Fa'asu'esu'ega o vaila'au
Q275 paʻu uʻamea o se ituaiga o carbon structural steel, malosi maualuga, palasitika lelei ma le tipiina o le faʻatinoga, lelei le faʻaogaina o le uʻamea, vaega laiti e mafai ona tineia ma faʻamalosia, e masani ona faʻaaogaina e gaosia ai vaega e manaʻomia maualuga, e pei o mea faʻaoga ma faʻamau. , sprockets, ki, fa'amau, nati, u'amea vaega mo masini fa'ato'aga, filifili fe'avea'i ma so'oga.
Q275 ipu u'amea mea tutusa: tutusa ma Iapani JIS ituaiga: SS490
Fa'alapotopotoga Fa'ava-o-malo mo Fa'atonuga:
E275A
E fetaui ma le igoa tuai: A5
Su'ega vaila'au (vaega vaega tele) ole Q275 ipu u'amea (%)
C: ≤0.24
Mn: ≤1.5
Si: ≤0.35
S: ≤0.050 (Vaega A)
P: ≤0.045
Q275 ipu uʻamea e masani ona faʻaaogaina e gaosia ai vaega faʻainisinia sili atu ona taua i le fausiaina ma le faʻainisinia alalaupapa, ma e mafai ona suitulaga maualuga maualuga carbon sila. Q215B e tutusa ma Nu. 10-15. Q235B e tutusa ma le 15-20 sila, Q255B e tutusa ma le 25-30 sila, ma Q275B e tutusa. 35-40 uamea.
| O elemene elemene autu o le Q275D |
| C |
Si |
Mn |
P |
S |
| 0.20 |
0.35 |
1.50 |
0.035 |
0.035 |
