Afọ 30 Ụlọ ọrụ China Carbon/ Alloy enweghị nkebi ígwè Pipe maka Line Pipe GB9711 ọkọlọtọ/ API5L
Na-aga n'ihu na "Ego dị elu, Nnyefe ngwa ngwa, ọnụ ahịa ike ike", ugbu a, anyị eguzobela imekọ ihe ọnụ ogologo oge na ndị na-azụ ahịa si n'otu mba ofesi na ụlọ ma nweta nkọwa ndị ahịa ọhụrụ na ochie makaụlọ ọrụ ọkpọkọ, eriri eriri, Pipe Line enweghị nkebi, Pipe enweghị nkebi, Ahụmahụ na-arụ ọrụ n'ọhịa enyerela anyị aka ịmekọrịta mmekọrịta siri ike na ndị ahịa na ndị mmekọ ma n'ahịa ụlọ na nke mba ụwa. Ruo ọtụtụ afọ, a na-ebupụ ngwaahịa anyị na mba 15 n'ụwa ma ndị ahịa ejirila ya mee ihe.
Enwere ntụnyere maka GB/T9711 na API5L Gụnye ọkwa igwe
t≤25mm PSL1 elementrị kemịkalụ | ||||||||
Ọkwa ígwè | chemical akụrụngwa | |||||||
C max | Mn max | p min max | S max | V max | Nb max | Ti max | ||
Pipe enweghị nkebi | ||||||||
L175/A25 | 0.21 | 0.6 | / | 0.03 | 0.03 | / | / | / |
L175P/A25P | 0.21 | 0.6 | 0,045 | 0.08 | 0.03 | / | / | / |
L210/A | 0.22 | 0.9 | / | 0.03 | 0.03 | / | / | / |
L245/B | 0.28 | 1.2 | / | 0.03 | 0.03 | |||
L290/X42 | 0.28 | 1.3 | / | 0.03 | 0.03 | |||
L320/X46 | 0.28 | 1.4 | / | 0.03 | 0.03 | |||
L360/X52 | 0.28 | 1.4 | / | 0.03 | 0.03 | |||
L390/X56 | 0.28 | 1.4 | / | 0.03 | 0.03 | |||
L415/X60 | 0.28 | 1.4 | / | 0.03 | 0.03 | |||
L450/X65 | 0.28 | 1.4 | / | 0.03 | 0.03 | |||
L485/X70 | 0.28 | 1.4 | / | 0.03 | 0.03 | |||
Ọkpọkpọ welded | ||||||||
L175/A25 | 0.21 | 0.6 | / | 0.03 | 0.03 | / | / | / |
L175P/A25P | 0.21 | 0.6 | 0,045 | 0.08 | 0.03 | / | / | / |
L210/A | 0.22 | 0.9 | / | 0.03 | 0.03 | / | / | / |
L245/B | 0.26 | 1.2 | / | 0.03 | 0.03 | |||
L290/X42 | 0.26 | 1.3 | / | 0.03 | 0.03 | |||
L320/X46 | 0.26 | 1.4 | / | 0.03 | 0.03 | |||
L360/X52 | 0.26 | 1.4 | / | 0.03 | 0.03 | |||
L390/X56 | 0.26 | 1.4 | / | 0.03 | 0.03 | |||
L415/X60 | 0.26 | 1.4 | / | 0.03 | 0.03 | |||
L450/X65 | 0.26 | 1.4 | / | 0.03 | 0.03 | |||
L485/X70 | 0.26 | 1.4 | / | 0.03 | 0.03 |
t≤25mm PSL2 ihe kemịkalụ | ||||||||||
Ọkwa ígwè | chemical akụrụngwa | |||||||||
C max | Si max | Mn max | p max | S max | V max | Nb max | Ti max | Ce max | ||
Pipe enweghị nkebi | ||||||||||
L245R/BR | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.04 | 0.43 | 0.25 | ||
L290R/X42R | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.06 | 0.05 | 0.04 | 0.43 | 0.25 |
L245N/BN | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.04 | 0.43 | 0.25 | ||
L290N/X42N | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.06 | 0.05 | 0.04 | 0.43 | 0.25 |
L320N/X46N | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.07 | 0.05 | 0.04 | 0.43 | 0.25 |
L360N/X52N | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.1 | 0.05 | 0.04 | 0.43 | 0.25 |
L390N/X56N | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.1 | 0.05 | 0.04 | 0.43 | 0.25 |
L415N/X60N | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.1 | 0.05 | 0.04 | 0.43 | 0.25 |
Dee ozi gị ebe a ziga anyị ya