JIS G 3454shine ma'aunin masana'antu na Japan don bututun ƙarfe na carbon don tsarin matsi tare da matsakaicin zafin aiki na 350°C. Ma'aunin ya haɗa da maki biyu:STPG 370kumaSTPG 410Yana aiki ga bututun da aka haɗa da ƙarfin lantarki (ERW) ko kuma bututun da ba su da sumul waɗanda diamitansu bai wuce 10.5 mm zuwa 660.4 mm ba (watau 6A zuwa 650A, ko 1/8B zuwa 26B).
Za a ƙera bututun ƙarfe na JIS G 3454 ta amfani da hanyoyin ƙera bututun ƙarfe da hanyoyin kammalawa da suka dace a cikin jadawalin da ke ƙasa.
| Alamar daraja | Alamar tsarin ƙera | ||
| Tsarin kera bututu | Hanyar kammalawa | Rarraba shafi na zinc | |
| STPG370 STPG410 | Mara sumul: S Juriyar wutar lantarki: E | An gama da kyau: H An gama sanyi: C Kamar yadda juriyar lantarki ta welded: G | Bututun baƙi: bututun da ba a ba su maganin zinc ba Bututun fari: bututun da aka yi wa fenti mai launin zinc |
Musamman, akwai hanyoyi guda biyar na ƙera:
SH: Bututun ƙarfe mara shinge mai zafi;
SC: Bututun ƙarfe mara shinge wanda aka gama da sanyi;
EH: Bututun ƙarfe mai welded mai juriya ga lantarki mai zafi;
EC: Bututun ƙarfe mai juriya ga lantarki da aka gama da sanyi;
EG: Bututun ƙarfe mai juriya ga lantarki wanda aka haɗa da bututun ƙarfe banda bututun ƙarfe mai zafi da sanyi.
Botop Karfemai ƙera kuma mai samar da bututun ƙarfe mai inganci daga China, haka kuma mai tara bututun ƙarfe marasa shinge. Idan kuna da wasu buƙatu, da fatan za ku iya tuntuɓar mu kuma za mu ba ku tallafin fasaha kyauta.
| Alamar daraja | C | Si | Mn | P | S |
| matsakaicin | matsakaicin | — | matsakaicin | matsakaicin | |
| STPG 370 | 0.25% | 0.35% | 0.30-0.90% | 0.040% | 0.040% |
| STPG 410 | 0.30% | 0.35% | 0.30-1.00% | 0.040% | 0.040% |
Yana ba da damar ƙara wasu abubuwan haɗin gwiwa.
Ƙarfin Taurin Kai, Matsala ko Ƙarfin Ƙarfin Ƙarfi, da Tsawo
| Alamar na maki | Ƙarfin tauri | Ma'aunin bayarwa ko tabbatar da damuwa | Ƙarawa minti, % | |||
| Gwajin tensile | ||||||
| Lamba ta 11 ko ta 12 | Lamba ta 5 | Lamba ta 4 | ||||
| N/mm² (MPA) | N/mm² (MPA) | Hanyar gwajin tensile | ||||
| minti | minti | Daidai da ma'aunin bututu | Daidai zuwa ga bututun bututu | Daidai da ma'aunin bututu | Daidai zuwa ga bututun bututu | |
| STPT370 | 370 | 215 | 30 | 25 | 28 | 23 |
| STPT410 | 410 | 245 | 25 | 20 | 24 | 19 |
Gwajin Faɗin Ƙasa
Idan nisan da ke tsakanin faranti biyu ya kai tazarar da aka ƙayyade H, ba za a sami lahani ko tsagewa a saman bututun ƙarfe ba.
Ga bututun ƙarfe marasa sumul: H = (1+e)t/(e + t/D);
Ga bututun ƙarfe na ERW: H = 1/3 D (don walda) ko H = 2/3 D (don rabon da ba shi da walda);
H: tazara tsakanin faranti masu lanƙwasa (mm);
е: madaidaicin da aka ayyana daban-daban ga kowane matakin bututu, 0.08 don STPG 370, 0.07 don STPG 410;
t: kauri na bututun bango (mm);
D: diamita na waje na bututu (mm);
Gwajin Faɗin Faɗi ya shafi bututun ƙarfe waɗanda diamitansu ya fi 40A (48.6mm).
Lanƙwasawa
Lanƙwasawa ya shafi bututun da diamitansu bai wuce 40 A (48.6) ko ƙasa da haka ba.
Ya kamata a lanƙwasa bututun a kusurwa 90° a radius na diamita na waje sau 6. Dole ne bangon bututun ya kasance babu lahani ko tsagewa.
Kowace bututun ƙarfe dole ne ta yi gwajin matsin lamba na hydrostatic ko gwajin da ba zai lalata ta ba.
Gwajin Hydrostatic
A riƙe wani matsin lamba na akalla daƙiƙa 5 ba tare da zubar ruwa ba.
Darajar matsin lamba tana da alaƙa da jadawalin Lambar bututun ƙarfe.
| Kauri na bango mara iyaka | Lambar Jadawali: Sch | |||||
| 10 | 20 | 30 | 40 | 60 | 80 | |
| Mafi ƙarancin matsin lamba na gwajin hydraulic, Mpa | 2.0 | 3.5 | 5.0 | 6.0 | 9.0 | 12 |
Gwajin da Ba Ya Lalatawa
Idan ana amfani da duba na'urar ultrasonic, ya kamata a dogara ne akan ƙa'ida mai tsauri fiye da siginar aji ta UD a cikin JIS G 0582.
Idan ana amfani da gwajin eddy current, ya kamata a dogara da shi akan ma'auni wanda ya fi tsauri fiye da siginar aji EY a cikin JIS G 0583.
| Diamita mara iyaka | Diamita na waje | Kauri a bango | Nauyin naúrar | Lambar jadawalin (Lambar Shaida) | |
| A | B | mm | mm | kg/m | |
| 6 | 1/8 | 10.5 | 1.7 | 0.369 | 40 |
| 6 | 1/8 | 10.5 | 2.2 | 0.450 | 60 |
| 6 | 1/8 | 10.5 | 2.4 | 0.479 | 80 |
| 8 | 1/4 | 13.8 | 2.2 | 0.629 | 40 |
| 8 | 1/4 | 13.8 | 2.4 | 0.675 | 60 |
| 8 | 1/4 | 13.8 | 3.0 | 0.799 | 80 |
| 10 | 3/8 | 17.3 | 2.3 | 0.851 | 40 |
| 10 | 3/8 | 17.3 | 2.8 | 1.00 | 60 |
| 10 | 3/8 | 17.3 | 3.2 | 1.11 | 80 |
| 15 | 1/2 | 21.7 | 2.8 | 1.31 | 40 |
| 15 | 1/2 | 21.7 | 3.2 | 1.46 | 60 |
| 15 | 1/2 | 21.7 | 3.7 | 1.64 | 80 |
| 20 | 3/4 | 27.2 | 2.9 | 1.74 | 40 |
| 20 | 3/4 | 27.2 | 3.4 | 2.00 | 60 |
| 20 | 3/4 | 27.2 | 3.9 | 2.24 | 80 |
| 25 | 1 | 34.0 | 3.4 | 2.57 | 40 |
| 25 | 1 | 34.0 | 3.9 | 2.89 | 60 |
| 25 | 1 | 34.0 | 4.5 | 3.27 | 80 |
| 32 | 1 1/4 | 42.7 | 3.6 | 3.47 | 40 |
| 32 | 1 1/4 | 42.7 | 4.5 | 4.24 | 60 |
| 32 | 1 1/4 | 42.7 | 4.9 | 4.57 | 80 |
| 40 | 1 1/2 | 48.6 | 3.7 | 4.10 | 40 |
| 40 | 1 1/2 | 48.6 | 4.5 | 4.89 | 60 |
| 40 | 1 1/2 | 48.6 | 5.1 | 5.47 | 80 |
| 50 | 2 | 60.5 | 3.2 | 4.52 | 20 |
| 50 | 2 | 60.5 | 3.9 | 5.44 | 40 |
| 50 | 2 | 60.5 | 4.9 | 6.72 | 60 |
| 50 | 2 | 60.5 | 5.5 | 7.46 | 80 |
| 65 | 2 1/2 | 76.3 | 4.5 | 7.97 | 20 |
| 65 | 2 1/2 | 76.3 | 5.2 | 9.12 | 40 |
| 65 | 2 1/2 | 76.3 | 6.0 | 10.4 | 60 |
| 65 | 2 1/2 | 76.3 | 7.0 | 12.0 | 80 |
| 80 | 3 | 89.1 | 4.5 | 9.39 | 20 |
| 80 | 3 | 89.1 | 5.5 | 11.3 | 40 |
| 80 | 3 | 89.1 | 6.6 | 13.4 | 60 |
| 80 | 3 | 89.1 | 7.6 | 15.3 | 80 |
| 90 | 3 1/2 | 101.6 | 4.5 | 10.8 | 20 |
| 90 | 3 1/2 | 101.6 | 5.7 | 13.5 | 40 |
| 90 | 3 1/2 | 101.6 | 7.0 | 16.3 | 60 |
| 90 | 3 1/2 | 101.6 | 8.1 | 18.7 | 80 |
| 100 | 4 | 114.3 | 4.9 | 13.2 | 20 |
| 100 | 4 | 114.3 | 6.0 | 16.0 | 40 |
| 100 | 4 | 114.3 | 7.1 | 18.8 | 60 |
| 100 | 4 | 114.3 | 8.6 | 22.4 | 80 |
| 125 | 5 | 139.8 | 5.1 | 16.9 | 20 |
| 125 | 5 | 139.8 | 6.6 | 12.7 | 40 |
| 125 | 5 | 139.8 | 8.1 | 26.3 | 60 |
| 125 | 5 | 139.8 | 9.5 | 30.5 | 80 |
| 150 | 6 | 165.2 | 5.5 | 21.7 | 20 |
| 150 | 6 | 165.2 | 7.1 | 27.7 | 40 |
| 150 | 6 | 165.2 | 9.3 | 35.8 | 60 |
| 150 | 6 | 165.2 | 11.0 | 41.8 | 80 |
| 200 | 8 | 216.3 | 6.4 | 33.1 | 20 |
| 200 | 8 | 216.3 | 7.0 | 36.1 | 30 |
| 200 | 8 | 216.3 | 8.2 | 42.1 | 40 |
| 200 | 8 | 216.3 | 10.3 | 52.3 | 60 |
| 200 | 8 | 216.3 | 12.7 | 63.8 | 80 |
| 250 | 10 | 267.4 | 6.4 | 41.2 | 20 |
| 250 | 10 | 267.4 | 7.8 | 49.9 | 30 |
| 250 | 10 | 267.4 | 9.3 | 59.2 | 40 |
| 250 | 10 | 267.4 | 12.7 | 79.8 | 60 |
| 250 | 10 | 267.4 | 15.1 | 93.9 | 80 |
| 300 | 12 | 318.5 | 6.4 | 49.3 | 20 |
| 300 | 12 | 318.5 | 8.4 | 64.2 | 30 |
| 300 | 12 | 318.5 | 10.3 | 78.3 | 40 |
| 300 | 12 | 318.5 | 14.3 | 107 | 60 |
| 300 | 12 | 318.5 | 17.4 | 129 | 80 |
| 350 | 14 | 355.6 | 6.4 | 55.1 | 10 |
| 350 | 14 | 355.6 | 7.9 | 67.7 | 20 |
| 350 | 14 | 355.6 | 9.5 | 81.1 | 30 |
| 350 | 14 | 355.6 | 11.1 | 94.3 | 40 |
| 350 | 14 | 355.6 | 15.1 | 127 | 60 |
| 350 | 14 | 355.6 | 19.0 | 158 | 80 |
| 400 | 16 | 406.4 | 6.4 | 63.1 | 10 |
| 400 | 16 | 406.4 | 7.9 | 77.6 | 20 |
| 400 | 16 | 406.4 | 9.5 | 93.0 | 30 |
| 400 | 16 | 406.4 | 12.7 | 123 | 40 |
| 400 | 16 | 406.4 | 16.7 | 160 | 60 |
| 400 | 16 | 406.4 | 21.4 | 203 | 80 |
| 450 | 18 | 457.2 | 6.4 | 71.1 | 10 |
| 450 | 18 | 457.2 | 7.9 | 87.5 | 20 |
| 450 | 18 | 457.2 | 11.1 | 122 | 30 |
| 450 | 18 | 457.2 | 14.3 | 156 | 40 |
| 450 | 18 | 457.2 | 19.0 | 205 | 60 |
| 450 | 18 | 457.2 | 23.8 | 254 | 80 |
| 500 | 20 | 508.0 | 6.4 | 79.2 | 10 |
| 500 | 20 | 508.0 | 9.5 | 117 | 20 |
| 500 | 20 | 508.0 | 12.7 | 155 | 30 |
| 500 | 20 | 508.0 | 15.1 | 184 | 40 |
| 500 | 20 | 508.0 | 20.6 | 248 | 60 |
| 500 | 20 | 508.0 | 26.2 | 311 | 80 |
| 550 | 22 | 558.8 | 6.4 | 87.2 | 10 |
| 550 | 22 | 558.8 | 9.5 | 129 | 20 |
| 550 | 22 | 558.8 | 12.7 | 171 | 30 |
| 550 | 22 | 558.8 | 15.9 | 213 | 40 |
| 600 | 24 | 609.6 | 6.4 | 95.2 | 10 |
| 600 | 24 | 609.6 | 9.5 | 141 | 20 |
| 600 | 24 | 609.6 | 14.3 | 210 | 30 |
| 650 | 26 | 660.4 | 7.9 | 127 | 10 |
| 650 | 26 | 660.4 | 12.7 | 203 | 20 |
JIS G 3454 ya haɗa dajadawalin 10, jadawali na 20, jadawali 30, jadawali 40, jadawali 60, kumajadawali 80.
Za ka iya danna jadawalin da kake son gani; mun shirya nau'ikan PDF masu dacewa don dacewa da kai.
JIS G 3454 Juriyar diamita ta waje, kauri bango, rashin daidaituwa, da tsayi dole ne su cika waɗannan buƙatu.
Tun lokacin da aka kafa kamfanin Botop Steel a shekarar 2014, ya zama babban kamfanin samar da bututun ƙarfe na carbon a Arewacin China, wanda aka san shi da kyakkyawan sabis, kayayyaki masu inganci, da kuma cikakkun hanyoyin magance matsaloli.
Kamfanin yana bayar da nau'ikan bututun ƙarfe na carbon da kayayyaki masu alaƙa, gami da bututun ƙarfe marasa sumul, ERW, LSAW, da SSAW, da kuma cikakken jerin kayan haɗin bututu da flanges.
Kayayyakinta na musamman sun haɗa da ƙarfe masu inganci da ƙarfe masu bakin ƙarfe na austenitic, waɗanda aka ƙera don biyan buƙatun ayyukan bututu daban-daban.
Da fatan za a tuntuɓe mu, za mu samar muku da bututun ƙarfe masu inganci, na yau da kullun tare da sabis na ƙwararru da inganci. Botop yana fatan yi muku hidima.
