GH5188 Powder

GH5188 is a W-strengthened diamond-based high-temperature alloy. GH5188 has good mechanical properties and excellent high temperature oxidation resistance. It is suitable for aviation parts that require tensile strength below 980°C and oxidation resistance below 1100°C.

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Physical Properties

Size range	Size distribution			Hall flow rate	Bulk density	Tap density
	D10(μm)	D50(μm)	D90(μm)
15-53μm	17-22	32-38	52-58	≤18s/50g	≥4.80g/cm³	≥5.40g/cm³

Heat Treatment Recommendations

Solid solution treatment:1180±20°C/1h/AC

Mechanical Behavior

Test temperature	Tensile strength (σb/Mpa)	Yield strength (σp0.2/Mpa)	Elongation (δ5/%)
25℃	900	400	≥45
650℃	650	280	≥50
900℃	300	240	≥50
950℃	200	170	≥50
1000℃	160	130	≥50

Chemical Composition Range (Wt,-%)

Element	C	Cr	Ni	Co	W	Fe
wt％	0.05-0.15	20.00-24.00	20.00-24.00	Bal	13.00-16.00	≤3.00
Element	B	La	Mn	Si	P	S
wt％	≤0.015	0.03-0.12	≤1.25	0.20-0.50	≤0.02	≤0.015
Element	Cu	O	N	–	–	–
wt％	≤0.07	≤0.025	≤0.015	–	–	–

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