2.4856

HuaNickel 2.4856 alloy is a solution-strengthened nickel-based alloy with the addition of Mo and Nb elements based on Ni-Cr. Because it has excellent corrosion resistance and excellent heat resistance, it is widely used in complete sets of chemical equipment, waste incineration equipment, etc.

2.4856Chemical composition：

C

Si

Mn

P

S

Ni

Cr

Mo

Al

Ti

Fe

Co

Nb

Min

―

―

―

―

―

58

20

8

―

―

―

―

3.15

Max

0.1

0.5

0.5

0.015

0.015

―

23

10

0.4

0.4

5

1

4.15

2.4856Physical properties：

Density		8.44g/cm3
melting point		1290-1350℃
Specific heat	0°F(-18℃）	402
	70°F(21℃）	410
	200°F(93℃）	427
Curl temperature		-196℃

2.4856Mechanical properties：

Form and conditions	Tensile strength		0.2%Yield strength		Elongation	Area	Brinell hardness
	Ksi	MPa	Ksi	MPa	%	%
Sticks, sticks, plates
Press rolling	120-160	827-1103	60-110	414-758	60-30	60-40	175-240
annealed	120-150	827-1034	60-85	414-666	60-30	60-40	145-220
Solution treatment	105-130	724-869	42-60	290-414	65-40	90-60	116-194
Sheet and strip
annealed	120-150	827-1034	60-90	414-621	55-30	——	145-240
Tubes and tubes, cold drawn
annealed	120-140	827-966	60-75	414-517	55-30	——	——
Solution treatment	100-120	689-827	40-60	276-414	60-40	——	——

2.4856Alloy properties：

Corrosion Resistance: 2.4856 alloy is able to withstand a wide range of intense corrosive environments. 2.4856 is a versatile superalloy with excellent corrosion resistance, mechanical strength at high temperatures, and good processability. Enabling it to play an important role in several industrial sectors, HuaNickel Alloy 625 exhibits excellent corrosion resistance in many media. In moderate environments such as atmosphere, fresh and seawater, neutral salts and alkaline media, corrosion is virtually non-existent. The combination of nickel and chromium provides corrosion resistance to oxidizing media in more intense corrosive environments, while the combination of nickel and molybdenum provides resistance to non-oxidizing media environments.

High-temperature oxidation: INCONEL625 alloy has high resistance to high-temperature oxidation and spalling.

2.4856Uses of alloys：

Chemical equipment, nuclear power plants, marine equipment, jet aircraft engine parts, aircraft materials, heat treatment furnace materials, evaporators, etc

2.4856Process performance：

Welding process:HuaNickel 2.4856 can be easily welded using existing welding processes and procedures.2.4856Welding wire andINCONEL 112The electrode is a series of nickel-chromium-molybdenum products, specially designed to do the best625the alloy itself and welding with other materials. It does not require any post-weld heat treatment to maintain its high strength and ductility.

Heat Treatment Process: Since 2.4856 is a material specifically developed to maintain high temperature properties, it is resistant to plastic deformation in the heat working temperature range. However, it can also be easily thermoformed as long as a sufficiently large capacity device is used.

Relevant standards：

Round bars, slats, wires and forgings: ASTM B 446/ASME SB 446  (round bars and slats), ASTM B 564/ASME SB 564  (forgings), , SAE/AMS 5666 (slats, forgings and forging rings), SAE/AMS 5837  (wire),ISO 9723  (Round bars and slats)ISO 9724 (Wire) ISO 9725 (forgings),

VdTÜV 499 (round bars and slats),, BS 3076NA21  (Round bars and slats) EN 10095  (Round bars, rods and parts)DIN 17752 (round bars and slats), ASME Code Case 1935  (round bars, slats and forgings),, DIN 17754 (forgings), DIN 17753 (wire).

Hot-rolled plates, cold-rolled plates and strips: ASTM B 443/ASTM SB 443(hot-rolled plates, cold-rolled sheets and strips), SAE/AMS 5599 & 5869 & MAM 5599  (hot-rolled sheet, cold-rolled sheet and strip),ISO 6208 ((hot-rolled plates, cold-rolled sheets and strips), VdTÜV 499 ((hot-rolled plates, cold-rolled sheets and strips), BS 3072NA21(hot-rolled, cold-rolled plate) EN 10095((hot-rolled, cold-rolled sheet and strip), DIN 17750  (Hot Rolled & Cold Rolled Sheet & Strip), ASME Code Case 1935.

Conveyor and general purpose pipes:ASTM B 444/B 829 and ASME SB 444/SB 829  (Seamless Tube), ASTM B704/B 751 & ASME SB 704/SB 751  (Welded Pipe) ASTM B705/B 775 & ASME SB 705/SB 775 (welded conveyor pipe), , ISO 6207 ((Tube), SAE/AMS 5581Seamless & Welded (Tube.) VdTÜV 499 ((Tube), BS 3074NA21 (Seamless Tube.)DIN 17751 ((Tube), ASME Code Case 1935.

Other product forms: ASTM B 366/ASME SB 366 ((Tube), ISO 4955A), DIN 17744