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In addition to iron, carbon and a small amount of unavoidable silicon, manganese, phosphorus and sulfur elements, steel also contains a certain amount of alloying elements. Alloying elements in steel include one or more of silicon, manganese, molybdenum, nickel, alum, titanium, niobium, boron, lead, rare earth, etc. This kind of steel is called special alloy steel. Nickel-based alloy is a special alloy steel. This page mainly introduces the basic information of three kinds of nickel plates including Incoloy 800, Incoloy 800H and Incoloy 825.
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Comparison of corresponding grades of Chinese and foreign nickel plate standards |
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Alloy Grade |
GB |
ASTM |
EN |
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NS1101 |
0Cr20Ni32AlTi NS111 |
N08800 (Incoloy 800) |
1.4876 |
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NS1102 |
1Cr20Ni32AlTi NS112 |
N08810 (Incoloy 800H) |
- |
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NS1402 |
0Cr21Ni42Mo3Cu2Ti NS142 |
N08825 (Incoloy 825) |
NiCr21Mo 2.4858 |
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Chemical Composition of Nickel plate |
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Alloy Grade |
Chemical composition (mass fraction) % |
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C |
Cr |
Ni |
Fe |
Mo |
Cu |
Al |
Ti |
Si |
Mn |
P |
S |
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N08800 (Incoloy 800) |
≤0.10 |
19.0~23.0 |
30.0~35.0 |
≥39.5 |
- |
≤0.75 |
0.15~0.60 |
0.15~0.60 |
≤1.00 |
≤1.50 |
≤0.030 |
≤0.015 |
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N08810 (Incoloy 800H) |
0.05~0.10 |
19.0~23.0 |
30.0~35.0 |
≥39.5 |
- |
≤0.75 |
0.15~0.60 |
0.15~0.60 |
≤1.00 |
≤1.50 |
≤0.030 |
≤0.015 |
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N08825 (Incoloy 825) |
≤0.05 |
19.5~23.5 |
38.0~46.0 |
≥22.0 |
2.5~3.5 |
1.5~3.0 |
≤0.20 |
0.60~1.20 |
≤0.50 |
≤1.00 |
≤0.030 |
≤0.030 |
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Mechanical properties of nickel plate |
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Grade |
State |
Thickness mm |
Mechanical properties at room temperature(≥) |
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Tensile strength Rm/MPa |
Yield Strength RP0.2/MPa |
Elongation after break A50mm/% |
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N08800 (Incoloy 800) |
R |
all specifications |
550 |
240 |
25 |
|
M |
520 |
205 |
30 |
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N08810 (Incoloy 800H) |
M |
all specifications |
450 |
170 |
30 |
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N08825 (Incoloy 825) |
M |
all specifications |
586 |
241 |
30 |
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Average grain size of nickel plate annealed products |
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Grade |
Width |
Thickness/mm |
Average Grain Size |
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N08800 (Incoloy 800) |
- |
all thicknesses |
Grade 5 or coarser |
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N08810 (Incoloy 800H) |
- |
all thicknesses |
Grade 5 or coarser |
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Types, manufacturing methods, grades and states of nickel plate |
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Grade |
Manufacturing method |
State |
Specifications/mm |
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Rectangular sheet (thickness x width x length) |
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NS1101(N08800) NS1102(N08810) NS1402(N08825) |
cold rolled |
Hot working state (R) Soft state (M) Solution annealed state (ST) |
(4.1~100.0) X(50~3000) X(500~4500) |
|
hot rolled |
Cold working state (Y) Semi-hard state (Y2) Soft state (M) Solution annealed state (ST) |
(0.1~4.0) X(50~1500) X(500~4500) |
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Dimensions and tolerances of hot rolled nickel plate(mm) |
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Thickness |
Permissible deviation of thickness in specified width range |
Width tolerance |
Length tolerance |
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50~1000 |
＞1000~3000 |
50~1000 |
＞1000~3000 |
≤3000 |
＞3000~4500 |
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4.1~6.0 |
±0.35 |
±0.40 |
±4 |
+7 -5 |
±5 |
+10 -5 |
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＞6.0~8.0 |
±0.40 |
±0.50 |
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＞8.0~10.0 |
±0.50 |
±0.60 |
±6 |
+10 -5 |
+10 -5 |
+15 -5 |
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＞10.0~15.0 |
±0.60 |
±0.70 |
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＞15.0~20.0 |
±0.70 |
±0.90 |
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＞20.0~30.0 |
±0.90 |
±1.10 |
±8 |
+13 -5 |
+15 -5 |
+20 -5 |
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＞30.0~40.0 |
±1.10 |
±1.30 |
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＞40.0~50.0 |
±1.20 |
±1.50 |
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＞50.0~80.0 |
±1.40 |
±1.70 |
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＞80.0~100.0 |
±1.60 |
±1.90 |
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Dimensions and allowable deviation of cold rolled nickel plate(mm) |
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Thickness |
Permissible deviation of thickness in specified width range |
Width tolerance |
Length tolerance |
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50~600 |
＞600~1500 |
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0.1~0.3 |
±0.03 |
- |
±5 |
+10 -5 |
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＞0.3~0.5 |
±0.04 |
±0.05 |
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＞0.5~0.7 |
±0.05 |
±0.07 |
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＞0.7~1.0 |
±0.07 |
±0.09 |
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＞1.0~1.5 |
±0.09 |
±0.11 |
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＞1.5~2.5 |
±0.11 |
±0.13 |
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＞2.5~4.0 |
±0.13 |
±0.15 |
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For nickel plates used in vacuum devices, the dimensions and their allowable deviations can be determined through negotiation between the supplier and the purchaser. |
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Applications:
- Incoloy 800 sheet has good oxidation resistance, medium corrosion resistance and high temperature carburization resistance. Incoloy 800 plate is suitable for chemical, petrochemical and food processing, nuclear engineering, used as heat exchanger and steam generator tubes, synthetic fiber heating tubes and electric heating element sheaths.
- Incoloy 800H sheet has the properties of anti-oxidative medium corrosion, high temperature carburizing resistance and high thermal strength.Incoloy 800H plate is suitable for polysilicon cold hydrogenation reactors, heaters and heat exchangers such as heating tubes, furnace tubes and heat-resistant components in synthetic fiber engineering.
- Incoloy 825 plate is resistant to oxide stress corrosion and oxidation-reduction composite medium corrosion. Incoloy 825 sheet is suitable for heat exchangers and condensers, sulfuric acid environments containing various ions; composite pipe linings for oil and gas gathering and transportation pipelines; high-pressure air coolers.
