Isi mmalite nke ụlọ ọrụ Astm A213 T22 Pipe/tube enweghị nkebi
Anyị na-adabere na teknụzụ siri ike ma na-emepụta teknụzụ ọkaibe iji gboo ọchịchọ nke isi iyi nke Astm A213 T22 Seamless Steel Pipe / tube, nnweta ngwa ahịa dị ịrịba ama na nchikota yana nkwado anyị dị mma tupu na mgbe ọrịre na-eme ka asọmpi siri ike na. ahịa zuru ụwa ọnụ na-abawanye ụba.
Anyị na-adabere na ike nka siri ike ma na-emepụta teknụzụ ọkaibe iji gboo ihe achọrọAlloy, A213 T22, Igwe anaghị agba nchara / tube, Anyị kwenyere n'ịdị mma na afọ ojuju ndị ahịa nwetara site n'aka otu ìgwè ndị raara onwe ha nye. Ndị otu ụlọ ọrụ anyị na-eji teknụzụ dị oke ọnụ na-ebuga ngwaahịa ndị na-enweghị atụ nke ndị ahịa anyị na-asọpụrụ ma nwee ekele maka ya n'ụwa niile.
Nchịkọta
Ngwa
A na-ejikarị ya eme ọkpọkọ ígwè dị elu maka ọkpọkọ mmiri ọkụ dị elu, ọkpọkọ okpomọkụ na ọkpọkọ okpomọkụ.
Isi ọkwa
Ọkwa nke elu-edu Alloy ígwè: T2,T12,T11,T22,T91,T92 wdg
Ngwakọta kemịkalụ
Ọkwa ígwè | Ngwakọta kemịkalụ% | ||||||||||
C | Si | Mn | P, S Max | Cr | Mo | Na Max | V | Al Max | W | B | |
T2 | 0.10-0.20 | 0.10-0.30 | 0.30-0.61 | 0.025 | 0.50-0.81 | 0.44-0.65 | - | - | - | - | - |
T11 | 0.05-0.15 | 0.50-1.00 | 0.30-0.60 | 0.025 | 1.00-1.50 | 0.44-0.65 | - | - | - | - | - |
T12 | 0.05-0.15 | Kachasị 0.5 | 0.30-0.61 | 0.025 | 0.80-1.25 | 0.44-0.65 | - | - | - | - | - |
T22 | 0.05-0.15 | Kachasị 0.5 | 0.30-0.60 | 0.025 | 1.90-2.60 | 0.87-1.13 | - | - | - | - | - |
T91 | 0.07-0.14 | 0.20-0.50 | 0.30-0.60 | 0.02 | 8.0-9.5 | 0.85-1.05 | 0.4 | 0.18-0.25 | 0.015 | - | - |
T92 | 0.07-0.13 | Kachasị 0.5 | 0.30-0.60 | 0.02 | 8.5-9.5 | 0.30-0.60 | 0.4 | 0.15-0.25 | 0.015 | 1.50-2.00 | 0.001-0.006 |
Maka T91 ọzọ karịa n'elu gụnyekwara Nickel 0.4, Va 0.18-0.25, Ni 0.06-0.10, Ni 0.03-0.07, Al 0.02, Ti 0.01, Zr 0.01. Nke kachasị, belụsọ egosiputara oke ma ọ bụ opekempe. Ebe ellipses (...) pụtara na tebụl a, ọ dịghị ihe a chọrọ, na nyocha maka mmewere adịghị mkpa ikpebi ma ọ bụ kọọ akụkọ. B O kwere omume ịtụ T2 na T12 nwere sọlfọ ọdịnaya nke 0.045 max. C N'aka nke ọzọ, n'ọnọdụ nke kacha nta nke a, ihe ga-enwe opekempe hardness nke 275 HV na obi ike ọnọdụ, kọwara dị ka mgbe austenitizing na jụrụ na ụlọ okpomọkụ ma tupu tempering. A ga-eme nnwale ike n'etiti oke ngwaahịa. Ugboro ule ike siri ike ga-abụ ihe nlele abụọ nke ngwaahịa n'otu ebe ọgwụgwọ okpomọkụ na nsonaazụ ule ike ka a ga-akọ na akụkọ nyocha ihe.
Ngwongwo igwe
Ọkwa ígwè | Ihe eji arụ ọrụ | |||
T. S | Y.P | Ogologo oge | Isi ike | |
T2 | ≥ 415MPa | ≥ 205MPa | ≥ 30% | 163HBW (85HRB) |
T11 | ≥ 415MPa | ≥ 205MPa | ≥ 30% | 163HBW (85HRB) |
T12 | ≥ 415MPa | ≥ 220MPa | ≥ 30% | 163HBW (85HRB) |
T22 | ≥ 415MPa | ≥ 205MPa | ≥ 30% | 163HBW (85HRB) |
T91 | ≥ 585MPa | ≥ 415MPa | ≥ 20% | 250HBW (25HRB) |
T92 | ≥ 620MPa | ≥ 440MPa | ≥ 20% | 250HBW (25HRB) |
Achọrọ nnwale
Na mgbakwunye na ịgba mbọ hụ na mejupụtara kemịkalụ na akụrụngwa akụrụngwa, a na-eme nnwale hydrostatic n'otu n'otu, a na-eme nnwale flaring na flattening. . Na mgbakwunye, enwere ụfọdụ ihe achọrọ maka microstructure, nha ọka, na oyi akwa decarburization nke ọkpọkọ ígwè emechara.
Ikike inye
Ikike ịnye: 2000 ton kwa ọnwa kwa ọkwa nke ASTM SA213 Alloy Steel Pipe
Nkwakọ ngwaahịa
Na ngwugwu na igbe osisi siri ike
Nnyefe
7-14 ụbọchị ma ọ bụrụ na ngwaahịa, 30-45 ụbọchị na-emepụta
Ịkwụ ụgwọ
30% nkwụnye ego, 70% L / C ma ọ bụ B / L oyiri ma ọ bụ 100% L / C na anya