A709-50F-2 thiab A709-50T-2 steel yog ob qho tib si American standard choj structural steels, uas yog siv los ua txoj kev loj choj thiab railway choj (xws li hiav txwv hla choj) ntawm riveted thiab bolted lug.
A709 yog hais txog tus qauv Asmeskas:ASTM A709 / A709M steel qauvrau choj; 50 yog qib nyob rau hauv ASTM A709 / A709M tus qauv, uas yog, cov qauv hlau rau cov txuas hniav nrog lub zog tawm los Ntau dua lossis sib npaug rau 345MPa; F: qhov tseem ceeb fracture tensile tus tswv cuab, siv rau qhov tseem ceeb fracture Khoom rau tensile ntsiab hauv cov qauv; T yog lub ntsiab tensile rau tsis yog- pob txha tseem ceeb, cov khoom rau tensile cov ntsiab lus nyob rau hauv tsis yog - tseem ceeb fractures; Cov qib uas tsis muaj T lossis F cov lus xaus tsis tas yuav tsum muaj kev ntsuam xyuas qhov cuam tshuam, tab sis tsuas yog siv tau rau Non-cov tswv cuab tensile lossis cov tswv cuab theem nrab; 2 yog Charpy V-notch impact test area code, kuj hu ua qib.
Mechanical zog ntawm qib A709 Qib 50S
|
Qib |
tuab |
Yield Min |
Tensile [MPa] |
Elongtation Min % |
txo Min % |
HB |
|||
|
Hlau Phaj |
Cov qauv hlau |
||||||||
|
200 hli |
50 hli |
200 hli |
50 hli |
||||||
|
A709 Qib 50S |
|
345-450 |
450 min |
|
|
18 |
21 |
|
|
FAQ:
Q: Koj puas muaj kev pabcuam tom qab- muag?
A: Tau kawg, koj tuaj yeem tiv tauj peb txhua lub sijhawm.peb cog lus tias peb cov khoom tsim nyog. Yog tias koj pom cov khoom tsis tsim nyog thiab tsis txaus siab rau qhov koj xav tau, thov hu rau peb txhua lub sijhawm.
Q: Cov nqe lus shipping yog dab tsi?
A: Peb lees txais FOB, CIF, CFR thiab lwm yam kev xa khoom thoob ntiaj teb. Chaw nres nkoj ntawm kev thauj khoom tuaj yeem teev raws li cov neeg siv khoom xav tau.
Cim npe nrov: astm a709 qib 50 phaj rau txuas hniav, Tuam Tshoj astm a709 qib 50 phaj rau choj manufacturers, lwm tus neeg, Hoobkas
