API Spec 5L PSL2 X42 (L290) Pipeline Steel Phaj
API Spec 5L PSL2 X42 (L290) Pipeline Steel Phaj Chemical Composition thiab Mechanical Property
|
Qib |
Chemical Composition (%) |
|||
|
C Max |
Mn Max |
P Max |
S Max |
|
|
API Spec 5L PSL2 X42 (L290) |
0.24 |
1.30 |
0.025 |
0.015 |
|
Qib |
Mechanical Property |
|
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|
Yield zog (MPa) |
Tensile zog (MPa) |
% Elongation |
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API Spec 5L PSL2 X42 (L290) |
290-496 |
414-758 |
a |
Cov phaj tuab tuab thiab cov coils siv hauv kev tsim cov roj thiab cov nkev sib sau ua ke thiab kev thauj mus los thiab cov kav dej ntev lossis cov khoom siv hauv tsev slurry thauj cov kav dej yog hu ua cov kav dej steel (steel rau pipeline). Feem ntau, cov phaj tuab tuab yog siv los ua cov tuab-walled ncaj seam welded kav, thaum phaj coils yog siv los tsim ncaj seam resistance welded kav los yog submerged arc kauv welded kav.
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