SA573Gr65 steel phaj
cov khoom siv thev naus laus zis
SA573Gr65 steel phaj nthuav dav qhia
A573Gr65/70/75 steel phaj qib hais tias:
"A": American standard thawv board;
"573": qhia tias lub zog ntawm cov hlau phaj yog 573, chav tsev yog MPa;
"Gr65/70/75" : qhia cov qib ntawm cov hlau phaj "Gr" yog cov ntawv luv ntawm GRADE, qhia txog qib ntawm cov hlau phaj.
A573Gr65 steel phaj hardness
Lub hardness ntawm A573Gr65 steel phaj qhia lub peev xwm ntawm cov khoom los tiv thaiv cov khoom tawv raug nias rau hauv nws qhov chaw. Nws yog ib qho tseem ceeb ntawm kev ua tau zoo ntawm cov khoom siv hlau. Feem ntau, qhov siab dua qhov hardness, qhov zoo dua qhov hnav tsis kam. Feem ntau siv hardness ntsuas yog Brinell hardness, Rockwell hardness thiab Vickers hardness.
Cov tshuaj muaj pes tsawg leeg ntawm A573Gr65 steel phaj yog raws li nram no
C:0.26-0.28
Si:015-0.40
Mn:080-1.20
P: Tsawg dua lossis sib npaug rau 0.035
S: Tsawg dua lossis sib npaug rau 0.035
Cu: Tsawg dua lossis sib npaug rau 0.40
Ni: Tsawg dua lossis sib npaug rau 0.40
Cr: Tsawg dua lossis sib npaug rau 0.30
Mo: Tsawg dua lossis sib npaug rau 0.12
