Nnukwu dayameta ikpere ụkwụ
Igwe na-ehulata ọkpọkọ bụ otu ihe ahụ na-ehulata nke mpempe akwụkwọ. N'ihe na-ehulata dị ọcha, mgbe a tube na-mpụta dayameta nke D na a mgbidi ọkpụrụkpụ nke t na-ehulata n'okpuru omume nke mpụga oge M, mpụta tube mgbidi nke na-anọpụ iche oyi akwa na-edokwasị tensile nrụgide σ1, na na tube mgbidi na-aghọ thinner; tube dị n'ime nke oyi akwa na-anọpụ iche A na-edobe mgbidi ahụ na nrụgide nrụgide σ1, na mgbidi ọkpọkọ na-aghọwanye ibu. Ọzọkwa, akụkụ obe na-agbanwe site n'ụdị okirikiri gaa n'ụdị elliptical n'ihi ike jikọtara ọnụ F1 na F2. Mgbe nrụrụ ahụ buru ibu, mgbawa ga-eme na mgbidi tube dị n'èzí na wrinkles na mgbidi tube dị n'ime.
1. Kewara site na ihe onwunwe:
Carbon ígwè:ASTM/ASME A234 WPB, WPC
Alloy:ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP911, 15Mo3 15CrMoV, 35CrMoV
Igwe anaghị agba nchara:ASTM/ASME A403 WP 304-304L-304H-304LN-304N ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti ASTM/ASME A403 WP 321-321H ASTM
Igwe okpomọkụ dị ala:ASTM/ASME A402 WPL3-WPL 6
Igwe arụ ọrụ dị elu:ASTM/ASME A860 WPHY 42-46-52-60-65-70 Nkedo ígwè, alloy ígwè, igwe anaghị agba nchara, ọla kọpa, aluminum alloy, plastic, argon leaching, PVC, PPR, RFPP (polypropylene gbasiri ike), wdg.
2. Dị ka usoro mmepụta ihe si dị, enwere ike kewaa ya n'ime ịkwanye, ịpị, ịgha, nkedo, wdg.
3. Dị ka ọkọlọtọ n'ichepụta, ọ nwere ike kewaa n'ime mba ọkọlọtọ, eletriki ọkọlọtọ, ụgbọ mmiri ọkọlọtọ, chemical ọkọlọtọ, ọkọlọtọ American ọkọlọtọ, German ọkọlọtọ, Japanese ọkọlọtọ, Russian ọkọlọtọ, wdg.
