HEAT-RESISTANT STEEL PARTS CASTING
1 .Production process: wax lost process, investment process, EPC process & sand process.
2.We make heat - ressistant steel parts, such as furnace grates, furnace bed plates for cement works, steel mills.
We supply finished heat castings with heat-treated and machined condition if necessary.
3.We can produce heat steel castings as per GB/T20878, DlNl 7440, DlN l 7224, SUH35, NF A35- 572/584, Heat-resistant Steel Casting.
Reference Standard |
Nominal Chemical Composition (W%) |
||||||||
C |
Si |
Mn |
P (Max.) |
S (Max.) |
Cr |
Ni |
Bal. |
||
GX40CrNiSi27-4 |
1.4823 |
0.35-0.50 |
1.0-2.5 |
1.50 |
0.035 |
0.030 |
25.0-28.0 |
3.5-5.5 |
|
GX25CrNiSi18-9 |
1.4825 |
0.15-0.30 |
1.0-2.5 |
1.50 |
0.035 |
0.030 |
17.0-19.0 |
8.0-10.0 |
|
GX40CrNiSi22-9 |
1.4826 |
0.30-0.50 |
1.0-2.5 |
1.50 |
0.035 |
0.030 |
21.0-23.0 |
9.0-11.0 |
|
GX25CrNiSi20-14 |
1.4832 |
0.15-0.30 |
1.0-2.5 |
1.50 |
0.035 |
0.030 |
19.0-21.0 |
13.0-15.0 |
|
GX40CrNiSi25-12 |
1.4837 |
0.30-0.50 |
1.0-2.5 |
1.50 |
0.035 |
0.030 |
24.0-26.0 |
11.0-14.0 |
|
GX40CrNiSi25-20 |
1.4348 |
0.30-0.50 |
1.0-2.5 |
1.50 |
0.035 |
0.030 |
24.0-26.0 |
19.0-21.0 |
|
GX40CrNiSi38-18 |
1.4865 |
0.30-0.50 |
1.0-2.5 |
1.50 |
0.035 |
0.030 |
17.0-19.0 |
36.0-39.0 |
|
GX40CrNiSi35-25 |
1.4857 |
0.30-0.50 |
1.0-2.5 |
1.50 |
0.035 |
0.030 |
24.0-26.0 |
34.0-36.0 |
|
GX30CrNiSiNb24-24 |
1.4855 |
0.25-0.40 |
0.5-2.0 |
1.50 |
0.035 |
0.030 |
23.0-25.0 |
23.0-25.0 |
Nb 1.2-1.8 |
GX40CrNiSiNb38-18 |
1.4849 |
0.30-0.50 |
1.0-2.5 |
1.50 |
0.035 |
0.030 |
17.0-19.0 |
36.0-39.0 |
ND 1.2-1.8 |
GX40CrNiSiNb35-25 |
1.4852 |
0.35-0.45 |
1.0-2.5 |
1.50 |
0.035 |
0.030 |
24.0-26.0 |
33.0-35.0 |
Nb 0.8-1.8 |
G-CoCr28 |
2.4778 |
0.10-0.20 |
1.0-2.5 |
1.50 |
0.035 |
0.030 |
27.0-30.0 |
Co: 18.0-52.0 |
|
G-NiCr28W |
2.4879 |
0.35-0.50 |
0.5-2.0 |
1.50 |
0.035 |
0.030 |
27.0-30.0 |
47.0-50.0 |
w 4.0-5.5 |