Farashin G3454shine ma'aunin masana'antu na Japan don bututun ƙarfe na carbon don tsarin matsa lamba tare da matsakaicin zafin aiki na 350 ° C.Ma'aunin ya ƙunshi maki biyu:Farashin STPG370kumaSaukewa: STPG410.Ya shafi juriya na lantarki welded (ERW) ko bututu maras sumul tare da diamita mara kyau na 10.5 mm zuwa 660.4 mm (watau 6A zuwa 650A, ko 1/8B zuwa 26B).
JIS G 3454 bututun ƙarfe dole ne a kera su ta amfani da haɗin da ya dace na hanyoyin samar da bututun ƙarfe da hanyoyin gamawa a cikin tebur da ke ƙasa.
| Alamar daraja | Alamar tsarin masana'anta | ||
| Tsarin kera bututu | Hanyar gamawa | Rarraba na tutiya mai rufi | |
| Saukewa: STPG370 Saukewa: STPG410 | Babu shakka: S Juriyar wutar lantarki: E | An gama zafi: H Ciwon sanyi: C Kamar yadda juriya na lantarki: G | Baƙaƙen bututu: bututu ba a ba da suturar zinc ba Farin bututu: bututun da aka ba da suturar zinc |
Musamman, akwai hanyoyin masana'antu guda biyar:
SH: Bututun ƙarfe mara nauyi wanda aka gama da zafi;
SC: Bututun ƙarfe mara nauyi wanda aka gama da sanyi;
EH: Hot-ƙare lantarki juriya welded karfe bututu;
EC: sanyi-ƙare wutar lantarki juriya welded karfe bututu;
EG: Juriyar wutar lantarki mai waldadden bututun ƙarfe banda wanda aka gama da zafi da sanyi.
Botop Karfeƙera ne kuma mai samar da bututun ƙarfe na welded mai inganci daga China, da kuma ƙwararren ƙwararren bututun ƙarfe maras sumul.Idan kuna da wasu buƙatu, don Allah ku ji daɗin tuntuɓar mu kuma za mu ba ku tallafin fasaha na ƙwararrun kyauta.
| Alamar daraja | C | Si | Mn | P | S |
| max | max | - | max | max | |
| Farashin STPG370 | 0.25% | 0.35% | 0.30-0.90% | 0.040% | 0.040% |
| Saukewa: STPG410 | 0.30% | 0.35% | 0.30-1.00% | 0.040% | 0.040% |
Yana ba da izinin ƙari na sauran abubuwan haɗawa.
Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfafawa, Ƙarfafa Ƙarfafawa ko Ƙarfafa Ƙarfafawa
| Alama na daraja | Ƙarfin ƙarfi | Matsayin rabo ko damuwa hujja | Tsawaitawa min,% | |||
| Yankin gwajin tensile | ||||||
| Na 11 ko Na 12 | Na 5 | Na 4 | ||||
| N/mm² (MPA) | N/mm² (MPA) | Hanyar gwajin tensile | ||||
| min | min | Daidai da bututu axis | Perpendicular zuwa bututu axis | Daidai da bututu axis | Perpendicular zuwa bututu axis | |
| Saukewa: STPT370 | 370 | 215 | 30 | 25 | 28 | 23 |
| Saukewa: STPT410 | 410 | 245 | 25 | 20 | 24 | 19 |
Gwajin Lalacewa
Lokacin da nisa tsakanin faranti biyu ya kai ƙayyadadden nisa H, ba za a sami lahani ko tsagewa a saman bututun ƙarfe ba.
Don bututun ƙarfe mara nauyi: H = (1+e) t/ (e + t/D);
Don bututun ƙarfe na ERW: H = 1/3 D (don weld) ko H = 2/3 D (don ɓangaren ba tare da walda ba);
H: nisa tsakanin faranti masu lankwasa (mm);
е: akai-akai da aka ƙayyade ga kowane sa na bututu, 0.08 don STPG 370, 0.07 don STPG 410;
t: kauri bango na bututu (mm);
D: diamita na waje na bututu (mm);
Gwajin walƙiya yana aiki da bututun ƙarfe tare da diamita mara kyau fiye da 40A (48.6mm).
Lanƙwasa
Bendability ya shafi bututu tare da ƙananan diamita na 40 A (48.6) ko ƙarami.
Ya kamata a lanƙwasa bututu 90° a radius na diamita na waje sau 6.Dole ne bangon bututu ya zama mara lahani ko fasa.
Kowane bututun ƙarfe dole ne a yi gwajin matsa lamba na hydrostatic ko gwajin mara lalacewa.
Gwajin Hydrostatic
Rike wani matsa lamba na aƙalla daƙiƙa 5 ba tare da yabo ba.
Matsakaicin ƙimar yana da alaƙa da jadawalin A'a na bututun ƙarfe.
| Kaurin bango mara kyau | Lambar jadawalin: Sch | |||||
| 10 | 20 | 30 | 40 | 60 | 80 | |
| Matsakaicin gwajin hydraulic, Mpa | 2.0 | 3.5 | 5.0 | 6.0 | 9.0 | 12 |
Gwajin mara lalacewa
Idan ana amfani da binciken ultrasonic, yakamata a dogara da ma'auni mai tsauri fiye da siginar aji na UD a JIS G 0582.
Idan an yi amfani da gwajin eddy na yanzu, yakamata ya dogara ne akan ma'auni mai ƙarfi fiye da siginar ajin EY a JIS G 0583.
| Diamita mara kyau | Diamita na waje | Kaurin bango | Yawan raka'a | Lambar jadawalin (Sch No.) | |
| 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 Haƙuri don diamita na waje, kauri na bango, eccentricity, da tsayi za su cika buƙatu masu zuwa.
Tun lokacin da aka kafa shi a cikin 2014, Botop Steel ya zama babban mai samar da bututun ƙarfe na carbon a Arewacin kasar Sin, wanda aka sani don kyakkyawan sabis, samfurori masu inganci, da cikakkun mafita.
Kamfanin yana ba da nau'ikan bututun ƙarfe na carbon da samfuran da ke da alaƙa, waɗanda suka haɗa da marasa ƙarfi, ERW, LSAW, da bututun ƙarfe na SSAW, da kuma cikakken jeri na kayan aikin bututu da flanges.
Kayayyakinsa na musamman sun haɗa da gawa mai daraja da austenitic bakin karafa, waɗanda aka keɓance don biyan buƙatun ayyukan bututun.
Da fatan za a tuntuɓe mu, za mu samar muku da inganci mai inganci, daidaitaccen bututun ƙarfe tare da ƙwararru da ingantaccen sabis.Botop na fatan yi muku hidima.
