H03204

H03204 alloy, also known as NS3204 or Hastelloy B-4, is a high-temperature corrosion-resistant alloy with excellent properties. It has good wear resistance and fatigue resistance. It has been widely used in the fields of chemical industry, petroleum, marine, electric power, aerospace and nuclear industry.

H03204Chemical composition：

	Ni	Cr	Fe	Mo	AI	C	Si	Mn
Min	Bal	0.5	1	26	0.1	≤
Max		1.5	6	30	0.5	0.01	0.05	1.5

H03204Physical properties：

Density	Melting point
9.22g/cm³	1370-1418℃

H03204Mechanical properties：

Material Specifications:	temperature	σb/MPa	σP0.2/MPa	A(51mm)%	Z/%
3.2mmAnnealing plates	room temperature	860	420	53.4	–
6.4mmMedium plates, thick plates	room temperature	885	400	57.8	67.5

H03204Alloy properties：

H03204 alloy is able to maintain stable performance under a wide range of harsh environmental conditions. The thermal stability of H03204 alloy is significantly improved, which overcomes the brittle crack tendency during processing and manufacturing, and improves the resistance to intergranular corrosion and stress corrosion.

H03204Uses of alloys：

It has a wide range of applications in the fields of chemistry, petrochemical, energy manufacturing and pollution control, especially in sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid and other industries with strict welding requirements.

H03204Process performance：

Welding performance: NS3204 has good forming and welding properties.

Heat Treatment: NS3204 is supplied in solution annealed condition. The annealing temperature is 1065°C, and it is quickly quenched after heat preservation. The bright annealing temperature of the sheets and wires in rolls is 1150°C and the cooling method is hydrogen-cooled.

Relevant standards：

GB/T15008、GB/T15009、GB/T15010、GB/T15012、GB/T15062