Material grade: GH2136 superalloy
1. Overview of GH2136 superalloy:
GH2136 superalloy is an age-hardening iron-based superalloy composed of chromium, nickel, molybdenum and other elements, with a nickel content of about 28%. GH2136 superalloy has good hot and cold working properties, good comprehensive performance when used below 700 °C, stable structure for long-term use, good oxidation resistance, and small linear expansion coefficient, easy to weld and form.
2. Chemical composition of GH2136 superalloy:
C(%):≤0.06
Cr(%):13.0~16.0
Mo(%):1.00~1.75
Ni(%):24.5~28.5
Al(%):≤0.35
Ti(%):2.40~3.20
Fe(%): Balance
Si(%)≤:0.75
Mn(%)≤:0.35
P(%):0.025
S(%):0.025
Others(%):
B0.005~0.025,
V00.1~0.10
3. Physical and mechanical properties of GH2136 superalloy:
1. Tensile strength σb (MPa) of GH2136 superalloy: ≥932
2. Conditional yield strength of GH2136 superalloy σ0.2 (MPa): 687
3. Elongation of GH2136 superalloy δ5 (%): ≥15
4. Section shrinkage rate of GH2136 superalloy ψ (%): ≥20
5. Heat treatment system of GH2136 superalloy: 980ºC for 1h, oil cooling at 720ºC for 16h, air cooling
6. Metallographic structure of GH2136 superalloy: age-hardening iron-based alloy
4. Characteristics and uses of GH2136 superalloy:
GH2136 superalloy is used for die forging of turbine disks for aviation, aerospace and other industries with a diameter of not more than 600mm and a height of 60-150mm.
Five, GH2136 superalloy varieties specifications and supply status:
1. Variety classification: GH2136 seamless pipe, GH2136 welded pipe, GH2136 plate, GH2136 bar, GH2136 forging, GH2136 ring, GH2136 wire and supporting welding materials.
2. Delivery status: seamless pipe: solid solution + acid white, the length can be fixed; plate: solid solution, pickling, trimming; welded pipe: solid solution acid white + RT% flaw detection, forgings: annealing + car polishing; Bars are forged and rolled, surface polished or polished; strips are delivered cold-rolled, solution-softened, and descaled; wire is solid-solution-pickled discs or straight strips, and solution-solution straight strips are finely ground Light state delivery.
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