Katta zaxira fabrikasi yaxshi narx Xitoy ta'minoti Q195 Q235 Q235A Q235B ASTM A36 issiq haddelenmiş po'lat plitalar Yumshoq plastinka Karbonli po'lat plitalar

Q235 ning kimyoviy tarkibi qanday?

A:

C: 0,14–0,22% (A/B); 0,18% dan kam yoki unga teng (C); 0,17% dan kam yoki unga teng (D)

Mn: 0.35–0.80%

Si: 0,30% dan kam yoki unga teng

S: 0,045% dan kam yoki unga teng (A/B); 0,040% dan kam yoki unga teng (C); 0,035% dan kam yoki unga teng (D)

P: 0,045% dan kam yoki unga teng (A/B); 0,040% dan kam yoki unga teng (C); 0,035% dan kam yoki unga teng (D)

7. Q235 ning oqish kuchi qanday?

A:

16 mm dan kam yoki unga teng:235 MPa dan katta yoki unga teng

16–40 mm:225 MPa dan katta yoki unga teng

40-60 mm:215 MPa dan katta yoki unga teng

8. Q235 ning kuchlanish kuchi qanday?

A: 375–500 MPa.

9. Q235 ning cho’zilishi nimaga teng?

A: 26% dan katta yoki unga teng (16 mm dan kam yoki teng); 25% dan katta yoki teng (16–40 mm).

10. Q235 ning zarba energiyasi qanday?

A: dan katta yoki teng27 J(V-cho'qqi, B/C/D darajalari).