GB8163 Kab Hlau Yeeb Nkab Seamless Steel Yeeb Nkab

Lus piav qhia luv luv:

GB 8163 Seamless Steel Pipe yog siv rau kev xa khoom ntawm roj av, roj av thiab lwm yam kua dej.8163 kua yeeb nkab yog ib hom yeeb nkab nrog hollow seem thiab tsis muaj vuam los ntawm qhov kawg mus rau qhov kawg.Cov yeeb nkab steel muaj qhov hollow seem, thiab tau siv dav los ua cov yeeb nkab rau kev xa cov kua dej, xws li roj, nkev, roj, dej thiab qee yam khoom siv.

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Khoom cim npe

Khoom Taw Qhia

Piv nrog cov khoom hlau xws li cov hlau puag ncig, cov yeeb nkab steel yog lub teeb hauv qhov hnyav thaum khoov thiab lub zog torsion zoo ib yam.Nws yog ib qho kev lag luam hla ntu hlau thiab yog dav siv los tsim cov khoom siv thiab cov khoom siv kho tshuab, xws li roj laum yeeb nkab, tsheb sib kis ncej, tsheb kauj vab ncej thiab steel scaffold siv hauv kev tsim kho.Kev tsim cov nplhaib-zoo li qhov chaw nrog cov kav hlau tuaj yeem txhim kho kev siv cov khoom siv, ua kom yooj yim rau kev tsim khoom, thiab txuag cov ntaub ntawv thiab cov sijhawm ua haujlwm, xws li dov bearing rings thiab Jack tes tsho.Tam sim no, cov kav hlau steel tau siv dav rau kev tsim khoom.Cov yeeb nkab steel kuj yog ib qho khoom siv tsis tau rau txhua yam riam phom.Lub thoob thiab cov phom phom yog ua los ntawm cov yeeb nkab steel.Cov kav hlau hlau tuaj yeem muab faib ua cov kav dej thiab cov kav dej tshwj xeeb raws li qhov sib txawv ntawm qhov sib txawv thiab cov duab.Txij li cov cheeb tsam ncig yog qhov loj tshaj plaws nyob rau hauv cov xwm txheej ntawm qhov sib npaug, cov kua dej ntau tuaj yeem thauj tau los ntawm cov kav dej.Tsis tas li ntawd, thaum lub nplhaib seem raug rau sab hauv lossis sab nraud radial siab, lub zog ntau dua.Yog li ntawd, feem ntau ntawm cov kav hlau steel yog cov kav dej puag ncig.

Txuj: GB / T8163.

Main Steel Tube Qib: 10, 20, Q345, thiab lwm yam.

Lwm cov qib kuj tuaj yeem muab tau tom qab kev sab laj nrog cov neeg siv khoom.

Khoom Qhia

Tshuaj muaj pes tsawg leeg

Txuj	Qib	Tshuaj muaj pes tsawg leeg%
Txuj	Qib	C	Si	Mn	P, S	Cr	Ni	Cu
GB / T8163	10	0.07-0.14 dr hab	0.17-0.37 Nws	0.35-0.65 Nws	≤ 0.035	≤ 0.15	≤ 0.25	≤ 0.25
	20	0.17-0.24 dr hab	0.17-0.37 Nws	0.35-0.65 Nws	≤ 0.035	≤ 0.25	≤ 0.25	≤ 0.25
	q345 ua	0.12-0.20 Nws	0.20-0.55 Nws	1.20-1.60 Nws	≤ 0.045	/	/	/

Mechanical Properties

Txuj	Qib	Mechanical Properties
Txuj	Qib	Tensile zog MPa	Yield zog MPa	Elongation%
GB / T8163	10	335-475 : kuv	≥205	≥ 24
	20	410-550 : kuv	≥245	≥ 20
	q345 ua	490-665 : kuv	≥325	≥ 21

Mechanical Property ntawm DIN 17175 St35.8 Seamless Steel Tubes

Txuj	Qib	Tensile zog (MPa)	Yield zog (MPa)	Elongation (%)
TIAB SA 17175	qib 35.8	360-480 : kuv	≥235	≥ 25

Cov txheej txheem thev naus laus zis

Kub dov (extruding seamless steel yeeb nkab): round tube dawb paug → cua sov → tho → peb yob cross dov, nruam dov los yog extrusion → yeeb nkab stripping → sizing (los yog txo) → txias → blank raj → straightening → hydrostatic test (los yog flaw detection) → npav → warehouse.

Cold drawn (dov) seamless steel yeeb nkab: round tube billet → cua sov → perforation → heading → annealing → pickling → roj txheej (tooj liab plating) → multi pass txias drawing (txias dov) → billet → tshav kub kho → straightening → hydrostatic test (qhov tsis zoo nrhiav) → npav → warehousing.

Qhov xwm txheej ntxiv

UT (Ultrasonic kuaj).
AR (Raws li Kub Rolled nkaus xwb).
TMCP (Thermal Mechanical Control Processing).
N (Ntaus).
Q + T (Quenched thiab Tempered).
Z Direction Test (Z15, Z25, Z35).
Charpy V-Notch Impact Test.
Qhov Kev Xeem Thib Peb (xws li SGS Test).
Coated los yog Txhaj Blasting thiab Painting.