| Application: | Industrial |
|---|---|
| Standard: | GB, ASTM |
| Purity: | >99.5% |
| Alloy: | Alloy |
| Powder: | Not Powder |
| Transport Package: | Wooden |
| Customization: |
|---|
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Audited Supplier GH5188
1. Introduction of GH5188:
GH5188 is a Co-Ni-Cr-based solid-solution-strengthened deformed superalloy with a service temperature of less than 1100 degrees Celsius. The alloy is solid solution strengthened by adding W, so that the alloy has good comprehensive properties, and a high content of chromium and trace lanthanum is added to make the alloy have good high temperature performance. The alloy has good process properties such as cold and hot working plasticity and welding.
2. GH5188 application and features:
GH5188 has been used to make high temperature components such as aero-engine combustion chamber barrels and guide vanes.
3. GH5188 similar grades:
High temperature new name: GH5188
High temperature old name: GH188
American Standard ASTM: N0188
American Standard UNS, SAE: R30188 /Haynes188
4, the chemical composition of GH5188:
Carbon C: 0.05-0.15
Silicon Si: 0.2-0.5
Manganese Mn: ≤1.25
Phosphorus P: ≤0.02
Sulfur S: ≤0.015
Chromium Cr: 20-24
Nickel Ni: 20~24
Lanthanum La: 0.03-0.12
Nitrogen N: ~
Copper Cu: ≤0.07
Iron Fe: ≤3.00
Niobium Nb: ~
Boron B: ≤0.015
Titanium Ti: ~
Aluminum Al: ~
Vanadium V: ~
Tungsten W: 13-16
Cobalt Co: Yu
Five, GH5188 material specifications:
Hot rolled bar 10~100mm, forged bar: 100mm~350mm, cold rolled sheet 0.05mm-4.0mm, hot rolled plate: 4mm~14mm, with 2mm-10mm, forging rings of various sizes and specifications, individual grades in stock vary.
Six, GH5188 physical properties:
Density g/cm³: 9.09
Magnetic: none
200~900ºC thermal conductivity/w/(m.k): 12.23-29.06
20~900ºCresistivityºC)/(Ω.mm2/m): 1.051-1.213
100~900°C specific heat capacity°C)/kg/(kg.k)°C: 208-588
20~900ºC Linear expansion coefficient/(10-6/k): 15.7
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20ºC elastic modulus E/GPa: 237
100°C elastic modulus E/GPa: 234
200ºC Elastic Modulus E/GPa: 227
300ºC Elastic Modulus E/GPa: 221
400ºC Elastic Modulus E/GPa: 213
Seven, GH5188 mechanical properties:
Variety: Hot Rolled Rod (Temperature: 20°C)
Heat Treatment: Standard Heat Treatment
Tensile strength Σb\MPa: ≥860
Elongation A/%: ≥45
Section shrinkage Z/%≥:~
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Variety: Cold Rolled Sheet (Temperature: 20°C)
Heat Treatment: Standard Heat Treatment
Tensile strength Σb\MPa: 860
Elongation A/%: 45
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Variety: Cold Rolled Sheet 650 (Temperature: 650°C)
Heat Treatment: Standard Heat Treatment
Tensile strength Σb\MPa: 620
Elongation A/%: 45
Seven, GH5188 processing and welding performance:
GH5188 alloy has good welding performance, and various welding processes can be used. Among them, the welding effect of argon arc welding is good, and the joint strength and plasticity decrease less.
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