Stainless Steel 422 Stud Bolts

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Stainless Steel 422 Stud Bolts Manufacturer and Supplier in Hamilton, New Zealand

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Stainless Steel 422 Stud Bolts are high-strength, hardenable stainless steel fasteners engineered for demanding applications where exceptional corrosion resistance, wear resistance, and high-temperature performance are required. Designed to maintain structural integrity under heavy loads and thermal cycling, these stud bolts provide reliable fastening solutions in harsh industrial and mechanical environments. Their precise manufacturing ensures consistent threading and dimensional accuracy, making them ideal for assemblies that require secure and long-lasting connections. Stainless Steel 422 Stud Bolts are widely used where durability, toughness, and performance in extreme conditions are critical.

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Stainless Steel 422 Stud Bolts are composed of iron, chromium (12–14%), nickel, molybdenum, tungsten, and carbon. This chemical composition enhances hardenability, tensile strength, and oxidation resistance. Mechanically, they exhibit high tensile and yield strength, excellent hardness, and resistance to wear, even at elevated temperatures up to 650°C (1200°F). The martensitic microstructure provides superior toughness and fatigue resistance, ensuring reliability in demanding environments. These properties make Stainless Steel 422 Stud Bolts ideal for high-stress, high-temperature, and corrosion-prone applications.

Stainless steel 422 Stud Bolts Chemical Composition

Element	min	max
Carbon, C	0.20	0.25
Manganese, Mn	0.20	0.60
Silicon, Si	—	1.0
Sulfur, S	—	0.030
Phosphorus, P	—	0.040
Chromium, Cr	11	13.50
Tungsten, W	0.75	1.25
Nickel, Ni	0.50	1.00
Vanadium, V	0.17	0.30
Copper, Cu	—	0.50
Iron, Fe	—	*Balance

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Stainless steel 422 Stud Bolts Mechanical Properties

Property	Imperial	Metric
Density	0.28 lb/in³	7.75 g/cc
Tensile Strength	140 ksi	965 MPa
Yield Strength at 0.2% Offset	115 ksi	793 MPa
Modulus of Elasticity	190 – 210 GPa	27557 – 30458 ksi
Poisson’s Ration	0.27 – 0.30	0.27 – 0.30
Elongation in 4D	13%	13%
Reduction of Area	25%	25%
Hardness, Rockwell B	95 max	95 max

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Stainless steel 422 stud bolts are widely used in various industries due to their high strength and durability. In the aerospace industry, it is used in turbine engines and building materials due to its excellent resistance to heat and corrosion. In electricity generation, it is used in steam and gas turbines. Furthermore, these bolts are used in industrial machinery, marine applications and medical devices, where they can withstand extreme temperatures and harsh environmental conditions, making them workable reliable and durable

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Types of Stainless Steel 422 Stud Bolts

Stainless Steel 422 Stud Bolts are extensively used in industries requiring strong, heat-resistant fastening solutions. They find applications in gas turbines, power plants, petrochemical equipment, steam generators, and aerospace components where high strength and thermal stability are essential. Additionally, they are employed in high-pressure machinery, automotive engines, and industrial furnaces, providing secure connections that withstand mechanical and thermal stress. The combination of corrosion resistance, hardness, and reliability makes Stainless Steel 422 Stud Bolts a preferred choice for critical, high-stress, and high-temperature applications.