產(chǎn)品詳情
符合:YB/T 5092-2005 H08Cr21Ni10 Si
AWS A5.9 ER308
說明:ER308是不銹鋼用MIG、TIG焊絲,其焊接工藝優(yōu)良,其焊縫金屬具有良好的力學(xué)性能及抗晶間腐蝕性能,焊縫抗裂性能良好。
用途:用于18-8、18-12和20-10型奧氏體不銹鋼的焊接,常用于相似成分母材的焊接,尤其是304型。
焊絲化學(xué)成分范圍及一例:%
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Cu |
焊絲 |
≤0.08 |
0.30-0.65 |
1.00-2.50 |
≤0.030 |
≤0.030 |
19.50-22.00 |
9.00-11.00 |
≤0.75 |
≤0.75 |
一例 |
0.040 |
0.35 |
1.85 |
0.014 |
0.008 |
20.20 |
9.58 |
0.45 |
0.34 |
焊縫金屬射線探傷要求:Ⅰ級
注意事項(xiàng)及操作要點(diǎn):
1. 焊接處須徹底清除油污、鐵銹、水份等表面雜質(zhì),以防止焊接時(shí)產(chǎn)生氣孔、裂紋等,清理時(shí),坡口面及周圍要磨出金屬光澤。
2. 焊前應(yīng)清除焊絲表面的油、垢及銹等污物。
3. 為使焊縫獲得良好的機(jī)械性能,MIG焊接的保護(hù)氣體建議采用Ar+2%O2,保護(hù)氣體流量以20-25L/min為優(yōu)。TIG焊接的保護(hù)氣體建議采用純氬氣保護(hù),純度要在99.99%以上,保護(hù)氣體流量以8-15L/min為宜。
4. 在焊接過程中,焊接線能量的大小直接影響焊縫金屬的力學(xué)性能及抗裂性能等,應(yīng)引起更多關(guān)注。
5. 以上焊接方法、條件及規(guī)范的建議僅供參考,用戶在將焊絲用于正式產(chǎn)品焊接前應(yīng)根據(jù)自身焊接特點(diǎn)進(jìn)行工藝評定。
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
鑄
鐵 |
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
銅
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 |