Q345R Txais tus qauv: GB / T 713 Standard Specification rau boiler thiab siab lub hom phiaj, kev xaav mob thiab tsis alloy, alloy steels nrog rau qhov kub thiab txias zog.
Q345R Tshuaj muaj pes tsawg leeg% ntawm cov khoom tsom xam ntawm qib
|
Qib |
C % |
Si% |
Mn% |
Cu% |
Ni% |
Cr% |
Mo% |
V % |
|
Q345R |
0.20 |
0.55 |
1.2-1.7 |
0.30 |
0.30 |
0.30 |
0.08 |
0.050 |
|
Ti % |
Alt% |
P % |
S % |
Nb |
|
|
|
|
|
0.030 |
0.020 |
0.025 |
0.010 |
0.050 |
|
|
|
Q345R Steel Phaj Kub Txwv Vim Phaj Thickness:
Hlau phaj thickness ＜6mm: tsis muaj qhov cuam tshuam, siv qhov ntsuas kub qis dua yog - 20℃.
Hlau phaj thickness 6 ~ 20 hli: cuam tshuam kev ntsuas ntawm 0 degree, kub qis qis yog - 20℃.
Hlau phaj thickness 20 ~ 25 hli, cuam tshuam kev ntsuas ntawm 0 degree, kub qis qis yog - 10℃.
Hlau phaj thickness 25 ~ 200 hli, cuam tshuam kev ntsuas ntawm 0 degree, kub qis qis yog 0 degree.
Hlau phaj thickness> 20 ~ 30 hli kub dov steel phaj thickness tswj dov lub xeev; muab daim ntawv cog lus lav - 20℃cuam tshuam kev ntsuas, ntsuas kub rau - 20℃.
Hlau phaj thickness> 20 ~ 200 hli, normalizing lub xeev; muab daim ntawv cog lus lav - 20℃, kub qis qis yog - 20℃.
Cim npe nrov: low- alloy q345r siab nkoj steel, Tuam Tshoj qis- alloy q345r siab nkoj steel manufacturers, lwm tus neeg, Hoobkas
