| 焊條牌號 |
符合國標
GB/T8110-1995 |
相當國外標準 |
σb |
σs |
δ5 |
Akv |
主要化學成分 |
| 美：AWS |
日：JIS |
MPa |
MPa |
% |
°C J |
C |
Si |
Mn |
Cr |
Ni |
S |
P |
Cu |
| MG49-1 |
ER49-1 |
|
|
≥490 |
≥372 |
≥20 |
室溫,≥47 |
≤0.11 |
0.65-0.95 |
1.80-2.10 |
≤0.20 |
≤0.30 |
≤0.030 |
≤0.030 |
≤0.50 |
| MG49-Ni |
|
|
|
≥490 |
≥372 |
≥20 |
-20,≥27 |
≤0.10 |
0.50-0.80 |
1.30-1.60 |
0.20-0.55 |
0.30-0.60 |
≤0.030 |
≤0.030 |
0.20-0.50 |
| MG49-G |
ER49-G |
ER70S-G |
YGW-11 |
≥490 |
≥390 |
≥22 |
0,≥27 |
≤0.15 |
0.55-1.10 |
1.40-1.90 |
- |
- |
≤0.030 |
≤0.030 |
- |
| MG50-3 |
MG50-3 |
ER70S-3 |
|
≥500 |
≥420 |
≥22 |
-18,≥27 |
0.06-0.15 |
0.45-0.75 |
0.90-1.40 |
- |
- |
≤0.035 |
≤0.025 |
≤0.50 |
| MG50-4 |
MG50-4 |
ER70S-4 |
|
≥500 |
≥420 |
≥22 |
- |
0.07-0.15 |
0.65-0.85 |
1.00-1.50 |
- |
- |
≤0.035 |
≤0.025 |
≤0.50 |
| MG50-6 |
MG50-6 |
ER70S-6 |
|
≥500 |
≥420 |
≥22 |
-30,≥27 |
0.06-0.15 |
0.80-1.15 |
1.40-1.85 |
- |
- |
≤0.035 |
≤0.025 |
≤0.50 |
| MG50-G |
MG50-G |
ER70S-G |
YGW-16 |
≥490 |
≥345 |
≥22 |
-30,≥27 |
≤0.15 |
0.40-1.00 |
0.85-1.60 |
- |
- |
≤0.030 |
≤0.030 |
- | |
