Q345 ASTMGr.50 ISOE355CC JISSN400 tsis tshua muaj hlau alloy siab zog qauv seamless steel yeeb nkab

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Q345 seamless yeeb nkab belongs rau qis alloy series - tsis tshua muaj alloy siab zog steel qauv (GB / t1591-1994).Q345A, B, C, D thiab E yog cov qib sawv cev ntawm cov hlau no.Piv nrog rau cov qauv hlau, Q345A muaj qhov zoo ntawm lub zog siab, kev ua haujlwm zoo, kev ua haujlwm ntev, kev siv ntau yam thiab kev lag luam.Nws yog dav siv nyob rau hauv choj, nkoj, boilers, tsheb thiab tseem ceeb cov qauv.

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Q345 yog ib yam ntawm cov hlau tsis tshua muaj hlau uas muaj cov khoom zoo txhua yam, cov khoom kub tsis tshua muaj, zoo plasticity thiab weldability.Nws yog siv rau cov hlab ntsha nruab nrab thiab tsis tshua muaj siab, cov roj tso tsheb hlau luam, tsheb, cranes, mining machinery, fais fab chaw nres tsheb, txuas hniav thiab lwm yam qauv, cov khoom siv kho tshuab, cov khoom siv hauv tsev thiab cov qauv hlau dav dav nyob rau hauv dynamic load.Q345A, Q345B, Q345C, Q345D, Q345E.Qhov laj thawj tseem ceeb yog qhov cuam tshuam qhov kub thiab txias sib txawv.Q345A qib, tsis ua rau muaj kev cuam tshuam;Q345B, 20 ℃ cuam tshuam ntawm chav tsev kub;Q345C, 0 degree cuam tshuam;Q345D yog - 20 degree cuam tshuam;Q345E yog - 40 degree cuam tshuam.Ntawm qhov sib txawv qhov kub thiab txias, qhov cuam tshuam tus nqi sib txawv.Nyob rau hauv lub phaj, nws belongs rau tsawg alloy series.Nyob rau hauv cov ntaub ntawv uas tsis tshua muaj alloy, cov khoom no yog cov feem ntau.Q345 siv los hu ua 16Mn.Vim qhov kev siv ntawm tus qauv, hom steel phaj no tau tso cai rau kev xa nrog qhov tsis zoo siab ntev.

Khoom Parameter

Standerd	GB ASTM ISO daim ntawv pov thawjJIS DIN
Qib steel yeeb nkab	Q345 16MN E355CC E355M Gr.50 SN400 S355JR
Leng	Kub dov (extruded thiab nthuav):3-12 m
Sab nraud	Kub dov: 32-756mm
phab ntsa thickness	2.5-100 hli
Kev Pabcuam	Txiav los yog raws li cov neeg siv khoom xav tau
Ntim Cov Lus Qhia	Npuag ntim / rooj ntoo / ntaub ntawv tsis muaj dej
Cov ntsiab lus ntawm Kev Them Nyiaj	T / TL / C thaum pom
20 feet thawv muaj qhov ntev	Ntev hauv qab 6000mm
40 feet thawv muaj qhov ntev	Ntev hauv qab 12000mm
Cov qauv	Cov qauv pub dawb yog muab tab sis cov khoom thauj yog them los ntawm tus neeg yuav khoom
Min xaj	1 Tuj

Khoom Qhia

Kev Pabcuam

Qhov zoo

Peb lub tuam txhab muaj ntau cov khoom muag, tuaj yeem ua tau raws li koj xav tau hauv lub sijhawm.

muab cov ntaub ntawv tseem ceeb hauv lub sijhawm raws li tus neeg siv khoom xav tau los xyuas kom muaj nuj nqis thiab cov khoom zoo.

Kev cia siab rau lub teb chaws lub lag luam steel loj tshaj plaws, ib-nres nrog tag nrho cov khoom koj xav tau kom txuag nqi rau koj.

Tshuaj muaj pes tsawg leeg

Q345A: C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.035,S≤0.035;

Q345B: C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.035,S≤0.035;

Q345C: C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.030,S≤0.030,Al≥0.015;

Q345D: C≤0.18,Mn ≤1.70,Si≤0.50,P≤0.030,S≤0.025,Al≥0.015;

Q345E: C≤0.18,Mn ≤1.70,Si≤0.50,P≤0.025,S≤0.020,Al≥0.015;

Q345A,B,C,D,E均含Nb≤0.07,V≤0.15,Ti≤0.20,Cr≤0.30,Ni≤0.012,Mo≤0.10.

Khoom siv

Q345 yog ib yam ntawm cov hlau tsis tshua muaj hlau uas muaj cov khoom siv zoo, cov khoom kub tsis tshua muaj, zoo plasticity thiab weldability.Nws yog siv rau cov hlab ntsha nruab nrab thiab tsis tshua muaj siab, cov roj tso tsheb hlau luam, tsheb, cranes, mining machinery, fais fab chaw nres tsheb, txuas hniav thiab lwm yam qauv, cov khoom siv kho tshuab, cov khoom siv hauv tsev thiab cov khoom siv hlau dav dav nyob rau hauv dynamic load.