Wɔde dade afiri a ɛyɛ nkuruwankuruwa, sɛ́ mfiridwuma mu nneɛma a ɛho hia no, di dwuma kɛse wɔ ngo, mframa, ne nnuruyɛ mu. Ne su ne adwuma no mu ahobammɔ wɔ abusuabɔ tẽẽ. Enti, nhwehwɛmu nhyehyɛe a emu yɛ den ho hia kɛse na ama wɔahwɛ ahu sɛ dade paipu a ɛyɛ nkuruwankuruwa no yɛ papa.
Appearance inspection yɛ anammɔn a edi kan, titiriw no, ɛhwehwɛ dade paipu no ani mu hwɛ sɛ ebia sintɔ te sɛ mpaapaemu, mpopaho, ntini a ɛwɔ mu, ne pitting. Nhwehwɛmufoɔ de aniwa mu nhwehwɛmu anaa-tumi a ɛba fam a ɛma adeɛ kɛseɛ yɛ kɛseɛ di dwuma de hwɛ sɛ dadeɛ afiri no mu ne akyi ani no yɛ torotohɔ na ɛyɛ mpo, na weld no yɛ pɛ na ɛnyɛ ne kwan so. Wɔsusu dadeɛ paipu no ntwemu, ɔfasuo no mu duru, ne ovality nso de hwɛ sɛ nsusuiɛ no di ahwehwɛdeɛ a ɛwɔ hɔ no so.
Dimensional Inspection de nnwinnade te sɛ vernier calipers ne ultrasonic thickness gauges di dwuma de susuw ɔfasu no mu duru, akyi ntwemu, ne dade paipu no tenten pɛpɛɛpɛ. Ɛsɛ sɛ ɔfasuo no mu duru a ɛtwetwe no wɔ kwan a wɔma ho kwan no mu de hwɛ sɛ paipu no nhyɛsoɔ-bearing tumi. Bio nso, wɔhwɛ parameters te sɛ weld reinforcement ne misalignment a spiral steel pipe no mu yiye na amma welding sintɔ ahorow no antumi ansɛe ahoɔden no nyinaa.
Non{0}}Sɔhwɛ a ɛsɛe ade yɛ anammɔn titiriw, a nea ɛka ho ne ultrasonic sɔhwɛ (UT) ne radiographic sɔhwɛ (RT) titiriw. Wɔde ultrasonic sɔhwɛ di dwuma de hu sintɔ ahorow a ɛwɔ dade nhama mu, te sɛ nea ɛka ho, ntini a ɛwɔ mu, ne weld a ɛkɔ mu a enni mũ. Ɛyɛ adwuma yiye na ɛnyɛ-destructive. Radiographic sɔhwɛ de x-ray anaa gamma-ray imaging di dwuma de hwɛ welds no mu nhyehyɛe no wɔ w’adwene mu na ɛfata ma application ahorow a ɛyɛ den. Wɔ nnwuma a ɛho hia ho no, wobetumi de magnetic particle testing (MT) anaa penetrant testing (PT) nso adi dwuma de ahu microscopic surface cracks.
Mfiridwuma mu sɔhwɛ no bi ne tensile sɔhwɛ, impact sɔhwɛ, ne hardness sɔhwɛ. Tensile sɔhwɛ susuw tensile ahoɔden ne elongation a dade pipes de hwɛ hu sɛ ɛyɛ resistant to fracture ase nhyɛso kɛse. Nsunsuansoɔ a wɔde sɔ hwɛ no susu adeɛ no mu den wɔ ɔhyew a ɛba fam mu na amma abubu. Hardness testing susuw nneɛma ahoɔden a ɛwɔ dade paipu no mu de hwɛ hu sɛ ɛne design gyinapɛn ahorow hyia.
Nhyɛso sɔhwɛ yɛ anammɔn a etwa to, a ɛyɛ adanse a ɛkyerɛ sɛ paipu no mu nsu a ɛretu-ɛyɛ den ne nhyɛso a ɛko tia denam nsu anaa mframa nhyɛso sɔhwɛ so. Mpɛn pii no, sɔhwɛ nhyɛso no korɔn sen adwumayɛ nhyɛso ankasa a ɛbɛma wɔahwɛ ahu sɛ paipu no betumi ayɛ adwuma dwoodwoo wɔ tebea horow a emu yɛ den mu.
Ɛnam saa multi-anamɔn sɔhwɛ nhyehyɛe yi so no, spiral steel pipes no su yɛ nea wɔahyɛ ho bɔ koraa, na ɛma mmoa a wotumi de ho to so ma mfiridwuma mu dwumadie.
