Menene bambanci tsakanin Q195, Q215, Q235, Q255 da Q275 dangane da abu?
Carbon tsarin karfe shine mafi yawan amfani da karfe, mafi girman adadin da ake birgima a cikin karfe, bayanan martaba da bayanan martaba, gabaɗaya baya buƙatar amfani da zafin zafi kai tsaye, galibi don tsarin gabaɗaya da injiniyanci.
Q195, Q215, Q235, Q255 da Q275, da dai sauransu, bi da bi, nuna sa na karfe, karfe sa da wakilin yawan amfanin ƙasa batu na harafin (Q), yawan amfanin ƙasa batu darajar, quality, inganci da sauran alamomi (A). , B, C, D) Hanyar deoxygenation na alamomi da sauransu akan sassa hudu na abubuwan da aka tsara. Daga sinadaran abun da ke ciki, ƙananan maki Q195, Q215, Q235, Q255 da Q275 manyan maki, mafi girman abun ciki na carbon, abun ciki na manganese, mafi kwanciyar hankali na filastik. Kaddarorin injiniyoyi daga maki, maki na sama suna nuna cewa kauri ≤ 16mm na ma'aunin ƙima na ƙarfe. Ƙarfin ƙarfinsa shine: 315-430, 335-450, 375-500, 410-550, 490-630 (obN/mm2); Qi tsawonsa sune: 33, 31, 26, 24, 20 (0.5%). Sabili da haka, lokacin gabatar da karfe ga abokan ciniki, ya kamata a tunatar da abokan ciniki don siyan kayan ƙarfe daban-daban bisa ga kayan aikin da ake buƙata, don kada ya shafi ingancin samfur.
Menene bambanci tsakanin kayan Q235A da Q235B?
Q235A da Q235B duka ne carbon karfe. A cikin kasa misali GB700-88, Q235A da Q235B abu bambanci ne yafi a cikin carbon abun ciki na karfe, da abu don Q235A abu carbon abun ciki a 0.14-0.22 ﹪ tsakanin; Kayan Q235B baya yin gwajin tasiri, amma sau da yawa suna yin gwajin tasirin zafin jiki, V-notch. Kwatanta magana, kayan aikin injiniya na kayan Q235B karfe sun fi na kayan Q235A karfe. Gabaɗaya, injin ƙarfe a cikin bayanan da aka gama kafin barin masana'anta ana alama akan farantin tantancewa. Masu amfani za su iya gaya ko kayan shine Q235A, Q235B, ko wasu kayan akan farantin alama.
Jafananci karfe maki ne SPHC, SPHD, da dai sauransu Me suke nufi?
Jafananci karfe (JIS series) maki na talakawa structural karfe yafi kunshi sassa uku: kashi na farko yana nuna kayan, kamar: S (karfe) na nufin karfe, F (Ferrum) na nufin baƙin ƙarfe. Kashi na biyu na nau'o'i daban-daban, nau'o'in, amfani da su, kamar P (farantin) wannan farantin, T (tube), K (kogu) wannan kayan aiki. Kashi na uku na halayen tebur na lamba, gabaɗaya mafi ƙarancin ƙarfin ƙarfi. Kamar: ss400 - na farko s cewa karfe (Ssteel), na biyu s cewa "tsarin" (Structuree), 400 ga ƙananan layin ƙarfi na 400Mpa talakawa tsarin karfe. Daga cikin su: sphc ---- na farko Ssteel Karfe gajarta, P ga farantin Pate abbreviation, H ga zafi zafi ragewa, Commercial gajarta, duka yana nuna cewa janar zafi birgima da karfe tsiri.
SPHD------ yana nuna zafi na birgima na karfe da tsiri don yin tambari.
SPHE------ yana nuna zazzafan zanen ƙarfe na birgima mai zafi da tsiri don zane mai zurfi.
SPCC------ yana nuna sanyi birgima na carbon karfe takardar da tsiri don amfanin gaba ɗaya, daidai da darajar China Q195-215A. Harafi na uku C shine taƙaitaccen bayani ga Cold, wanda ake buƙata don tabbatar da gwajin tensile a ƙarshen sa tare da T don SPCCT.
SPCD------ yana nuna sanyi birgima carbon karfe da karfe tsiri don naushi, daidai da China 08AL (13237) high quality carbon tsarin karfe.
SPCE------ yana nuna sanyi birgima na carbon karfe takardar da tsiri don zurfafa zane, daidai da China 08AL (5213) naushi karfe. Don tabbatar da rashin aiki, ƙara N zuwa SPCEN a ƙarshen sa.
Sanyi birgima carbon karfe takardar da tsiri nadi, annealed yanayin ga A, daidaitaccen zafin S, 1/8 wuya don 8, 1/4 wuya ga 4, 1/2 wuya ga 2.
Surface gama code: babu mai sheki gama ga D, mai sheki ƙarewa ga B. Irin su SPCCT-SD yana nuna daidaitaccen zafin jiki, babu mai sheki ƙare sanyi birgima carbon takardar don amfanin gaba ɗaya. Sa'an nan SPCCT-SB yana nuna daidaitaccen zafin jiki, gamawa mai haske, sanyi birgima tare da ingantaccen kayan aikin injiniya.
Lokacin aikawa: Juni-24-2024
