Dimensional kam rau ua | ||
Cov khoom tshwj xeeb thiab qhov loj me | Dimensional kam rau ua | |
ntev ntawm sab | 100mm los yog qis dua | ± 1.5 hli |
tshaj 100 mm | ± 1.5 feem pua | |
Unvenness ntawm flat phaj feem | sab ntev 100mm los yog hauv qab | 0.5 hli max |
sab ntev tshaj 100mm | nyob rau hauv 0.5 feem pua ntawm sab ntev | |
Angularity ua los ntawm cov phaj tiaj tiaj uas nyob ib sab
| ± 1.5 degree | |
Dimension ntawm kaum: s | 3 t max | |
Ntev | ntxiv tsis tau teev tseg 0 | |
Tsis ncaj | Hauv 0.3 feem pua | |
Phab ntsa thickness: t | Square steel tube tsim los ntawm vuam | hauv qab 3 hli ± 0.3mm |
hauv qab 4mm ± 0.6mm | ||
CHEMICAL COMPOSITION feem pua max | |||||
Qib hlau | C | Si | Mn | P | S |
TSI 400 | 0.25 | - | - | 0.04 | 0.04 |
TIAB SA 490 | 0.18 | 0.55 | 1.5 | 0.04 | 0.04 |
MECHANICAL PROPERTIES min | |||
Qib Steel | Tensile zog Mpa | Yeild point lossis pov thawj kev ntxhov siab Mpa | Elongation feem pua |
TSI 400 | 400 | 245 | 23 |
TIAB SA 490 | 490 | 325 | 23 |
Txoj kev tsim khoom:
Tsim cov welded steel raj
Seamless steel raj rau hauv square
Ua ib daim ntawv steel hauv kauj rau hauv cov square seem lossis rau hauv ib khub ntawm tshooj channel ua raws li kev siv hluav taws xob txuas ntxiv los yog tsis siv neeg arc vuam txheej txheem.
Qauv: JIS G3466 STKR400 STKR490
Loj: 20MMX20MM -- 500MMX500MM 550MMX550MM -- 1200MMX1200MM
Cim npe nrov: jis g3499 stkr490 hollow seem, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, nqe
