JIS G3444 STK490 carbon steel yeeb nkab txais cov txheej txheem tsim seamless, muaj cov khoom siv zoo thiab kev ua haujlwm, thiab siv dav hauv ntau lub sijhawm uas xav tau lub zog siab thiab zoo weldability. Nws yog tsim rau ntau yam qauv xws li civil engineering, kev tsim kho, hlau yees, scaffolding, pillars, anti-slide steel piles, thiab lwm yam.
Cov ntaub ntawv khoom
JIS G3444 STK490 steel yeeb nkab / raj tshuaj lom neeg muaj pes tsawg leeg
| Lub cim ntawm chav kawm | C | Si | Mn | P | S |
| STK490 | 0.18 max | 0.55 max | 1.50 max | 0.040 max | 0.040 max |
JIS G3444 STK490 steel kav / raj Mechanical Properties
| Mechanical zog | Tensile zog N / mm2 | Tawm taw tes lossis pov thawj kev ntxhov siab N / mm2 | Elongation% | Kho tau yooj yim | flattening | Tensile zog nyob rau hauv welded cheeb tsam N / mm2 | ||
| No.11 thiab No.12 test pieces | No.5 test daim | Khoov lub kaum sab xis | Sab hauv vojvoog (D: sab nraud txoj kab uas hla ntawm lub raj) | Qhov nrug nruab nrab ntawm cov phaj flattening (H) (D: sab nraud ntawm lub raj) | ||||
| Longitudinal kev taw qhia | Transverse kev taw qhia | |||||||
| Txoj kev tsim khoom | Seamless, pob tw-welding, hluav taws xob kuj vuam thiab arc vuam txheej txheem | Seamless, pob tw-welding, hluav taws xob tsis kam vuam txheej txheem | Seamless, pob tw-welding, hluav taws xob tsis kam vuam txheej txheem | Arc vuam txheej txheem | ||||
| Sab nraud txoj kab uas hla | Muaj ntau yam | Muaj ntau yam | Tshaj 40 mm | 50mm los yog qis dua | Muaj ntau yam | Ntau tshaj 350 mm | ||
| STK490 | 490 nqi | 315 nqi | 23 feeb | 18 feeb | 90d 6 | 7/8D | 490 nqi | |
Cov khoom tso tawm
JIS G3444 STK490 Carbon Steel Tube
Vim li cas thiaj xaiv GNEE
GNEE tau koom nrog hauv kev lag luam steel rau ntau tshaj 16 xyoo. Nws muaj ob lub yeeb nkab steel thiab phaj series ntau lawm thiab ua cov chaw tsim khoom thiab peb lub tsev khaws khoom. Peb cov khoom lag luam txhua xyoo tuaj yeem ncav cuag 500, 000 tons, thiab cov khoom lag luam warehouse ntau tshaj 20, 000 tons hauv ib xyoos.
Tsis tas li ntawd, peb tuaj yeem muab cov txheej txheem ua haujlwm rau cov khoom siv hlau, xws li kev tiv thaiv xeb, txiav thiab chamfering, kev sib txuas, kev kho cua sov, khoov, galvanizing, polishing, beveling, pickling, txau, CNC machining, thiab lwm yam.
Yog tias koj xav paub ntau ntxiv txog peb lub tuam txhab lossis peb cov khoom, thov koj xav tiv tauj peb.sales@gneetube.com
GNEE CUSTOMER VAJTSWV
GNEE Factory Environment
GNEE packaging thiab Shipping
FAQ
Q: Koj puas muaj kev tswj xyuas zoo?
A: Yog, peb tau txais BV, SGS authentication.
Q: Koj puas tuaj yeem npaj cov khoom xa tuaj?
A: Tseeb, peb muaj cov neeg xa khoom mus tas li uas tuaj yeem tau txais tus nqi zoo tshaj plaws los ntawm ntau lub tuam txhab nkoj thiab muab kev pabcuam tshaj lij.
Q: Koj lub sijhawm xa khoom ntev npaum li cas?
A: Feem ntau nws yog 7-14 hnub yog tias cov khoom muaj nyob hauv Tshuag. los yog nws yog 25-45 hnub yog tias cov khoom tsis nyob hauv Tshuag, nws yog raws li qhov ntau.
Cim npe nrov: jis g3444 stk490 seamless carbon steel raj, Tuam Tshoj jis g3444 stk490 seamless carbon steel raj manufacturers, lwm tus neeg, Hoobkas
