MK·GX80
Published：2009/12/17
Standard:Technical Agreement
Characteristics:MK Gx80 is low alloy and high strength of Mn-Mo-Ti-B series, with coordination of SJ101，it has good weldability and low temperature toughness.
Application:Applied to the welding of X70, X80 Pipeline steel
Chemical composition(%)
|
C |
Mn |
Si |
S |
P |
Ti |
Mo |
B |
other |
|
≤0.10 |
1.70-2.00 |
≤0.30 |
≤0.010 |
≤0.012 |
memoral |
memoral |
memoral |
(Cr+Ni+Cu)<0.5 |
Typical mechanical properties of deposited metal:
|
Rm(MPa) |
Rp0.2(MPa) |
A(%) |
Akv(-20℃)(J) |
Flux |
|
675 |
575 |
28 |
140 |
SJ101 |
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