Detail Information
|
Item |
600 |
601 |
617 |
625 |
690 |
718 |
X750 |
825 |
|
C |
≤0.15 |
≤0.1 |
0.05-0.15 |
≤0.1 |
≤0.05 |
≤0.08 |
≤0.08 |
≤0.05 |
|
Mn |
≤1 |
≤1.5 |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.35 |
≤1 |
≤1 |
|
Fe |
6-10 |
rest |
≤3 |
rest |
7-11 |
rest |
5-9 |
≥22 |
|
P |
≤0.015 |
≤0.02 |
≤0.015 |
-- |
-- |
-- |
-- |
-- |
|
S |
≤0.015 |
≤0.015 |
≤0.015 |
≤0.015 |
≤0.015 |
≤0.01 |
≤0.01 |
≤0.03 |
|
Si |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.35 |
≤0.5 |
≤0.5 |
|
Cu |
≤0.5 |
≤1 |
-- |
≤0.3 |
≤0.5 |
≤0.3 |
≤0.5 |
1.5-3 |
|
Ni |
≥72 |
58-63 |
≥44.5 |
50-55 |
≥58 |
50-55 |
≥70 |
38-46 |
|
Co |
-- |
-- |
10-15 |
≤10 |
-- |
≤1 |
≤1 |
-- |
|
Al |
-- |
1-1.7 |
0.8-1.5 |
≤0.8 |
-- |
0.2-0.8 |
0.4-1 |
≤0.2 |
|
Ti |
-- |
-- |
≤0.6 |
≤1.15 |
-- |
-- |
2.25-2.75 |
0.6-1.2 |
|
Cr |
14-17 |
21-25 |
20-24 |
17-21 |
27-31 |
17-21 |
14-17 |
19.5-23.5 |
|
Nb+Ta |
-- |
-- |
-- |
4.75-5.5 |
-- |
4.75-5.5 |
0.7-1.2 |
-- |
|
Mo |
-- |
-- |
8-10 |
2.8-3.3 |
-- |
2.8-3.3 |
-- |
2.5-3.5 |
|
B |
-- |
-- |
≤0.006 |
-- |
-- |
-- |
-- |
-- |
Chemical composition
| Nickel (Ni) | 44.5-56.0 |
| Chromium (Cr) | 20.0-24.0 |
| Cobalt (Co) | 10.0-15.0 |
| Molybdenum (Mo) | 8.0-10.0 |
| Iron (Fe) | Up to 3.0 |
| Aluminum (Al) | 0.4-1.0 |
| Titanium (Ti) | 0.6-1.4 |
| Manganese (Mn) | max 0.5 |
| Silicon (Si) | max 0.5 |
| Carbon (C) | 0.05-0.15 |
| Phosphorus(P) | max 0.015 |
| Sulfur(S) | max 0.015 |
Mechanical properties
| Tensile strength | min. 760 MPa (110 ksi) |
| Yield Strength (0.2% offset) | min. 350 MPa (51 ksi) |
| elongation | 30 minutes |
| Hardness (Brinell) | 241 max. (annealed) |
| density | 8.42 g/cm³ |
Standard
| ASTM B166 | Rods, rods and wires |
| ASTM B168 | Sheets, plates and strips |
| ASTM B167 | Seamless tubing |
| ASTM B517 | Welded pipes |
| ASTM B516 | Welded pipes |
| ASTM B564 | forging |
| ASTM B366 | fittings |
Applications
- Aerospace: gas turbine components, combustion bushings, and transition piping.
- Power generation: High-temperature components in gas turbines, heat exchangers, and reformer piping.
- Petrochemical: catalyst tubes, radiant coils and furnace fixtures in ethylene production.
- Chemical processing: Equipment that handles corrosive chemicals, such as nitric acid and sulfuric acid.
- Reactor cores, fuel assembly cladding, and heat exchanger lines in nuclear power plants.
Supplier Information
Chengdu Derbo Steel Co.,Ltd
Verified Supplier
Room 3908, Block 1 Park View Plaza, No.530 Tianfu Avenue, Chengdu, China
Est. 1990
Certifications:
ISO 9001
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