Products
YAWATA 308R
(For 18%Cr-8%Ni Stainless Steel)
Classification : AWS A 5.4 : E308-16, JIS Z 3221 : ES308-16, DIN 8556 : E 19 9 R 26
Approvals : TIS
Application : Welding of 18%Cr-8%Ni austenitic stainless steels for chemical apparatus, containers and plants.
PDFYawata-Pamphlet-Stainless.pdf
ํYAWATA 308R is a rutile type stainless steel electrode depositing 18%Cr - 8%Ni metal. Slag is easy to remove, arc is stable, spatter is less and bead appearance is beautiful.
AWS A 5.4 : E308-16
JIS Z 3211 : ES308-16
DIN 8556 : E 19 9 R 26
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Mo
|
Cu
|
|
|
Req.
|
≤0.08
|
≤1.00
|
0.5-2.5
|
≤0.040
|
≤0.030
|
18.0-21.0
|
9.0-11.0
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≤0.75
|
≤0.75
|
|
Typ.
|
0.04
|
0.85
|
0.99
|
0.029
|
0.016
|
20.0
|
9.3
|
0.11
|
0.14
|
Typ. = Typical results
N.S. = Not Specified
C.L. = Combined Limit for Mn + Ni + Cr + Mo + V
| Tensile Stregth N/mm2 (kgf/mm2) |
Elongation % |
Creep-rupture strength (as welded, 650ºC x 1000h N/mm2) |
|
| Req. | ≥550 | ≥30 | ≥120 |
| Typ. | 610 | 47 | 130 |
| Diameter /Length (mm) |
2.0/250 | 2.6/300 | 3.2/350 | 4.0/350 | 5.0/350 |
| Welding Position | Current (A) | ||||
| F | 40-50 | 55-70 | 80-100 | 110-140 | 140-170 |
| V, OH | 35-45 | 45-65 | 70-90 | 100-130 | - |
1. Use dry electrodes only. Damp electrodes should be re-dried at 200～250℃ for 60 minutes before use.
2. Dirt such as oil, grease and dust should be completely removed from groove.
3. Excessively wide weaving may cause welding defects. Keep weaving width to less than 2.5 times electrodes diameter.
2. Dirt such as oil, grease and dust should be completely removed from groove.
3. Excessively wide weaving may cause welding defects. Keep weaving width to less than 2.5 times electrodes diameter.
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