Products
YAWATA N-1 (For 1.25%Cr-0.5%Mo Heat Resisting Steel)
Classification : AWS A 5.5 : E8016-B2
Approvals : TIS
Application : Welding of piping steel (STPA22, 23, A335-P11, P12), boiler and heat exchanger tubes (STB22, 23, A199-T11, A213-T11, T12), rolled steels (SCMV2, 3, A387Gr11, 12), cast steels (A217 WC6) and forged steels (A 182-F11, F12, A 336-F12).
YAWATA N-1 is an extra low hydrogen type with 1.25%Cr-0.5%Mo low alloy steel electrode. Suitable for welding 1～1.5%Cr-0.5%Mo steels to be used at high temperatures up to 550℃.
AWS A 5.5 : E8016-B2
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
|
|
Req.
|
0.05-0.12
|
≤0.60
|
≤0.60
|
≤0.030
|
≤0.030
|
1.0-1.5
|
0.40-0.65
|
|
Typ.
|
0.08
|
0.70
|
0.80
|
0.008
|
0.008
|
1.23
|
0.60
|
Typ. = Typical results
N.S. = Not Specified
| Tensile Strength N/mm2 (kgf/mm2) |
Yield Strength N/mm2 (kgf/mm2) |
Elongation % |
Heat Treatment | |
| Req. | ≥XX | ≥XX | ≥XX | xx |
| Typ. | 630 (64) | 540 (55) | 28 | 690oC x 1h |
| 1000h Creep-rupture Strength, N/mm2 (kgf/mm2) | Heat Treatment | |
| 550oC | 600oC | 150-210 |
| 180 (18) | 90 (9) | 720oC x 1h |
| Diameter /Length (mm) |
2.6/300 | 3.2/350 | 4.0/400 | 5.0/450 |
| Welding Position | Current (A) | |||
| F | 60-90 | 90-140 | 140-190 | 190-240 |
| V, OH | 50-80 | 80-120 | 110-150 | 140-180 |
1. Use dry electrodes only.
2. Damp electrodes should be re-dried at 300～400℃ for 60 minutes before use.
3. Preheating at 150～300℃ and postheating at 620～720℃ are required.
2. Damp electrodes should be re-dried at 300～400℃ for 60 minutes before use.
3. Preheating at 150～300℃ and postheating at 620～720℃ are required.
Related industries
Energy Industry
Energy Industry
