Ko ētahi tātai noa mō te tatau i te taumaha o ngā rauemi whakarewa:
Wāhanga AriāTaumaha oWaromaitaiPteitei (kg) = 0.0246615 x matotoru o te pakitara x (diameter o waho - matotoru o te pakitara) x roa
Taumaha maitai porowhita (kg) = 0.00617 x whānui x whānui x roa
Taumaha maitai tapawhā (kg) = 0.00785 x whānui taha x whānui taha x roa
Taumaha maitai hexagonal (kg) = 0.0068 x whānui taha whakamuri x whānui taha whakamuri x roa
Taumaha maitai waru-ā-toru (kg) = 0.0065 x whānui taha whakarunga x whānui taha whakarunga x roa
Taumaha o te tūāpapa (kg) = 0.00617 x te whānui kua tatauhia x te whānui kua tatauhia x te roa
Taumaha koki (kg) = 0.00785 x (whānui taha + whānui taha - matotoru taha) x matotoru taha x roa
Taumaha maitai papatahi (kg) = 0.00785 x matotoru x whānui taha x roa
Taumaha pereti maitai (kg) = 7.85 x matotoru x horahanga
Taumaha o te pae parahi porowhita (kg) = 0.00698 x te whānui x te whānui x te roa
Taumaha o te pae parahi porowhita (kg) = 0.00668 x te whānui x te whānui x te roa
Taumaha o te pae konumohe porowhita (kg) = 0.0022 x te whānui x te whānui x te roa
Taumaha o te pae parahi tapawhā (kg) = 0.0089 x whānui taha x whānui taha x roa
Taumaha o te pae parahi tapawhā (kg) = 0.0085 x whānui taha x whānui taha x roa
Taumaha o te pae konumohe tapawhā (kg) = 0.0028 x whānui taha x whānui taha x roa
Taumaha o te pae parahi papura hexagonal (kg) = 0.0077 x whānui o te taha whakamuri x whānui o te taha whakamuri x roa
Taumaha o te pae parahi hexagonal (kg) = 0.00736 x whānui taha x whānui taha whakamuri x roa
Taumaha o te pae konumohe hexagonal (kg) = 0.00242 x whānui o te taha whakamuri x whānui o te taha whakamuri x roa
Taumaha pereti parahi (kg) = 0.0089 x matotoru x whānui x roa
Taumaha pereti parahi (kg) = 0.0085 x matotoru x whānui x roa
Taumaha pereti konumohe (kg) = 0.00171 x matotoru x whānui x roa
Taumaha o te ngongo parahi papura porowhita (kg) = 0.028 x matotoru pakitara x (diameter o waho - matotoru pakitara) x roa
Taumaha o te ngongo parahi porowhita (kg) = 0.0267 x matotoru o te pakitara x (diameter o waho - matotoru o te pakitara) x roa
Taumaha o te ngongo konumohe porowhita (kg) = 0.00879 x matotoru o te pakitara x (OD - matotoru o te pakitara) x roa
Tuhipoka:Ko te mita te waeine o te roa i roto i te tātai, ko te mita pūrua te waeine o te horahanga, ā, ko ngā mirimita te toenga. Ko te taumaha i runga ake nei x te utu waeine o te rauemi ko te utu rauemi, me te maimoatanga mata + te utu hāora tangata o ia tukanga + ngā rauemi tākai + te utu kaipuke + te taake + te reiti huamoni = te whakatau utu (FOB).
Te taumaha motuhake o ngā rauemi e whakamahia whānuitia ana
Rino = 7.85 Konumohe = 2.7 Parahi = 8.95 Kowiri tira = 7.93
Tātaitanga māmā mō te taumaha o te kowiri tira
Te taumaha papatahi o te maitai kore waikura mō ia mita pūrua (kg): 7.93 x matotoru (mm) x whānui (mm) x roa (m)
304, 321Kowiri tira PipeWāhanga Ariāte taumaha mō ia mita (kg) tātai: 0.02491 x matotoru o te pakitara (mm) x (diameter o waho - matotoru o te pakitara) (mm)
316L, 310SKowiri tira PipeWāhanga Ariātātai taumaha mō ia mita (kg): 0.02495 x matotoru pakitara (mm) x (diameter o waho - matotoru pakitara) (mm)
Te taumaha o te maitai porowhita kowiri tira mō ia mita (kg) tātai: diameter (mm) x diameter (mm) x (kowiri tira nikara: 0.00623; kowiri tira konuromīne: 0.00609)
Te tātaitanga taumaha ariā o te maitai
Ko te tātaitanga taumaha ariā o te maitai ka inehia i roto i ngā kirokaramu (kg). Ko tōna tauira taketake ko:
W (taumaha, kg) = F (horahanga whakawhiti mm²) x L (roa m) x ρ (kiato g/cm³) x 1/1000
Ko te tātai taumaha ariā o te maitai e whai ake nei:
Rino porowhita,Pōkai (kg/m)
W=0.006165 xd xd
d = diameter mm
Ko te whānui o te maitai porowhita he 100mm, kimihia te taumaha mō ia mita. Taumaha mō ia mita = 0.006165 x 100² = 61.65kg
Pātara (kg/m)
W=0.00617 xd xd
d = diameter wāhanga mm
Kimihia te taumaha mō ia mita o tētahi parepare he 12mm te whānui o te wāhanga. Taumaha mō ia mita = 0.00617 x 12² = 0.89kg
Rino tapawhā (kg/m)
W=0.00785 xa xa
a = whānui taha mm
Kimihia te taumaha mō ia mita o tētahi maitai tapawhā me te whānui o te taha he 20mm. Taumaha mō ia mita = 0.00785 x 20² = 3.14kg
Rino papatahi (kg/m)
W=0.00785×b×d
b = whānui taha mm
d=te matotoru mm
Mō tētahi maitai papatahi he 40mm te whānui o te taha, ā, he 5mm te matotoru, kimihia te taumaha mō ia mita. Taumaha mō ia mita = 0.00785 × 40 × 5 = 1.57kg
Rino ā-ono (kg/m)
W=0.006798×s×s
s=te tawhiti mai i te taha whakamuri mm
Kimihia te taumaha mō ia mita o tētahi maitai hexagonal me te tawhiti o te 50mm mai i te taha whakamuri. Taumaha mō ia mita = 0.006798 × 502 = 17kg
Rino ā-whatu (kg/m)
W=0.0065×s×s
s=tawhiti ki te taha mm
Kimihia te taumaha mō ia mita o tētahi maitai waru-ā-whatu me te tawhiti o te 80mm mai i te taha whakarara. Taumaha mō ia mita = 0.0065 × 802 = 41.62kg
Te maitai koki ōrite (kg/m)
W = 0.00785 × [d (2b-d) + 0.215 (R²-2r²)]
b = whānui taha
d = te matotoru o te taha
R = te pūtoro pewa o roto
r = te pūtoro o te pewa mutunga
Kimihia te taumaha mō ia mita o te koki ōrite 20 mm x 4 mm. Mai i te Raupapa Whakarewa, ko te R o te koki tapa ōrite 4mm x 20mm he 3.5, ā, ko te r he 1.2, kātahi ko te taumaha mō ia mita = 0.00785 x [4 x (2 x 20-4) + 0.215 x (3.52 - 2 x 1.2² )] = 1.15kg
Koki kore taurite (kg/m)
W=0.00785×[d(B+bd) +0.215(R²-2r²)]
B = whānui taha roa
b=whānui taha poto
d = Te matotoru o te taha
R=te pūtoro o te pewa o roto
r=te pūtoro o te pewa mutunga
Kimihia te taumaha mō ia mita o te koki kore taurite 30 mm × 20 mm × 4 mm. Mai i te rarangi rauemi whakarewa hei kimi i ngā koki kore taurite 30 × 20 × 4 o R he 3.5, ko r he 1.2, kātahi ko te taumaha mō ia mita = 0.00785 × [4 × (30 + 20 - 4 ) + 0.215 × (3.52 - 2 × 1.2 2 )] = 1.46kg
Te maitai o te awa (kg/m)
W = 0.00785 × [hd + 2t (bd) + 0.349 (R²-r² )]
h=teitei
b=roa waewae
d = matotoru o te hope
t=te matotoru waewae toharite
R=te pūtoro o te pewa o roto
r = te pūtoro o te pewa mutunga
Kimihia te taumaha mō ia mita o te maitai hongere he 80 mm × 43 mm × 5 mm. Mai i tētahi rarangi rauemi whakarewa, ko te hongere he 8, he 8 te R, ā, he 4 te r. Taumaha mō ia mita = 0.00785 × [80 × 5 + 2 × 8 × (43 - 5) + 0.349 × (82 - 4²)] = 8.04kg
Kurupae-I (kg/m)
W=0.00785×[hd+2t(bd)+0.615(R²-r²)
h=teitei
b=roa waewae
d = matotoru o te hope
t=te matotoru waewae toharite
r=te pūtoro o te pewa o roto
r=te pūtoro o te pewa mutunga
Kimihia te taumaha mō ia mita o tētahi kurupae-I he 250 mm × 118 mm × 10 mm. Mai i te pukapuka rauemi whakarewa, ko te taumaha o te kurupae-I he 13, ko te R he 10, ā, ko te r he 5. Taumaha mō ia mita = 0.00785 x [250 x 10 + 2 x 13 x (118 - 10) + 0.615 x (10² - 5² )] = 42.03kg
Pereti maitai (kg/m²)
W=7.85×d
d=te matotoru
Kimihia te taumaha mō ia m² o tētahi pereti maitai he 4mm te matotoru. Taumaha mō ia m² = 7.85 x 4 = 31.4kg
Paipa rino (tae atu ki ngā paipa rino tuia me ngā paipa rino whakarewa) (kg/m)
W=0.0246615×S (DS)
D = diameter o waho
S = te matotoru o te pakitara
Kimihia te taumaha mō ia mita o tētahi paipa maitai kore hononga, he 60mm te whānui o waho, ā, he 4mm te matotoru o te pakitara. Taumaha mō ia mita = 0.0246615 × 4 × (60-4) = 5.52kg
Wā tuku: Oketopa-08-2023