A na-eji tubes akụkụ anọ eme ihe n'ọtụtụ ebe
Common ihe nke welded square ọkpọkọ bụ: Q235A, Q235C, Q235B, 16Mn, 20 #, Q345, L245, L290, X42, X46, X60, X80, 0Cr13, 1Cr17, 00cr19ni11, Nicr18 etc.
Welded igwe anaghị agba nchara ọkpọkọ maka ịchọ mma (GB / T 18705-2002), igwe anaghị agba nchara welded ọkpọkọ maka ụlọ mma (JG / T 3030-1995), nnukwu dayameta welded ígwè ọkpọkọ maka ala mgbali mmiri nnyefe (GB / T 3091-2001), na welded ígwè ọkpọkọ maka okpomọkụ Exchanger (yb4103-2000).
GB / t6728-2002, GB / t6725-2002, gbt3094-2000, JG 178-2005, ASTM A500, JIS g3466, en10210 ma ọ bụ teknụzụ nkwekọrịta.
GB / t3094-2000 (ọkọlọtọ mba) ọkpọkọ akụkụ anọ pụrụ iche nwere oyi.
GB / t6728-2002 (mba ọkọlọtọ) oyi kpụrụ oghere ngalaba ígwè maka Ọdịdị
ASTM A500 (American Standard) Carbon steel Oyi kpụrụ welded tubes akụkụ anọ na tubes akụkụ anọ na-enweghị nkebi nwere akụkụ okirikiri na ụdị pụrụ iche maka nhazi.
EN10219-1-2006 (ọkọlọtọ Europe) oyi kpụrụ welded oghere akụkụ akụkụ nke na-abụghị alloy na ezi ọka.
JIS g 3466 (ọkọlọtọ Japanese) ọkpọkọ akụkụ anọ maka owuwu izugbe
A na-ejikarị ya eme ihe n'ichepụta igwe, ụlọ ọrụ ihe owuwu, ụlọ ọrụ metallurgical, ugbo ala ugbo, ụlọ ọrụ ugbo, ụlọ ọrụ ụgbọ ala, okporo ụzọ ụgbọ oloko, ụzọ nchebe okporo ụzọ, ọkpụkpụ akpa, arịa ụlọ, ịchọ mma na nhazi ígwè.
N'ihi na engineering ewu, iko ákwà mgbochi mgbidi, ụzọ na window mma, ígwè Ọdịdị, guardrail, ígwè n'ichepụta, ụgbọala n'ichepụta, ezinụlọ ngwa n'ichepụta, shipbuilding, akpa n'ichepụta, ọkụ eletrik, ọrụ ugbo na-ewu, ugbo griin haus, igwe kwụ otu ebe, ọgba tum tum etiti, shelf, akụrụngwa ahụike, ihe ntụrụndụ na ngwaahịa njem, arịa ụlọ nchara, nkọwa dị iche iche nke mkpuchi mmanụ, ọkpọkọ mmanụ na pipeline, mmiri, gas, ikuku ikuku, kpo oku na ụgbọ njem mmiri ndị ọzọ, ọgụ ọkụ na nkwado, ụlọ ọrụ ihe owuwu, wdg.
