Wasu hanyoyin gama gari don ƙididdige nauyin kayan ƙarfe:
Sashin ka'idarNauyinCarbonkarfePipe (kg) = 0.0246615 x kaurin bango x (diamita na waje - kaurin bango) x tsayi
Nauyin ƙarfe na zagaye (kg) = 0.00617 x diamita x diamita x tsayin
Nauyin karfen murabba'i (kg) = 0.00785 x nisa gefen x tsayin gefe
Nauyin karfe hexagonal (kg) = 0.0068 x kishiyar nisa ta gefe x gaban nisa x tsayin
Nauyin karfen Octagonal (kg) = 0.0065 x kishiyar nisa ta gefe x kishiyar nisa x tsayin
Nauyin Rebar (kg) = 0.00617 x diamita mai ƙididdigewa x tsayin da aka ƙididdige diamita
Nauyin kusurwa (kg) = 0.00785 x (nisa nisa + faɗin gefe - kauri na gefe) x kauri x tsawon
Flat karfe nauyi (kg) = 0.00785 x kauri x nisa gefen x tsawon
Nauyin farantin karfe (kg) = 7.85 x kauri x yanki
Nauyin sandar tagulla mai zagaye (kg) = 0.00698 x diamita x tsayin x diamita
Nauyin sandar tagulla mai zagaye (kg) = 0.00668 x diamita x tsayin x diamita
Nauyin shinge na aluminum zagaye (kg) = 0.0022 x diamita x diamita x tsayin
Nauyin shinge na tagulla mai murabba'i (kg) = 0.0089 x nisa gefen x tsayin gefe
Nauyin mashaya tagulla (kg) = 0.0085 x faɗin gefe x faɗin gefe x tsayin
Nauyin bargon aluminium murabba'i (kg) = 0.0028 x nisa gefen x tsayin gefe
Hexagonal purple brass bars nauyi (kg) = 0.0077 x kishiyar nisa ta gefe x gaban nisa x tsawon x
Nauyin sandar tagulla mai hexagonal (kg) = 0.00736 x nisa na gefe x gaban nisa x tsawon
Nauyin bargon aluminum hexagonal (kg) = 0.00242 x kishiyar nisa ta gefe x gaban nisa x tsayin
Nauyin farantin jan karfe (kg) = 0.0089 x kauri x nisa x tsayi
Nauyin farantin ƙarfe (kg) = 0.0085 x kauri x nisa x tsayin
Nauyin farantin aluminum (kg) = 0.00171 x kauri x nisa x tsayi
Nauyin bututun jan ƙarfe mai launin shuɗi (kg) = 0.028 x kauri bango x (diamita na waje - kauri na bango) x tsayi
Round Brass tube nauyi (kg) = 0.0267 x kauri bango x (diamita na waje - kauri na bango) x tsawon
Nauyin bututun aluminum zagaye (kg) = 0.00879 x kauri bango x (OD - kauri na bango) x tsawon
Lura:Matsakaicin tsayi a cikin dabara shine mita, naúrar yanki shine murabba'in mita, sauran raka'a kuwa millimeters ne.Farashin naúrar x na sama na sama shine farashin kayan, da jiyya na ƙasa + farashin sa'a na kowane tsari + kayan marufi + kuɗin jigilar kaya + haraji + ƙimar riba = ƙididdigewa (FOB).
Takamaiman nauyi na kayan da aka saba amfani da su
Iron = 7.85 Aluminum = 2.7 Copper = 8.95 Bakin Karfe = 7.93
Bakin karfe nauyi sauki lissafin dabara
Bakin karfe lebur nauyi a kowace murabba'in mita (kg): 7.93 x kauri (mm) x nisa (mm) x tsawon (m)
304, 321Bakin Karfe PkiraSashin ka'idarNauyin kowane mita (kg) dabara: 0.02491 x kauri bango (mm) x (diamita na waje - kauri na bango) (mm)
316L, 310SBakin Karfe PkiraSashin ka'idarNauyin kowane mita (kg) dabara: 0.02495 x kauri bango (mm) x (diamita na waje - kauri na bango) (mm)
Bakin Karfe nauyi a kowace mita (kg) dabara: diamita (mm) x diamita (mm) x (nickel bakin: 0.00623; chromium bakin: 0.00609)
Ƙididdigar ma'aunin nauyi na ƙarfe
Ana auna lissafin ma'aunin nauyi na ƙarfe a cikin kilogiram (kg).Asalin tsarinsa shine:
W (nauyin nauyi, kg) = F (yanki-tsakiyar yanki mm²) x L (tsawon m) x ρ (yawan g/cm³) x 1/1000
Daban-daban karfe ka'idar nauyi dabara ne kamar haka:
Karfe zagaye,Nada (kg/m)
W=0.006165 xd
d = diamita mm
Diamita 100mm zagaye karfe, nemo nauyin kowane m.Nauyin kowane m = 0.006165 x 100² = 61.65kg
Rebar (kg/m)
W=0.00617 xd
d = sashe diamita mm
Nemo nauyin kowane m na rebar tare da diamita na yanki na 12mm.Nauyin kowane m = 0.00617 x 12² = 0.89kg
Karfe murabba'i (kg/m)
W=0.00785 xa xa
a = faɗin gefe mm
Nemo nauyin kowane m na karfe mai murabba'i tare da fadin gefen 20mm.Nauyin kowane m = 0.00785 x 20² = 3.14kg
Bakin karfe (kg/m)
W=0.00785×b×d
b = faɗin gefe mm
d= kauri mm
Don lebur karfe mai nisa na gefe na 40mm da kauri na 5mm, nemo nauyin kowace mita.Nauyin kowane m = 0.00785 × 40 × 5 = 1.57kg
Karfe hexagonal (kg/m)
W=0.006798×s×s
s=nisa daga gefe mm
Nemo nauyin kowane m na karfe hexagonal tare da nisa na 50mm daga kishiyar gefe.Nauyin kowane m = 0.006798 × 502 = 17kg
Karfe Octagonal (kg/m)
W=0.0065×s×s
s= nisa zuwa gefe mm
Nemo nauyin kowane m na karfe octagonal tare da nisa na 80mm daga gefen gaba.Nauyin kowane m = 0.0065 × 802 = 41.62kg
Karfe madaidaicin kusurwa (kg/m)
W = 0.00785 × [d (2b-d) + 0.215 (R²-2r²)]
b = fadin gefe
d = kauri baki
R = radius na ciki
r = radius na karshen baka
Nemo nauyin kowane m na 20 mm x 4 mm daidai kwana.Daga Kundin Ƙarfe, R na 4mm x 20mm daidai-gefen kusurwa shine 3.5 kuma r shine 1.2, sannan nauyin kowane m = 0.00785 x [4 x (2 x 20-4) + 0.215 x (3.52 - 2 x 1.2²)] = 1.15kg
Kwangi mara daidaituwa (kg/m)
W=0.00785×[d(B+bd) +0.215(R²-2r²)]
B=fadin gefe mai tsayi
b=gajeren nisa
d=Kaurin gefe
R= radius na ciki
r=karshen baka radius
Nemo nauyin kowane m na 30 mm × 20 mm × 4 mm kusurwa mara daidaituwa.Daga kasidar ƙarfe don nemo 30 × 20 × 4 kusurwoyi marasa daidaituwa na R shine 3.5, r shine 1.2, sannan nauyin m = 0.00785 × [4 × (30 + 20 - 4) + 0.215 × (3.52 - 2 × 1.2 2) = 1.46 kg
Tashar karfe (kg/m)
W = 0.00785 × [hd + 2t (bd) + 0.349 (R²-r²)]
h=tsawo
b=tsawon kafa
d=kaurin kugu
t=matsakaicin kaurin kafa
R= radius na ciki
r = radius na karshen baka
Nemo nauyin kowane m na tashar karfe na 80 mm × 43 mm × 5 mm.Daga kasida ta ƙarfe tashar tashar tana da na 8, R na 8 da r na 4. Nauyin kowane m = 0.00785 × [80 × 5 + 2 × 8 × (43 - 5) + 0.349 × (82 - 4²)] = 8.04kg
I-beam (kg/m)
W=0.00785×[hd+2t(bd)+0.615(R²-r²)
h=tsawo
b=tsawon kafa
d=kaurin kugu
t=matsakaicin kaurin kafa
r= radius na ciki
r=karshen baka radius
Nemo nauyin kowane m na I-beam na 250 mm × 118 mm × 10 mm.Daga littafin kayan aikin karfe I-beam yana da na 13, R na 10 da r na 5. Nauyi a kowane m = 0.00785 x [250 x 10 + 2 x 13 x (118 - 10) + 0.615 x (10² - 5²)] = 42.03kg
Farantin karfe (kg/m²)
W=7.85×d
d=kauri
Nemo nauyin kowane m² na farantin karfe na kauri 4mm.Nauyin kowane m² = 7.85 x 4 = 31.4kg
Bututun ƙarfe (ciki har da bututun ƙarfe maras sumul da welded) (kg/m)
W=0.0246615×S (DS)
D= diamita na waje
S = kaurin bango
Nemo nauyin kowane m na bututun ƙarfe mara nauyi tare da diamita na waje na 60mm da kaurin bango na 4mm.Nauyin kowane m = 0.0246615 × 4 × (60-4) = 5.52kg
Lokacin aikawa: Oktoba-08-2023