ThePipingMart Blog Grades Jethete M-152 Steel – Composition, Properties and Uses

Jethete M-152 Steel – Composition, Properties and Uses

Jethete M152

Jethete M152 is a high-performance stainless steel alloy with excellent mechanical properties and corrosion resistance. This alloy has been extensively used in the aerospace industry due to the unique properties that make it stand out from other stainless steel alloys. In this blog, we will dive into the details of Jethete M152, its composition, mechanical properties, physical properties, uses, corrosion resistance, heat treatment, machining, and welding. So, let’s get started and learn all about Jethete M152!


What is Jethete M152?

Jethete M152 is a precipitation-hardenable martensitic stainless steel designed for improved toughness and fatigue strength. It offers excellent corrosion resistance in a high chloride environment, good weldability, and machinability even at low temperatures. It is commonly used for springs, gears, shafts, fasteners and other components exposed to corrosive environments.

Jethete M152 Composition

Jethete M152 is a martensitic stainless steel alloy comprising Chromium, Nickel, Molybdenum, and Vanadium. Its chemical composition comprises 15% Chromium, 4% Nickel, 1% Molybdenum, 0.5% Vanadium, and 0.1% Carbon. This alloy’s unique composition helps it to maintain its strength and toughness at high temperatures and resist corrosion even in the most challenging environments.

Element Min (%) Max (%)
Carbon, C 0.08 0.13
Manganese, Mn 0.50 0.90
Silicon, Si 0.35
Sulfur, S 0.025
Phosphorus, P 0.030
Chromium, Cr 11 12.50
Nitrogen, N 0.02 0.04
Nickel, Ni 2 3
Molybdenum, Mo 1.50 2.00
Vanadium, V 0.25 0.40
Iron, Fe *Balance

Jethete M152 Mechanical Properties

Jethete M152 possess remarkable mechanical properties that make it ideal for high-performance applications where other stainless steel alloys fail. This alloy has a tensile strength of 190 ksi, yield strength of 152 ksi, and an elongation of 14%. It also has high fatigue strength and good ductility, which makes it an excellent choice for structural applications.

Property Value
Tensile Strength, min 135 ksi
Yield Strength at 0.2% Offset, min 110 ksi
Elongation in 4D, min 17%
Reduction of Area, min 30%
Impact Strength 120 J/CM2
Hardness, Brinell 326
Hardness, Rockwell C 35
Hardness, Knoop 354

Jethete M152 Physical Properties

Jethete M152 has a density of 7.7 g/cm³, a thermal conductivity of 37 W/m.K, and a specific heat capacity of 480 J/kgK. It exhibits excellent resistance to oxidation, erosion, and wear, which makes it an ideal alloy for high-temperature applications that require excellent mechanical and physical properties.

Physical Properties Imperial Metric
Density 0.28 lb/in³ 7.75 g/cc

Jethete M152 Uses

Jethete M152 is primarily used in high-temperature and high-performance applications where other stainless steel alloys can’t perform. It is extensively used in the aerospace and defence industry to manufacture engine components like bearings, compressor blades, turbines, and valve stems. This alloy is also used in the oil and gas industry to manufacture petrochemical equipment.

Jethete M152 Corrosion Resistance

Jethete M152 exhibits excellent corrosion resistance in both acidic and alkaline environments. It is highly resistant to pitting, crevice corrosion, and stress corrosion cracking. This alloy’s high resistance to corrosion and oxidation makes it an ideal choice for harsh and challenging environments where other alloys would fail.

Jethete M152 Heat Treatment

Jethete M152 can be hardened and tempered using methods like quenching or annealing. The heat treatment of Jethete M152 helps to improve its mechanical properties and resistance to corrosion. This alloy exhibits excellent toughness, strength, and ductility upon heat treatment.

Jethete M152 Machining

Jethete M152 is difficult to machine due to its high strength and toughness. However, it can be easily machined with the right cutting tools and machining techniques. This alloy can be drilled, turned, milled, and cut using high-speed cutting tools and techniques like dry machining, coolant injection, and carbide tools.

Jethete M152 Welding

Jethete M152 can be welded using common welding methods like TIG, MIG, and spot welding. However, it requires preheat treatment to avoid the formation of cracks and ensure the welded joint is strong and robust. Welded joints are generally annealed to improve the alloy’s hardness, toughness, and ductility.



Jethete M152 is a high-performance stainless steel alloy with remarkable mechanical and physical properties. Its unique properties make it an ideal alloy for high-temperature and high-performance applications where other stainless steel alloys can’t perform. It exhibits excellent corrosion resistance, heat treatment, and machining properties, which makes it an ideal choice for harsh environments like aerospace, defence, and the oil and gas industry. So, if you’re looking for an alloy that can withstand the toughest conditions, Jethete M152 is the right choice!

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