| Lub npe | AS 1074: Cov raj hlau thiab cov tubular rau kev pabcuam zoo tib yam |
| Scope | Qhia meej txog qhov yuav tsum tau ua rau cov raj steel hlau thiab cov tubular, thiab cov hlau-kawg uas haum rau cov ntsia hlau raws li tau teev tseg hauv AS 1722.1 |
| Kev faib tawm | Peb phab ntsa thicknesses ntawm lub raj: xaiv Lub Teeb, Nruab Nrab, thiab Hnyav |
| Tube | Yuav ua tau welded thiab seamless raj: ntev ntawm uniform ncig hollowsection |
| Ntsia Hlau Xov | Threaded tubes yuav tsum ua raws li AS 1722.1 |
| DN | DN 8 txog DN 150 suav nrog (nominal loj) |
| Phab ntsa Thickness | 1.8mm-5.4 hli |
| txheej | Varnish txheej, galvanized, 3 txheej PE, FBE, thiab lwm yam. |
| Cov txheej txheem ntsig txog | ISO 65; ISO 3183; ASTM A53; ASTM A106; BS EN 10255; BS 1387; DIN 2440; DIN 2448; JIS G 3452; JIS G 3454; CSA Z245.1; GOST 10704-91; SANS 62-1; API 5L; EN 10217-1; thiab lwm yam. |
| Tshuaj muaj pes tsawg leeg | Scope |
| CE(Carbon sib npaug) | ≤0.4 |
| P (phosphorus) | max 0.045% |
| S(Sulfur) | max 0.045% |
CE (Carbon sib npaug) = C + Mn / 6
| Dimensional Tolerances | ||
| Sau npe | Hom | scop |
| Thickness (T) | Lub teeb welded raj | tsawg kawg 92% |
| Nruab nrab thiab hnyav welded raj | tsawg tshaj 90% | |
| Nruab nrab thiab hnyav Seamless raj | qis tshaj 87.5% | |
| Sab nraud txoj kab uas hla (OD) | Lub teeb welded raj | Table 2.1 |
| Cov raj nruab nrab | Table 2.2 | |
| Cov raj hnyav | Table 2.3 | |
| Pawg | tag nrho ntev ≥150 m | ± 4% |
| Ib lub cev steel | 92% ~ 110% | |
| ntev | Txheem ntev | 6.50 ± 0.08 m |
| Ntev npaum li cas Qhov ntev npaum li cas tau teev tseg, ob qho tib si rau cov raj threaded lossis rau cov raj kawg nkaus | 0 ~ + 8 hli | |
| Sau npe | Kev faib tawm | Tus nqi | |
| Tensile zog, min | MPa | 320-460 : kuv | |
| Yield zog, min | MPa | 195 | |
| Elongation ib gauge ntev ntawm 5.65√So, min | % | 20 | |
Tawm Diameter Inspection
Phab ntsa Thickness soj ntsuam
Kev soj ntsuam kawg
Kev tshuaj xyuas ncaj ncees
UT Kev Tshawb Fawb
Kev tshuaj xyuas qhov tshwm sim
Pipe End Beveling
Yas Caps
Dub Painting nrog Marking
Cov ntaub qhwv
Bundling thiab Sling
Pob tshwm sim
Tubes yuav tsum txawv ntawm cov xim ntawm ib kawg raws li hauv qab no:
| cev | xim |
| Lub teeb lub raj | Xim av |
| Lub raj nruab nrab | Xiav |
| Lub cev hnyav | Liab |
AS 1074 steel yeeb nkab yog siv nyob rau hauv ntau yam kev siv, nrog rau cov dej hauv nroog thiab cov pa xa hluav taws xob, cov tshuab hluav taws xob hauv cov tsev, thiab ntau yam kev lag luam thiab kev ua liaj ua teb.
Seamless Yeeb Nkoj Nkoj rau Qatar
Seamless Pipe nkoj nkoj mus rau Pakistan
Seamless Yeeb Nkoj Nkoj mus rau South Africa
