Ngwaahịa
Ọkụ dị ala (A333 A334 Gr.6 Gr.3)
ỌPỤRỤ NA-EKWU IKE
Nha ọkpọkọ--1/4 "N'ọnụ ruo 42"OD
Ọkpụrụkpụ mgbidi - Usoro 10 ruo XXH
Akpụpụtala nchara carbon dị ala na-ekpo ọkụ nke ọma maka iji na akụrụngwa okpomọkụ dị ala yana karịsịa maka arịa nrụgide welded.
Ha dị obere na ọkara-carbon (0.20 ruo 0.30%), nnukwu manganese (0.70 ruo 1.60%), silicon (0.15 ruo 0.60%) steels, nke nwere usoro ọka dị mma na mgbasa carbide edo edo.Ha na-egosipụta ike na-agafeghị oke yana ike ruo -50°F (-46°C).
Maka nnụcha ọka na iji kwalite nhazi na weldability, carbon steel nwere ike ịnwe 0.01 ruo 0.04% Columbus.A na-akpọ igwe nchara columbium, a na-eji ha eme ihe ntu, ntu, ngịga, akụkụ igwe, na anwụ na gage.Ruo 0.15% sọlfọ, ma ọ bụ 0.045 phosphorus, na-eme ka ha na-arụ ọrụ n'efu, ma na-ebelata ike.
LTCS bụ a nickel dabeere alloy efere efere karịsịa eji maka ala okpomọkụ ngwa n'okpuru - 150 deg F. A na-ejikarị na cryogenic ewu ụgbọ mmiri, obere okpomọkụ ngwa na chemical osisi n'okpuru -55 deg C.
SA-203 Steel Plate akara ule A, B, D, E na F Nickle Alloy Steel Plate.Maka obere okpomọkụ (-150 degrees F)
Obere Okpomọkụ Carbon Steel Tubes ASTM A334 Gr.1
AUTTM A333 - enweghị isi na nchara nchara maka ọrụ dị ala:
Ọkwa kacha
Ọkwa 1, Ọkwa 3, Ọkwa 4, Ọkwa 6, Ọkwa 7, Ọkwa 8, Ọkwa 9, Ọkwa 10, Ọkwa 11;
Obere okpomọkụ carbon ígwè anwụrụ ọkụ quenching okpomọkụ na A3 + (30 ~ 50) ℃, na omume, na-emekarị atọrọ ka elu ịgba.Ọkụ ikpo ọkụ na-ekpo ọkụ dị elu nwere ike ime ka ọsọ dị ala, mbelata oxidation elu, ma nwee ike melite arụmọrụ ọrụ.The workpiece bụ edo austenite, ga-achọ zuru ezu njide oge.Ọ bụrụ n'ezie arụnyere ọkụ ọkụ, ọ ga-adị mkpa ka ọ bụrụ ihe kwesịrị ekwesị ịgbatị oge njide.Ma ọ bụghị ya, enwere ike ịnwe isi ike zuru oke n'ihi kpo oku na-ezighi ezi nke ihe a kpatara.Otú ọ dị, oge njide dị ogologo, ga-apụtakwa mkpụrụ osisi na-adịghị ahụkebe, oxidation na decarbonization ọrịa siri ike na-emetụta quenching àgwà.Anyị kwenyere na ọ bụrụ na ọkụ arụnyere dị ukwuu karịa akwụkwọ usoro, ikpo ọkụ na-ejide oge ịgbatị 1/5.
Ọkpụkpụ carbon steel dị ala na-ekpo ọkụ n'ihi ike siri ike dị ala, ọ ga-anakwere nnukwu nju oyi nke ngwọta nnu 10%.Workpiece n'ime mmiri, kwesịrị hardening, ma ọ bụghị chilled, ma ọ bụrụ na 45 # nkenke nchara chilled na brine, ọ ga-ekwe omume cracking nke workpiece, nke a bụ n'ihi na mgbe workpiece na mma na ihe dị ka 180 ℃, austenite ngwa ngwa converted ka ịnyịnya s ahu. anụ ahụ kpatara oke nrụgide n'ihi.Ya mere, mgbe ígwè na-emenyụ ọkụ na-ekpo ọkụ na-ajụ oyi ngwa ngwa ruo n'ogo okpomọkụ a, ekwesịrị iwere usoro ahụ iji mee ka ọ dị jụụ.
Dị ka mmiri okpomọkụ siri ike ịghọta, ịza ajụjụ ahụmahụ na-arụ ọrụ, mgbe mmiri na-akwụsị dithering artifact, ị nwere ike mmiri mma (dịka mmanụ nju oyi nwere ike ịka mma).Ke adianade do, workpiece n'ime mmiri, kwesịrị ekwesị edinam ka kwesịrị ka dị na geometry nke workpiece, dị ka mgbe mmega ahụ.Na-adị jụụ ọkara gbakwunyere na-eguzobe workpiece, dapụtara na-ekwekọghị ekwe ekwe ekwe ekwe, nchekasị na-ezighị ezi na-ahapụ nnukwu deformation nke workpiece, na ọbụna cracking.
