GB/T 16270 Q620D Low Alloy Steel Plak

Apr 07, 2024 Kite yon mesaj

GB/T 16270 Q620D plak asye ki ba alyaj gen bon fòs, plastisit ak severite, bon soudabilite ak pèfòmans pwosesis cho ak frèt peze, ak bon rezistans korozyon.


Q620D asye se sitou itilize nan envantè de aparèy mekanik ak lòt pati estriktirèl, tankou perçage forage, pèl elektrik, pouvwa-kondwi kamyon min kontwa wou, pwodwi mineral machin, pneu, chajè, elatriye.

 

Lachin GB/T16270 Q620D Low-alyaj segondè-fòs plak asye konpozisyon chimik ak pwopriyete mekanik:

KLAS STEEL C% 25 max Si% max Mn% max P% max S% 25 max Cu% max Cr% max Ni% 25 max Mo % max B % max V % max Nb% max Ti % max
Q620D 0.2 0.80 1.7 0.02 0.010 0.5 1.5 2 0.70 0.005 0.12 0.06 0.05

 

KLAS STEEL Re sede fòs Mpa min Re sede fòs Mpa min elongasyon % Enèji ak tanperati
Min 0 -20 -40 -60
t Mwens pase oswa egal a 50 50-100 100-150 t Mwens pase oswa egal a 50 50-100 100-150 J J J J
Q620D 620 580 560 700-890 700-890 650-830 15 47 47 34 34

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