Sanyi kafa
Dukiyar inji
Karfe sa | karancin yawan amfanin ƙasa | Da tenerile | Mafi ƙarancin elongation | Mafi qarancin tasirin tasiri | ||||
Da aka ƙaddara | Da aka ƙaddara | Da aka ƙaddara | A gwaji zazzabi na | |||||
<16 | > 16340 | <3 | ≥3у40 | ≤40 | -20 ℃ | 0 ℃ | 20 ℃ | |
S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
S275J2H | 27 | - | - | |||||
S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
S355J2H | 27 | - | - | |||||
S355K2H | 40 | - | - |
Abubuwan sunadarai
Karfe sa | Nau'in cire shaye shaye a | % ta hanyar taro, mafi girma | ||||||
Sunan Karfe | Yawan Karfe | C | C | Si | Mn | P | S | Nb |
S235JRH | 1.0039 | FF | 0,17 | - | 1,40 | 0,040 | 0,040 | 0.009 |
S275J0H | 1.0149 | FF | 0 02 | - | 1,50 | 0,035 | 0,035 | 0,009 |
S275J2H | 1.0138 | FF | 0 02 | - | 1,50 | 0,030 | 0,030 | - |
S355J0H | 1.0547 | FF | 0,22 | 0,55 | 1,60 | 0,035 | 0,035 | 0,009 |
S355J2H | 1.0576 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | - |
S355K2H | 1.0512 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | - |
a. Ana tsara hanyar deoxidation kamar haka: FF: Cikakken kashe Karfe wanda ke da nitrogen da ke da nitrogen wanda ya isa ya isa nitrogen (misali min) 0,015% Soluwle Al). b. Matsakaicin darajar don nitrogen baya amfani idan kayan aikin sunadarai suna nuna ƙarancin al / n rabo na 2: 1, ko idan isassun sauran abubuwa n-ɗaure suna nan. Za'a rubuta abubuwa masu ɗaure da n-ɗaure a cikin bayanan binciken. |
Gwajin Hydrostat
Kowane tsayi na bututu za a gwada shi zuwa ga mai hydrostatic da zai samar da shi a cikin 60% na ƙarancin amfanin ƙasa a ɗakin zafin jiki. Za'a iya tabbatar da matsin lamba ta hanyar daidaitawa:
P = 2st / d
Bambancin Bambanci a kaya masu nauyi da girma
Kowane tsayi na bututu za a auna shi dabam da nauyinsa ba zai bambanta sama da 10% akan nauyinta ba, ƙididdige shi da nauyinsa da tsawonsa naúrar
Na waje diamita ba zai bambanta fiye da ± 1% daga ƙayyadadden nominal a waje na diamita ba
Wurin Kauri a kowane lokaci ba zai wuce 12.5% a ƙarƙashin ƙayyadaddun kauri