Nkọwa:
Ngwongwo Arc Cored abanyela n'ime igwe anaghị agba nchara
Udi:
AWS A5.23: ECM4 Submerged Arc Solid Waya bụ eriri igwe na-arụ ọrụ igwe na-arụ ọrụ nke ọma maka ịgbado ọkụ n'okpuru mmiri na ngwa ike dị elu.AWS A5.23: ECM4 na-ezute AWS A5.23 kemistri M4, ma emebere ya maka ọkwa ike ike karịa 110 ksi.
Ngwa bụ isi:
Ngwa otu na otutu ngafe nwere agba mmiri a na-atụ aro ya, igwe anaghị agba nchara dị elu, nchara na-ekpo ọkụ, ihe akụrụngwa siri ike, ihe arụrụ arụ, akwa ụgbọ mmiri, igwe ihe nkedo, igwe mmiri ọkụ & arịa nrụgide.
HSLA na Q&T ígwè
Ịmepụta ihe owuwu
Jack-up rig mmepụta
Okpokoro akụrụngwa dị arọ
Obere crane
Atụmatụ:
Waya nwere eriri igwe nwere ike ịnye ọnụego nkwụnye ego ka mma ma e jiri ya tụnyere waya siri ike na amperage ndị yiri ya
Waya nwere eriri igwe na-enye profaịlụ penetration sara mbara ma e jiri ya tụnyere wires siri ike n'ụdị welding yiri ya.
Nkwụnye ego ike dị oke elu yana ezigbo okpomọkụ siri ike na ọnọdụ as-welded
Weld nkwụnye ego kemịkalụ chọrọ bụ otu ihe nke EM4 siri ike wires
NKWUKWU AWS:
Na Flux | Ọnọdụ | Nkọwapụta | Nkewa (Ngalaba omenala US) | Nkewa (Nkeji SI) |
SWX 150 | Dị ka-welded | A5.23/A5 23M | F11A10-ECM4-M4 | F76A7-ECM4-M4 |
Na Flux | %C | % Mn | % Si | %P | %S | % Ku | % Cr | % Ee | % Mo | %TI+V+Zr |
SWX 150 | 0.06 | 1.45 | 0.27 | 0.012 | 0.010 | 0.06 | 0.31 | 2.25 | 0.47 | 0.02 |
NDỊ MMADỤ KEMỊKỊKA WIRE:
Na Flux | Hydrogen diffusible |
SWX 150 | 7.5 ml / 100 g |
AKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWASỊ
Na Flux | Ọnọdụ | Ike ọdụdọ | Mpụta Ike | Mgbatị % n'ime 2" (50mm) |
SWX 150 | Dị ka-welded | 113 ksi (779 MPa) | 106 ksi (731 MPa) | 20% |
PWHT* | 104 ksi (717 MPa) | 97 ksi (669 MPa) | 8% |
URU MMETỤTA CHAPY V-NOCH NDỊ MMADỤ:
Na Flux | Ọnọdụ | Nkejina -60°F (-50°C) | Nkejina -80°F (-60°C) | Nkejina -100°F (-70°C) |
SWX 150 | Dị ka-welded | 55 ft-lbs (75 J) | 60 f-bs (81 J) | 45 f-Ibs (61 J) |
PWHT* | 57 f-lbs (77 J) | 45 ft-lbs (61 J) | - |
NDỊ MMADỤ NKE NA-arụ ọrụ: