X1NiCrMoCuN25-20-7

One of the most outstanding properties of X1NiCrMoCuN25-20-7 alloy is its excellent corrosion resistance to chloride and halide-containing environments. X1NiCrMoCuN25-20-7 is a super austenitic stainless steel that contains 6% molybdenum and improves performance by adding nitrogen. It contains nickel and chromium that make it resistant to corrosion in a wide range of corrosive environments. The alloy has good corrosion resistance to non-oxidizing acids such as sulfuric acid and phosphoric acid. The high molybdenum content and nitrogen make it resistant to pitting and crevice corrosion, and the copper content improves its resistance to sulfuric acid.

X1NiCrMoCuN25-20-7Chemical composition：

	Ni	Fe	Cr	Mo	Au	N	C	Mn	P	S	Si
Min	24.00	Bal	19.00	6.0	0.5	0.15
Max	26.00		21.00	7.0	1.5	0.25	0.020	2.00	0.03	0.01	0.5

X1NiCrMoCuN25-20-7Physical properties：

Density（g/cm3）	8.03
Resistivity(μΩ･cm)	80
Thermal conductivity(W/m･K)	11.5

X1NiCrMoCuN25-20-7Mechanical properties：

densityg/cm3	Thermal conductivity/w/(m.k )100~900 ℃	Resistivity℃)/ (2.mm2 /m)20~90 0℃	Specific heat capacity℃)/kg/( kg.k) C100~90 0℃	Linear expansion coefficient/(10- 6/k)20~9 00℃
7.93	14.20~27 6	0.914~1.2 25		15.37~20. 45
temperature0/℃	20
hardnessHB	248~341

X1NiCrMoCuN25-20-7Alloy properties：

Corrosion Resistance: X1NiCrMoCuN25-20-7 alloy is an all-austenitic alloy with excellent resistance to pitting and crevice corrosion. This aspect of performance is typically expressed in terms of critical pitting temperature (CPT), critical crevice corrosion temperature (CCT), and pitting equivalent coefficient (PREN). X1NiCrMoCuN25-20-7 has excellent corrosion resistance, even in strong acid environments.

High temperature resistance: The presence of nickel allows the material to maintain structural stability and tensile strength at high temperatures, making it suitable for use in high-temperature industrial environments.

Good mechanical properties: high strength, good toughness and strong adaptability.

X1NiCrMoCuN25-20-7Uses of alloys：

X1NiCrMoCuN25-20-7 is a superalloy with extremely high corrosion resistance to a wide range of media, a characteristic that makes it suitable for a wide range of applications.

X1NiCrMoCuN25-20-7Process performance：

Welding process: X1NiCrMoCuN25-20-7 alloy can be easily welded using existing technologies, such as GTAW, GMAW, SMAW, SAW and PAW. The corrosion test after welding showed that the corrosion resistance of the 6% alloy was reduced after self-fusing welding or matching wire welding.

Machining: The machinability of X1NiCrMoCuN25-20-7 is similar to that of other austenitic alloys. The X1NiCrMoCuN25-20-7 alloy should be cut at a lower speed compared to stainless steel, while a more rigid tool should be used with suitable cooling and lubricants.

Relevant standards：

Hot-rolled plate, cold-rolled plate, strip：ASTM B625/ASME SB 625， ASTM A 240/ASME SB 240，ASTM B 480/ASME SB 480 rods, blanks and wires：ASTM B 649/ASME SB 649, ASTM B 472/ASME SB 472

Welded standard pipes：ASTM B 673/ASME SB 673, ASTM B 775/ASME SB 775, ASTM B 804/ASME SB 804 Ordinary welded pipes：ASTM B 674/ASME SB 674, ASTM B 751/ASME SB 751

Seamless tubes：ASTM B 677/ASME SB 677, ASTM B 829/ASME SB 829