Steel Qib:
ASTM A588 / A588M Kev Cai
ASTM A252 GR 1, GR 2, GR 3
ASTM A572: GR 42, GR 50, GR 55, GR 55, GR 60, GR65
API 5L: GR B, X42, X46, X52, X56, X60, X65, X70, X80
EN: S235JR, S275JR, S355JR, S355J0H, S355J2H, S420, S450, S460
Xaus: Plain xaus, bevel xaus, welded nrog piling nkawm khau & txhawb lub nplhaib
Kev kho deg: Bitumen txheej, fusion daim ntawv cog lus epoxy txheej, 2PE, 3PE, Polyamide epoxy, nplua nuj zinc primer, polyurethane, thiab lwm yam.
Steel Chemical Composition
Cov hlau yuav tsum ua raws li cov cai hauv qab no raws li cov tshuaj muaj pes tsawg leeg:
Phosphorus, siab tshaj (%): 0.050
Mechanical Properties
Qib Steel
Yield zog, min. psi (MPa)
Tensil zog, min. psi (MPa)
Elongation hauv 2 hauv., min. %
QIB 1
30,000 (205)
50,000 (345)
30%
QIB 2
35,000 (240)
60,000 (415)
25%
QIB 3
45,000 (310)
66,000 (455)
20%
Yuav tsum tau xeem
Tshuaj ntsuam xyuas, Mechanical Test, Visusal Inspection, Tension Test, Dimension Check
Cim npe nrov: en 10219 s355jr lsaw yeeb nkab, Tuam Tshoj en 10219 s355jr lsaw yeeb nkab manufacturers, lwm tus neeg, Hoobkas
