn5.5 Ag2.5
Soldering of copper, copper alloys, steel and stainless steel.
Nickel base
镍基
L702
Powder
970-1000
Cr7 B3 Si4
Brazing of stainless steel under vacuum or protective atmosphere.
BNi-2
Category
Trade-mark
Product name
Characteristics & application
Gas
气焊
CJ301
Copper gas welding flux
Melting point is about 650℃, flux for gas welding and brazing of copper and copper alloys.
CJ401
Aluminum gas welding flux
Melting point is about 560℃, flux for gas welding of aluminum and aluminum alloys.
Silver
银钎焊
QJ101
Silver brazing flux
Brazing flux of copper, copper alloys, steel and stainless steel within 550-750℃.
QJ102
Silver brazing flux
Brazing flux of copper, copper alloys, steel and stainless steel within 600-850℃.
QJ102A
Silver brazing flux
Brazing flux of copper, copper alloys, steel and stainless steel within 600-850℃. Non agglomeration.
QJ112
Silver brazing paste flux
膏状银钎焊熔剂
Brazing flux of copper, copper alloys, steel and stainless steel within 600-850℃.
QJ103
Silver brazing flux
Brazing flux of copper, copper alloys, steel and stainless steel within 550-750℃.
Aluminum brazing
铝钎焊
QJ201
Aluminum brazing flux
Brazing flux of aluminum and aluminum alloys within 450-620℃.
QJ207
Aluminum brazing flux
Brazing flux of aluminum and aluminum alloys within 560-620℃.
Category
Trade-
Chemical
Hardness
Application
Oxy-
氧
乙
炔
焰
喷
焊
F103
Cr10 B1.5 Si3 Ni Rem.
HRc 25
Spray-fusing of cast iron parts,,, such as die for glass, cylinder, and guide.
F101
Cr10 B2.5 Si3 Ni Rem.
HRc 45
Spray-fusing of parts resistance to wear and corrosion, such as valve, the rotator and piston of pump.
F101Fe
Cr10 B2.5 Si3 Fe10
Ni Rem.
HRc 45
Spray-fusing of corrosion-resistant parts, such as axle and stigma.
F102
Cr16 B4 Si4 Ni Rem.
HRc 60
Spray-fusing of parts resistance to wear, corrosion and high temperature oxidation, such as die and piston.
F102Fe
Cr16 B4 Si4 Fe15
Ni Rem.
HRc 60
Spray-fusing of corrosion-resistant parts, such as axle and cold die.
F105
F102+50%WC
HRc 60
Spray-fusing of parts resistance to grain-wear , such as guide plate, scraper and blade of fan.
F105Fe
F102Fe+35%WC
HRc 60
Spray-fusing of parts resistance to grain-wear, such as guide plate, scraper and blade of fan.
F108
F102+80%WC
HRc 60
Spray-fusing of parts resistance to strong grain-wear and free machining, such as harrow teeth of dredger.
F301
Cr5 B4 Si4 Ni30
Fe Rem.
HRc 45
Spray-fusing of vulnerable parts of agricultural machinery and mining machinery, such as gear and axletree.
Track iron powder
轨铁粉
Cr5 B1.5 Si3 Ni30
Fe Rem.
HRc 28
Repair spray-fusing of defects such as scratch and concavity of railroad track.
Oxy-acetylene flame spraying
氧
乙
炔
焰
喷
涂
F111
Cr5 B1.5 Si3 Ni30
Fe Rem.
HB 150
Spraying of bearing and cutting parts etc.
F113
Cr10 B1.5 Si3 Ni Rem.
HB 250
Spray-fusing or spraying, such as roll, piston and axle of wear and corrosion resistance.
F313
Cr15 B1.5 Fe Rem.
HB 250
Spraying of dryer of papermaking and axle.
F314
Cr18 Ni9 B1.5 Fe Rem.
HB 250
Spraying of axle.
F412
Sn10 P0.3 Cu Rem.
HB 80
Spraying of axle and bearing.
F512
复合Al5Ni95
Backing spray of transition layer between base and working layer.
PTA
hardfacing
等
离
子
弧
喷
焊
F221
Cr26 W5 B0.7 Co Rem.
HRc 43
PTA hardfacing of sealing surface of high temperature and high pressure valve and the edge of hot shearing tool.
F223
Cr21 W5 B1.5 Co Rem.
HRc 40
PTA hardfacing of parts resistance to wear and corrosion at high temperature, such as valve under high temperature and high pressure, and blower.
F321
Cr13 B1.5 Si1 Fe Rem.
HRc 45
PTA hardfacing of corrosion-resistant parts under mid-temperature and mid-pressure, such as stop-plate etc.
F322
Cr23 Ni13 Si5 B1
Fe Rem.
HRc 40
PTA hardfacing of corrosion-resistant parts under mid-temperature and mid-pressure, such as valve base etc.
F422
Sn10 P0.3 Cu Rem.
HB 80
PTA hardfacing of axle and bearing etc.
类别
Mark
牌号
相当国标
特性和用途
相当AWS
HRc≥48，耐磨、耐气蚀、抗氧化。堆焊高炉料钟、破碎机件
HRc38-47，耐热、耐蚀、耐磨。堆焊高温工件如热剪切刀刃
HRc45-50，耐热、耐蚀、耐磨。堆焊高温工件如内燃机阀
HRc≥53，耐热、耐磨，但抗冲击性差。堆焊锅炉旋转叶轮
HRc≥50，耐热、耐磨。堆焊高温工件如热轧导轨
HRc28-38，耐蚀、抗热疲劳，具有加工硬化性。堆焊热锻模
纯镍，综合性能好。铸铁薄件及加工面补焊用，如机床导卫
镍铁，强度高、塑性好。重要灰铸铁及球铁焊补用，如汽缸盖
镍铜，易加工，但抗裂性较差。不受力的灰铸铁加工面及砂眼补焊
紫铜，耐大气，海水腐蚀，导电性好。紫铜焊接用，如导电铜排
硅青铜，耐蚀、强度高。铜、硅青铜及黄铜焊接用
锡磷青铜，耐蚀、强度高。铜、硅青铜及黄铜焊接用
铝青铜，耐磨、耐蚀，强度高。铜合金焊接或堆焊用
纯铝，耐蚀性好，但强度不高，纯铝焊接用
铝硅，抗裂性好，通用性大。铝合金焊接用，不宜焊接铝镁合金
铝锰，强度高，耐蚀。铝合金焊接用
纯镍，用于镍、镍与钢的焊接与堆焊
镍铜，用于镍铜、镍铜与钢的焊接与堆焊
mark
Si3.5 Fe Rem.
HRc48-54，耐磨、耐气蚀、抗氧化。堆焊铲斗齿，泵套
Co Rem.
HRc38-47，高温下耐磨、耐蚀。堆焊高温高压阀门
Co Rem.
HRc45-50，高温下耐磨、耐蚀。堆焊阀门，热轧孔型
Co Rem.
HRc≥55，高温下耐磨、耐热，但抗冲击性差。堆焊螺旋送料机用
Co Rem.
HRc≥53，高温下耐磨、耐热，但抗冲击较差。堆焊牙轮钻头
Cu Rem.
机械性能好，抗裂性好。紫铜气焊及氩弧焊用
Cu Rem.
机械性能好，铜合金氩弧焊及钢的MIG钎焊用
耐磨性好。铜合金氩弧焊及钢的堆焊用
耐磨性好。铜合金氩弧焊及钢的堆焊用
耐磨、耐蚀。铜合金氩弧焊及钢的堆焊用
耐磨、耐蚀。铜合金氩弧焊及钢的堆焊用
Zn Rem.
熔点约890℃。黄铜气焊及碳弧焊用，也可钎焊铜、钢、铸铁
Zn Rem.
外涂焊剂的S221焊丝
Fe0.8 Zn Rem.
熔点约880℃。黄铜气焊及碳弧焊用，也可钎焊铜、钢、铸铁
Fe0.8 Zn Rem.
外涂焊剂的S222焊丝
Zn Rem.
熔点约900℃。铜、钢、铸铁钎焊用
Zn Rem.
熔点约905℃。黄铜气焊及碳弧焊用，也可钎焊铜、钢、铸铁
alloys
Zn Rem.
熔点约935℃。高强度,钎焊钢、镍及硬质合金用
Zn Rem.
外涂焊剂的S225焊丝
Si0.2 Zn Rem.
熔点约900℃。黄铜气焊用，也可钎焊铜、钢、铸铁
Si0.1 Fe0.8
Zn Rem.
熔点880℃。黄铜气焊及碳弧焊用，也可钎焊铜、钢、铸铁
Zn余
熔点约920℃。高强度,钎焊钢、镍及硬质合金用
塑性好、耐蚀。纯铝气焊、氩弧焊用
抗裂性好，通用性大。铝合金气焊、氩弧焊用。不宜用高镁合金
良好的耐蚀性、可焊性及塑性。铝合金气焊、氩弧焊用
Al Rem.
耐蚀，强度高。铝合金氩弧焊用
类别
牌号
规格
Point
熔点(℃)
composition
主要成份(%)
用途
to AWS
相当AWS
zinc
丝
钎焊铜、青铜和钢等受力不大工件
箔
Co2 Zn Rem.
钎焊硬质合金刀具
phosphorus
铸条、丝、粉
钎焊铜及铜合金
铸条、丝
Cu Rem.
钎焊铜及铜合金、银、钼等金属。
铸条、丝、箔
Cu Rem.
钎焊铜及铜合金
铸条、丝
Cu Rem.
钎焊铜及铜合金
铸条、丝
Cu Rem.
钎焊铜及铜合金。
base
丝
Zn Rem.
钎焊铜及铜合金、钢及不锈钢等
丝
Zn余
钎焊铜及铜合金、钢及不锈钢等
涂药丝
Zn Rem.
外涂钎剂的L303，用途与L303相同
箔
Zn Rem.
钎焊铜及铜合金、钢等
丝
铜和镍的真空或还原保护气氛钎焊
丝
钎焊铜及铜合金、钢及不锈钢等
丝
钎焊铜及铜合金、钢及不锈钢等
钎焊铜及铜合金、钢及不锈钢等
丝
钎焊铜及铜合金、钢及不锈钢等
丝
钎焊铜及铜合金、钢及不锈钢等
丝
钎焊铜及铜合金、钢及不锈钢等
铸条、丝
Al Rem.
铝及铝合金的钎焊
铸条
Al Rem.
铝及铝合金的钎焊
丝
Pb Rem.
易熔金属及热处理件的钎焊
丝
Pb Rem.
铜及铜合金、镀锌铁皮的钎焊。
丝
Pb Rem.
铜、黄铜、铁、镀锌铁皮的钎焊
丝
Pb Rem.
铜及铜合金、钢、锌制零件的钎焊
丝
Pb Rem.
食品、医疗所需铜、钢等金属的钎焊
丝
电器、食品所需铜、钢等金属的钎焊
丝
Pb Rem.
铜及铜合金、钢及不锈钢的钎焊
粉
Ni Rem.
不锈钢真空或保护气氛钎焊
类别
牌号
名称
特性和用途
welding
铜气焊熔剂
熔点约650℃，铜及铜合金气焊或钎焊的助熔剂
铝气焊熔剂
熔点约560℃，铝及铝合金气焊的助熔剂
brazing
银钎焊熔剂
在550-750℃范围钎焊铜及铜合金、钢及不锈钢的助熔剂
银钎焊熔剂
在600-850℃范围钎焊铜及铜合金、钢及不锈钢的助熔剂
银钎焊熔剂
在600-850℃范围钎焊铜及铜合金、钢及不锈钢。不易结块
在600-850℃范围钎焊铜及铜合金、钢及不锈钢的助熔剂
银钎焊熔剂
在550-750℃范围钎焊铜及铜合金、钢及不锈钢的助熔剂
铝钎焊熔剂
在450-620℃范围钎焊铝及铝合金的助熔剂
铝钎焊熔剂
在560-620℃范围钎焊铝及铝合金的助熔剂
类别
mark
牌号
composition
化学成份(%)
硬度
用途
Acetylene
Flame
spray-
using
铸铁件的喷焊，如玻璃模具，汽缸、导轨
耐磨、耐蚀件的喷焊，如阀门、泵转子、泵柱塞
耐磨件的喷焊，如轴类、汽门
耐磨、耐蚀、抗高温氧化工件的喷焊，如模具、柱塞
耐磨件的喷焊，如轴类、冷模具
抗磨粒磨损场合的喷焊，如导板、刮板、风机叶片
抗磨粒磨损场合的喷焊，如导板、刮板、风机叶片
抗强烈磨粒磨损，无需加工场合的喷焊，如挖泥船耙齿
农机,矿山机械易损件的喷焊，如齿轮，车轴
铁路钢轨擦伤、低塌等缺陷的修复喷焊
轴承、切削件等的喷涂
喷涂亦可喷焊，如滚筒、柱塞、耐蚀耐磨轴等
造纸烘缸、轴类的喷涂
轴类喷涂
轴、轴承的喷涂
喷涂层的基体与工作层之间过渡（打底）层用喷涂
高温高压阀门密封面、热剪切刃口的等离子喷焊
高温下耐磨耐蚀件的喷焊，如高温高压阀门、鼓风机
中温中压阀门的闸板及其他耐磨件的等离子喷焊
中温中压阀门的阀座及其他耐磨件的等离子喷焊
轴、轴承等离子喷焊
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