E2553雙相不銹鋼焊條
GB/T E2553
AWS A5.4 E2553
特征與用途
該焊條熔敷金屬的顯微組織為奧氏體-鐵素體基體的雙相組織，使焊縫金屬的強(qiáng)度增加，并提高抗點(diǎn)腐蝕性能和應(yīng)力腐蝕開(kāi)裂的能力。通常用于焊接Cr約為25%的雙相不銹鋼。
熔敷金屬化學(xué)成分典型值%
牌號(hào)
C
Si
Mn
S
P
Cr
Ni
Mo
Cu
N
E2553
0.036
0.60
0.90
0.011
0.017
25.60
7.10
3.20
2.1
0.25
熔敷金屬力學(xué)性能典型值
牌號(hào)
Rm(MPa)
室溫
A(%)
室溫
E2553
860
19
參考焊接規(guī)范
焊條直徑（mm）
2.5
3.2
4.0
電流范圍（A）
50~80
80~110
110~160
| AWS | YB5092-2005 | 焊絲化學(xué)成分（%） | 用 途 | |||||||||
| C | Si | Mn | P | S | Cr | Ni | Mo | Cu | 其它 | |||
| ER307 | H1Cr21Ni9Mn4Mo | 0.04-0.14 | 0.30-0.65 | 3.3-4.75 | ≤0.030 | ≤0.030 | 19.5-22.0 | 8.0-10.7 | 0.5-1.5 | ≤0.75 | 用于裝甲、集裝箱的焊接 | |
| ER308 | H08Cr21Ni10 Si | ≤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 | 用于工作溫度低于300℃的0Cr19Ni9不銹鋼結(jié)構(gòu)的焊接 | |
| ER308L | H03Cr21Ni10 Si | ≤0.030 | 0.30-0.65 | 1.00-2.50 | ≤0.030 | ≤0.030 | 19.50-22.00 | 9.00-11.00 | ≤0.75 | ≤0.75 | 用于超低碳00Cr19Ni10或0Cr18Ni10Ti不銹鋼的焊接 | |
| ER308Si | H08Cr21Ni10Si1 | ≤0.08 | 0.65-1.00 | 1.00-2.50 | ≤0.030 | ≤0.030 | 19.50-22.00 | 9.00-11.00 | ≤0.75 | ≤0.75 | 用于工作溫度低于300℃的0Cr19Ni9不銹鋼結(jié)構(gòu)的焊接 | |
| ER308LSi | H03Cr21Ni10Si1 | ≤0.030 | 0.65-1.00 | 1.00-2.50 | ≤0.030 | ≤0.030 | 19.50-22.00. | 9.00-11.00 | ≤0.75 | ≤0.75 | 用于超低碳00Cr19Ni10或0Cr18Ni10Ti不銹鋼的焊接 | |
| ER308L-G | — | ≤0.030 | 0.50-0.85 | 1.00-2.50 | ≤0.015 | ≤0.025 | 19.50-22.00 | 9.00-11.00 | ≤0.75 | ≤0.75 | 鐵路貨車專用焊材 | |
| ER309 | H12Cr24Ni13Si | ≤0.12 | 0.30-0.65 | 1.00-2.50 | ≤0.030 | ≤0.030 | 23.00-25.00 | 12.00-14.00 | ≤0.75 | ≤0.75 | 同類型不銹鋼及異種鋼的焊接 | |
| ER309L | H03Cr24Ni13 | ≤0.030 | 0.30-0.65 | 1.00-2.50 | ≤0.030 | ≤0.030 | 23.00-25.00 | 12.00-14.00 | ≤0.75 | ≤0.75 | 用于相同類型的不銹鋼及復(fù)合鋼板或異種鋼焊接 | |
| ER309Si | H12Cr24Ni13Si1 | ≤0.12 | 0.65-1.00 | 1.00-2.50 | ≤0.030 | ≤0.030 | 23.00-25.00 | 12.00-14.00 | ≤0.75 | ≤0.75 | 同類型不銹鋼及異種鋼的焊接 | |
| ER309LSi | H03Cr24Ni13Si1 | ≤0.030 | 0.65-1.00 | 1.00-2.50 | ≤0.030 | ≤0.030 | 22.50-24.50 | 12.00-14.00 | ≤0.75 | ≤0.75 | 用于相同類型的不銹鋼及復(fù)合鋼板或異種鋼焊接 | |
| ER309L-G | — | ≤0.030 | 0.50-0.85 | 1.00-2.50 | ≤0.015 | ≤0.025 | 19.50-22.00 | 12.00-14.00 | ≤0.75 | ≤0.75 | 鐵路貨車專用焊材 | |
| ER310 | H12Cr26Ni21Si | 0.08- 0.15 | 0.30-0.65 | 1.00-2.50 | ≤0.030 | ≤0.030 | 25.00-28.00 | 20.00-22.50 | ≤0.75 | ≤0.75 | 焊接高溫條件下工作的同類型不銹鋼、異種鋼的焊接 | |
| - | H08Cr26Ni21 | ≤0.08 | ≤0.65 | 1.00-2.50 | ≤0.030 | ≤0.030 | 25.00-28.00 | 20.00-22.50 | ≤0.75 | ≤0.75 | 焊接高溫條件下工作的同類型不銹鋼、異種鋼的焊 | |
