Low-alloy steels Manual electrode E8018-B3L Seal stuff
Low hydrogen potassium type hand electrode has excellent creep resistance under 550C high temperature working conditions
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 | 0.046 | 0.35 | 0.7 | 0.015 | 0.01 | 0.022 | 2.18 | 0.97 | - |
MECHANICAL PROPERTY:
PROPERTY | YIELD STRENGTH(MPa) | EXTENSION STRENGTH(MPa) | Elongation(%) | IMAPACT VALUE J/℃ | Heat treatment °C*h | |||||
GB/T RULES | 510 | 605 | 19 | 105/Normal temperature | 690*1 |
RECOMMENDED WELDING PARAMETERS:
DIAMETERS SPECIFICATIONS(mm) | 3.2*350 | 4.0*400 | 5.0*400 | ||||
ELECTRICITY (Amp) |
H/W | 90-130 | 140-190 | 190-240 | |||
O/W | 80-120 | 120-160 | - |
300,000 tons offshore Floating Production Storage Tanker (FPSO)
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Hangzhou Boiler Group Co., LTD. High-pressure heater
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981 semi-submersible drilling platform
CHEMICAL COMPONET:
ALLOY(wt%) | C | Si | Mn | P | S | Ni | Cr | Mo | Other |
GB/T RULES | 0.046 | 0.35 | 0.7 | 0.015 | 0.01 | 0.022 | 2.18 | 0.97 | - |
MECHANICAL PROPERTY:
PROPERTY | YIELD STRENGTH(MPa) | EXTENSION STRENGTH(MPa) | Elongation(%) | IMAPACT VALUE J/℃ | Heat treatment °C*h | |||||
GB/T RULES | 510 | 605 | 19 | 105/Normal temperature | 690*1 |
RECOMMENDED WELDING PARAMETERS:
DIAMETERS SPECIFICATIONS(mm) | 3.2*350 | 4.0*400 | 5.0*400 | ||||
ELECTRICITY (Amp) |
H/W | 90-130 | 140-190 | 190-240 | |||
O/W | 80-120 | 120-160 | - |
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