ASTM B366 WPNC DN 200 100 SCH 80s na-eweghachi
Iji meziwanye arụmọrụ nke ebe a na-emegharị emegharị ahụ, enwere ike ịmepụta ọnọdụ nke ọma ka ọ bụrụ 62166, ya bụ, supercrarical okpomọkụ. United States bu ụzọ mepụtara ASTM A335 P92 p92 nchara na ngwụsị afọ 1980 iji zute usoro iguzogide ọkụ ọkụ a dị elu. Allay steel p92 bụ ụdị dị mma nke ASTM AUSTM AE31 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 p91 alley na-eme ihe na-eme ka ọdịnaya dị mma na Ferrite \ /kọstite na-eji nlezianya na-achịkwa Boron na nitrogen ọdịnaya
Usoro akara nchara nke International na-eji ígwè na American ígwè na ụlọ ọrụ nígwé na-eji akara atọ dị iche iche nke igwe anaghị agba nchara. N'etiti ha: A na-ahụta ọnụ ọgụgụ dị narị puku abụọ na narị ise na 300. Iji maa atụ, ụfọdụ n'ime ndị na-adịghị ahụkarị ọnụ ọgụgụ ndị na-adịghị ahụ anya na 302, 304, 316, 310, ¢ ¢ na steels na-adịghị ọcha na-eji ọnụọgụ usoro 400. A na-eji 430 na 446, na-eme ihe na-enweghị eriri na 440, na-eme ihe na-enweghị eriri na 440c, na-erughị 50% nke alloys dị elu ma ọ bụ aha ya
Alloy nchara bụ ígwè nke a na-ejigide ọtụtụ ihe na ngụkọta dị iche iche n'agbata 1.0% na 50% site na ibu iji meziwanye akụrụngwa ya. A na-agbaji Steals steels n'ime otu abụọ: ala dị ala na steellis steels. Ihe dị iche n'etiti mmadụ abụọ ahụ. Smith na Hahemi Kọwaa ihe dị iche na 4.0%, ebe Degarmo, et al., Kọwaa ya na 8.0%. [1] Ọtụtụ mgbe, ahịrịokwu "Alloy steel" na-ezo aka na Lower Steel.
Alloy 20 (alloy 20) bụ Aulenitic Almenitic nke dị iche iche mepụtara iji guzogide corrosic acid acid. Ọ nwere nguzogide nduru sọlfọ; O nwere iguzogide siri ike na phosphoric acid, nitric acid na gburugburu gburugburu chloride, corroside nrụgide, na-etinye corrosion na corrosion. Ya mere, alloy 20 nwere aha nke mgbochi corrosion allosion. Ọ nwere ọtụtụ ngwa dị iche iche: Chemical, nri, ọgwụ, ọgwụ ike na ụlọ ọrụ plastik ga-eji ya. N'ihi na nguzogide corrosion na corrosion chloride, nsogbu na-agbawa nsogbu nsogbu, wdg, alloy 20 na-ejikarị.
A na-eji nchara nchara na-acha uhie uhie (IBR) anyị mee nke nwere ezigbo ihe. Emepụtara ndị a maka ngwa metụtara ngwa metụtara mmanụ na mmiri ma ọ bụ na-eme ihe na nchekasị nke akụkụ igwe. Na mgbakwunye, a na-eji eriri nchara niile na ụlọ, ọkachamara ma ọ bụ ụlọ ọrụ ụlọ ọrụ.
Nkọwapụta ASTM A193 na-ekpuchi ihe ndị achọrọ maka ike iji nweta ihe dị elu iji nweta ihe dị elu maka ọnọdụ okpomọkụ ma ọ bụ ọrụ nrụgide na ngwa kachasị pụrụ iche. Ọ bụ nkọwapụta ọkọlọtọ nke na-akọwapụta ihe mejupụtara kemịkalụ na-emepụta ọgwụ, ihe ndị siri ike, na asambodo ndị ọzọ maka njikọ arụ ọrụ, na valves, na ngwongwo. ASTM A193 na-akọwa SI (Metric) na Pound Pound.
A na-eji plete flances sa111 na-eji emechi nsọtụ pipes, valves ma ọ bụ njikọ ndị ọzọ. A na-akpọkwa ya mpempe akwụkwọ flage, dị larịị, wdg ọ bụ diski dị warara nke na-eme ka ọ na-eme ka ọ dị mma.
