grey iron-d88尊龙官方平台

grey iron
1. the chemical composition data in the table for reference only.
2. the mechanical properties comes from the sample taken
from round 1/4 diameter, rectangle & square from 1/4 diagonals.
3. customized size and grade upon your request .
grade
en-gjl-200
en-gjl-250
en-gjl-300
gg20
gg25
gg30
fc200
fc250
fc300
chemical compostition(%)
si
2.2~2.8
2.2~2.6
2.2~2.6
mn
0.3~0.5
0.5~0.8
0.6~1.2
p
≤0.15
≤0.15
≤0.15
s
≤0.12
≤0.12
≤0.1
c
2.8~3.8
2.8~3.8
2.8~3.8
mechanical
propenrties
yield strength



mpa tensile strength
≥180
≥220
≥260
elongation%



hardness hb
150~180
170~220
190~240
shape/size
round
φ18mm~φ600mm
square
□25mm×25mm~□900mm×900mm
rectangle
30mm×40mm~360mm×470mm
semi-round
r30mm~r180mm
related recommendations
nodular iron qt450-10
nodular iron qt500-7
nodular iron qt550-6
nodular iron qt600-3
网站地图