Wasu dabarun gama gari don ƙididdige nauyin kayan ƙarfe:
Sashen Ka'idarNauyinCarbonƙarfePipe (kg) = 0.0246615 x kauri bango x (diamita na waje - kauri bango) x tsayi
Nauyin ƙarfe mai zagaye (kg) = 0.00617 x diamita x diamita x tsawon
Nauyin ƙarfe mai murabba'i (kg) = 0.00785 x faɗin gefe x faɗin gefe x tsawon
Nauyin ƙarfe mai kusurwa huɗu (kg) = 0.0068 x faɗin gefen gaba x faɗin gefen gaba x tsawon
Nauyin ƙarfe mai tsawon ƙafa huɗu (kg) = 0.0065 x faɗin gefen da ke gaba da juna x faɗin gefen da ke gaba da juna x tsawon
Nauyin rebar (kg) = 0.00617 x diamita da aka ƙididdige x diamita da aka ƙididdige x tsawon
Nauyin kusurwa (kg) = 0.00785 x (faɗin gefe + faɗin gefe - kauri gefe) x kauri gefen x tsayi
Nauyin ƙarfe mai faɗi (kg) = 0.00785 x kauri x faɗin gefe x tsawon
Nauyin farantin ƙarfe (kg) = 7.85 x kauri x yanki
Nauyin sandar tagulla mai zagaye (kg) = 0.00698 x diamita x diamita x tsayi
Nauyin sandar tagulla mai zagaye (kg) = 0.00668 x diamita x diamita x tsayi
Nauyin sandar aluminum mai zagaye (kg) = 0.0022 x diamita x diamita x tsayi
Nauyin sandar tagulla murabba'i (kg) = 0.0089 x faɗin gefe x faɗin gefe x tsawon
Nauyin sandar tagulla murabba'i (kg) = 0.0085 x faɗin gefe x faɗin gefe x tsawon
Nauyin sandar aluminum murabba'i (kg) = 0.0028 x faɗin gefe x faɗin gefe x tsawon
Nauyin sandar tagulla mai launin shunayya mai sheki (kg) = 0.0077 x faɗin gefen da ke gaba da juna x faɗin gefen da ke gaba da juna x tsawon
Nauyin sandar tagulla mai kusurwa shida (kg) = 0.00736 x faɗin gefe x faɗin gefen da ke gaba da juna x tsawon
Nauyin sandar aluminum mai kusurwa shida (kg) = 0.00242 x faɗin gefen gaba x faɗin gefen gaba x tsawon
Nauyin farantin tagulla (kg) = 0.0089 x kauri x faɗi x tsawon
Nauyin farantin tagulla (kg) = 0.0085 x kauri x faɗi x tsawon
Nauyin farantin aluminum (kg) = 0.00171 x kauri x faɗi x tsawon
Nauyin bututun tagulla mai launin shunayya (kg) = 0.028 x kauri bango x (diamita na waje - kauri bango) x tsayi
Nauyin bututun tagulla mai zagaye (kg) = 0.0267 x kauri bango x (diamita na waje - kauri bango) x tsayi
Nauyin bututun aluminum mai zagaye (kg) = 0.00879 x kauri bango x (OD - kauri bango) x tsayi
Lura:Nau'in tsayin da ke cikin dabarar shine mita, naúrar yanki shine murabba'in mita, sauran naúrorin kuma milimita ne. Nauyin da ke sama x farashin naúrar kayan shine farashin kayan, tare da gyaran saman + farashin sa'a na kowane aiki + kayan marufi + kuɗin jigilar kaya + haraji + ƙimar riba = ambato (FOB).
Nauyin kayan da aka saba amfani da su na musamman
Baƙin ƙarfe = 7.85 Aluminum = 2.7 Tagulla = 8.95 Bakin ƙarfe = 7.93
Tsarin lissafi mai sauƙi na nauyin bakin ƙarfe
Tsarin ƙarfe mai lebur mai nauyin bakin ƙarfe a kowace murabba'in mita (kg): 7.93 x kauri (mm) x faɗi (mm) x tsayi (m)
304, 321Bakin Karfe PipeSashen Ka'idarTsarin nauyi a kowace mita (kg): 0.02491 x kauri bango (mm) x (diamita na waje - kauri bango) (mm)
316L, 310SBakin Karfe PipeSashen Ka'idarNauyi a kowace mita (kg) dabara: 0.02495 x kauri bango (mm) x (diamita ta waje - kauri bango) (mm)
Tsarin ƙarfe mai zagaye na bakin ƙarfe a kowace mita (kg): diamita (mm) x diamita (mm) x (bakin nickel: 0.00623; bakin chromium: 0.00609)
Lissafin nauyin ka'idar ƙarfe
Ana auna lissafin nauyin ƙarfe a cikin kilogiram (kg). Tsarinsa na asali shine:
W (nauyi, kg) = F (yankin giciye mm²) x L (tsawon m) x ρ (yawan g/cm³) x 1/1000
Dabarar nauyin ƙarfe daban-daban kamar haka:
Karfe mai zagaye,Nada (kg/m)
W=0.006165 xd xd
d = diamita mm
Diamita na ƙarfe mai zagaye 100mm, nemo nauyin a kowace m. Nauyi a kowace m = 0.006165 x 100² = 61.65kg
Rebar (kg/m)
W=0.00617 xd xd
d = diamita na sashe mm
Nemo nauyin a kowace m na sandar rebar mai diamita na 12mm. Nauyi a kowace m = 0.00617 x 12² = 0.89kg
Karfe mai murabba'i (kg/m)
W=0.00785 xa xa
a = faɗin gefe mm
Nemo nauyin a kowace m na ƙarfe mai faɗin gefe na 20mm. Nauyi a kowace m = 0.00785 x 20² = 3.14kg
Karfe mai faɗi (kg/m)
W=0.00785×b×d
b = faɗin gefe mm
d=kauri mm
Ga wani ƙarfe mai faɗi mai faɗin gefe na 40mm da kauri na 5mm, nemo nauyin a kowace mita. Nauyi a kowace m = 0.00785 × 40 × 5 = 1.57kg
Karfe mai kusurwa huɗu (kg/m)
W=0.006798×s×s
s=nisa daga gefen da ke gaba da juna mm
Nemo nauyin a kowace m na ƙarfe mai siffar hexagon tare da nisan 50mm daga ɓangaren da ke gaba da shi. Nauyi a kowace m = 0.006798 × 502 = 17kg
Karfe mai tsawon ƙafa takwas (kg/m)
W=0.0065×s×s
s=nisa zuwa gefe mm
Nemo nauyin a kowace m na ƙarfe mai tsawon ƙafa takwas tare da nisan 80mm daga gefen da ke gaba. Nauyi a kowace m = 0.0065 × 802 = 41.62kg
Karfe mai kusurwa daidai gwargwado (kg/m)
W = 0.00785 × [d (2b-d) + 0.215 (R²-2r²)]
b = faɗin gefe
d = kauri gefen
R = radius na baka na ciki
r = radius na ƙarshen baka
Nemo nauyin a kowace m na kusurwar daidaito 20 mm x 4 mm. Daga Kasidar Ƙarfe, R na kusurwar daidaito 4mm x 20mm shine 3.5 kuma r shine 1.2, to nauyin a kowace m = 0.00785 x [4 x (2 x 20-4) + 0.215 x (3.52 - 2 x 1.2² )] = 1.15kg
Kusurwar da ba ta daidaita ba (kg/m)
W=0.00785×[d(B+bd) +0.215(R²-2r²)]
B= faɗin gefe mai tsawo
b=gajeren faɗin gefe
d=Kauri na gefe
R= radius na ciki na baka
r=ƙarshen radius na baka
Nemo nauyin a kowace m na 30 mm × 20 mm × 4 mm kusurwa mara daidaito. Daga kundin ƙarfe don nemo kusurwoyin R marasa daidaito 30 × 20 × 4 shine 3.5, r shine 1.2, sannan nauyin a kowace m = 0.00785 × [4 × (30 + 20 - 4) + 0.215 × (3.52 - 2 × 1.2 2 )] = 1.46kg
Karfe mai tashar (kg/m)
W = 0.00785 × [hd + 2t (bd) + 0.349 (R²-r²)]
h=tsawo
b=tsawon ƙafa
d=kauri a kugu
t= matsakaicin kauri ƙafa
R= radius na ciki na baka
r = radius na ƙarshen baka
Nemo nauyin a kowace m na ƙarfen tashar tashoshi na 80 mm × 43 mm × 5 mm. Daga cikin kundin ƙarfe, tashar tana da at na 8 , R na 8 da r na 4. Nauyi a kowace m = 0.00785 × [80 × 5 + 2 × 8 × (43 - 5) + 0.349 × (82 - 4²)] = 8.04kg
Hasken-I (kg/m)
W=0.00785×[hd+2t(bd)+0.615(R²-r²)
h=tsawo
b=tsawon ƙafa
d=kauri a kugu
t= matsakaicin kauri ƙafa
r= radius na ciki na baka
r=ƙarshen radius na baka
Nemo nauyin a kowace m na I-beam na 250 mm × 118 mm × 10 mm. Daga littafin kayan ƙarfe, I-beam yana da at na 13, R na 10 da r na 5. Nauyi a kowace m = 0.00785 x [250 x 10 + 2 x 13 x (118 - 10) + 0.615 x (10² - 5² )] = 42.03kg
Farantin ƙarfe (kg/m²)
W=7.85×d
d=kauri
Nemo nauyin kowace m² na farantin ƙarfe mai kauri 4mm. Nauyi a kowace m² = 7.85 x 4 = 31.4kg
Bututun ƙarfe (gami da bututun ƙarfe mara sumul da kuma wanda aka haɗa da welded) (kg/m)
W=0.0246615×S (DS)
D= diamita na waje
S = kauri bango
Nemo nauyin a kowace m na bututun ƙarfe mara sumul mai diamita na waje na 60mm da kauri na bango na 4mm. Nauyi a kowace m = 0.0246615 × 4 × (60-4) = 5.52kg
Lokacin Saƙo: Oktoba-08-2023