Cov yeeb nkab carbon seamless yog hais txog cov yeeb nkab ua los ntawm cov hlau carbon uas tsis muaj cov pob qij txha lossis cov seams welded, thiab cov billet khov kho raug extruded los ntawm lub pwm kom ua cov yeeb nkab ntawm cov duab thiab qhov loj me uas xav tau. Cov yeeb nkab carbon seamless yog nrov rau nws qhov ruaj khov, lub zog tensile thiab kev tiv thaiv corrosion, ua rau nws zoo tagnrho rau ntau yam lag luam suav nrog roj thiab roj av, tsheb thiab kev tsim kho.
Ib qho ntawm cov qib nrov tshaj plaws ntawm cov yeeb nkab carbon seamless steel yogA106 Qib B, uas yog tus qauv ASTM rau cov yeeb nkab hlau carbon seamless rau kev pabcuam kub siab. Nws muaj cov pa roj carbon siab tshaj plaws ntawm 0.30%, ua rau nws zoo tagnrho rau cov ntawv thov uas xav tau kub thiab siab. Nws kuj tseem tsim nyog rau kev siv siab tsawg thiab kub qis, nrog rau kev vuam thiab brazing.
Lwm qib nrov yogAPI 5L Qib B, uas yog tus qauv rau cov yeeb nkab hlau tsis muaj qhov thiab vuam rau cov kav dej xa mus rau hauv kev lag luam roj thiab roj av. Nws muaj cov pa roj carbon ntau tshaj plaws ntawm 0.30%, ua rau nws zoo tagnrho rau kev siv hauv qhov chaw siab thiab qhov kub thiab txias.
Ntxiv rau qib, cov khoom siv ntawm cov yeeb nkab carbon seamless steel kuj tseem ceeb heev. Cov ntaub ntawv siv dav suav nrog SAE 1020, uas muaj cov pa roj carbon tsawg thiab zoo tagnrho rau kev khoov, flanging thiab kev ua haujlwm zoo sib xws, thiab SAE 1045, uas muaj cov pa roj carbon ntau dua thiab zoo tagnrho rau cov ntawv thov uas xav tau qhov nyuaj, tawv thiab tiv taus hnav.
Lwm cov ntaub ntawv suav nrog ASTM A519 Qib 4130 rau cov kab hydraulic siab thiab cov raj roj av, thiab ASTM A106 Qib C nrog cov ntsiab lus carbon siab tshaj plaws ntawm 0.35% rau cov ntawv thov uas xav tau kev tiv thaiv corrosion siab.
Xaus lus, cov kav hlau carbon seamless yog qhov tseem ceeb hauv ntau yam lag luam thiab kev xaiv qib thiab cov khoom siv nyob ntawm daim ntawv thov tshwj xeeb. A106 Qib B thiab API 5L Qib B yog cov qib nrov, thaum cov ntaub ntawv xws li SAE 1020, SAE 1045,ASTM A519 Qib 4130, thiab ASTM A106 Qib C yog cov kev xaiv nrov.
Lub sijhawm tshaj tawm: Tsib Hlis-17-2023