Low-Alloy Steels Manual Electrode E7018-C2L HEC – three, Haiyang MSR welding wire coil
The main composition is 3.5%Ni steel, low hydrogen potassium type hand welding rod, at -100°C operating temperature, its melting the metal coated impact toughness is excellent
Stable arc, less splash, good molding, easy slag removal
X-Ray performance is excellent
CHEMICAL COMPONET:
ALLOY(wt%) | C | Si | Mn | P | S | Ni | Cr | Mo | Other | |
GB/T RULES | 0.032 | 0.18 | 0.66 | 0.004 | 0.003 | 3.58 | 0.031 | 0.009 | - |
MECHANICAL PROPERTY:
PROPERTY | YIELD STRENGTH(MPa) | EXTENSION STRENGTH(MPa) | Elongation(%) | IMAPACT VALUE J/℃ | Heat treatment °C*h | |||||
GB/T RULES | 485 | 565 | 27 | 67/-100 | 620*1 |
RECOMMENDED WELDING PARAMETERS:
DIAMETERS SPECIFICATIONS(mm) | 2.6*350 | 3.2*350 | 4.0*400 | 5.0*400 | |||||
ELECTRICITY (Amp) |
H/W | 70-100 | 100-140 | 140-180 | 180-230 | ||||
O/W | 60-90 | 90-130 | 120-160 | - |
Sino-russian eastern front
Haiyang Nuclear Power Plant
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400,000 tons ore carrier
CHEMICAL COMPONET:
ALLOY(wt%) | C | Si | Mn | P | S | Ni | Cr | Mo | Other | |
GB/T RULES | 0.032 | 0.18 | 0.66 | 0.004 | 0.003 | 3.58 | 0.031 | 0.009 | - |
MECHANICAL PROPERTY:
PROPERTY | YIELD STRENGTH(MPa) | EXTENSION STRENGTH(MPa) | Elongation(%) | IMAPACT VALUE J/℃ | Heat treatment °C*h | |||||
GB/T RULES | 485 | 565 | 27 | 67/-100 | 620*1 |
RECOMMENDED WELDING PARAMETERS:
DIAMETERS SPECIFICATIONS(mm) | 2.6*350 | 3.2*350 | 4.0*400 | 5.0*400 | |||||
ELECTRICITY (Amp) |
H/W | 70-100 | 100-140 | 140-180 | 180-230 | ||||
O/W | 60-90 | 90-130 | 120-160 | - |
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