Incoloy 825 Valve Seat Rings (UNS N08825, 2.4858, Alloy 825)

• Processing Object: Metal
• Molding Style: Forging
• Molding Technics: Forging
• Application: Machinery Parts
• Material: SS
• Heat Treatment: Quenching
• Model NO.: Incoloy 825
• Surface Treatment: Polishing
• Forging Tolerance: +/-0.5mm
• Standard: AISI
• Certification: SGS
• Material Grade of Valve Seat Rings: 15-5pH
• Transport Package: Plywooden Case
• Specification: CE
• Trademark: jj11
• Origin: China
• HS Code: 722840000
• Production Capacity: 5000 Tons/Year

Product Description

We are professional Incoloy 825 Valve Seat Rings(UNS N08825, 2.4858, Alloy 825) from china


Incoloy 825 Specifications 
 

Grade	UNS	W.Nr
Incoloy 825	N08825	2.4858

 
Incoloy 825 Chemical composition
 

Grade	%	Ni	Cr	Fe	C	Mn	Si	Cu	Mo	Al	Ti	P	S
825	Min	38	19.5	Bal.				1.5	2.5		0.6
	Max	46	23.5		0.05	1	0.5	3	3.5	0.2	1.2	0.03	0.03

 
Incoloy 825 Mechanical properties:(Minimum value at 20°C)
 

Tensile Strength σb/MPa	Yield Strength σp0.2/MPa	Elongation σ5 /%
550	220	30

 
Incoloy 825 Standard
 

Bar	Forging	Sheet/Strip	Wire	Pipe
ASTM B408	ASTM B564	ASTM B409	ASTM B408	ASTM B407 ASTM B514

 
Incoloy 825 characteristics:
Excellent resistance to reducing and oxidizing acids
Good resistance to stress-corrosion cracking
Satisfactory resistance to localized attack like pitting and crevice corrosion
Very resistant to sulfuric and phosphoric acids
Good mechanical properties at both room and elevated temperatures up to approximately 1020° F
Permission for pressure-vessel use at wall temperatures up to 800°F
Incoloy 825 Corrosion Resistance
 
Alloy 825 has a high level of corrosion resistance. It resists general corrosion, pitting, crevice corrosion, intergranular
corrosion, and stress-corrosion cracking in both reducing and oxidizing environments.