Shipment of 21 Tons of 4145H MOD Steel Bar to Dubai Customer

We are delighted to announce that we have successfully shipped 21 tons of 4145H MOD steel bar to our esteemed customer in Dubai. This shipment is part of our continuous effort to provide high-quality products and services to our clients worldwide.

4145H MOD steel is a low alloy steel that contains chromium, molybdenum, and nickel. It has high hardenability, good hardness penetration, and relatively high machinability when heat treated. 4145H MOD steel has better hardenability than 4140 steel due to its additional carbon. It is a through hardening grade that maintains its properties at high temperatures. It is suitable for making parts and components for downhole drilling tools, machinery, equipment, and vehicles.

We thank our customer for choosing us as their supplier of 4145H MOD steel bar. We hope that this shipment will meet their expectations and help them achieve their objectives. We look forward to working with them again in the future.

Description of Goods :  FORGED HOLLOW ROUND BARS

4145H MOD Forged Bar: A Low Alloy Steel with High Hardenability

Steel is one of the most common materials in the world, with applications in various industries, such as construction, transportation, energy, and aerospace. However, not all steel is the same. There are different types of steel with different compositions, properties, and characteristics. One of these types is 4145H MOD steel, a low alloy steel that contains chromium, molybdenum, and nickel. This article will introduce what 4145H MOD steel is, what its advantages are, and how it is used in various industries.

What is 4145H MOD steel?

4145H MOD steel is a low alloy steel that belongs to the AISI-SAE classification system. This system categorizes steels based on their chemical composition and mechanical properties. The first digit of the four-digit number indicates the main alloying element. For example, 9xxx steels are mainly alloyed with nickel. The second digit indicates the percentage of the main alloying element. For example, 93xx steels have about 3% nickel. The last two digits indicate the carbon content. For example, 9310 steel has 0.10% carbon.

The chemical composition of 4145H MOD steel is as follows:

– Carbon: 0.43-0.48%

– Manganese: 0.80-1.20%

– Phosphorus: max 0.025%

– Sulfur: max 0.025%

– Silicon: 0.20-0.35%

– Chromium: 0.85-1.20%

– Nickel: max 0.25%

– Molybdenum: 0.25-0.35%

– Copper: max 0.30%

– Vanadium: max 0.05%

– Aluminum: 0.010-0.035%

The addition of chromium, molybdenum, and nickel improves the hardenability, strength, toughness, and wear resistance of 4145H MOD steel. Hardenability refers to the ability of a steel to form martensite, a hard and brittle microstructure, when quenched from high temperatures. Strength refers to the ability of a steel to resist deformation or fracture under external forces. Toughness refers to the ability of a steel to absorb energy and resist cracking or breaking under impact or shock loading. Wear resistance refers to the ability of a steel to resist abrasion or erosion by friction or contact with other materials.

What are the advantages of 4145H MOD steel?

4145H MOD steel has several advantages over other types of steel, such as:

– High hardenability: 4145H MOD steel can achieve a high hardenability of up to HRC (Rockwell C scale) when heat treated. This means that it can form a hard and uniform microstructure throughout the cross-section of the bar.

– Good hardness penetration: 4145H MOD steel can maintain its hardness at large diameters when heat treated. This means that it can provide consistent performance and quality across different sizes of bars.

– Relatively high machinability: 4145H MOD steel can be easily cut, drilled, turned, milled, or shaped by various machining processes when heat treated. This means that it can be easily formed into desired shapes and sizes with minimal waste or difficulty.

– Good weldability: 4145H MOD steel can be joined by various welding methods, such as arc welding, gas welding, or resistance welding when heat treated. This means that it can be easily combined with other parts or components without compromising its integrity or performance.

– Good corrosion resistance: 4145H MOD steel can resist rusting or deterioration by exposure to air, water, or chemicals when heat treated. This means that it can maintain its appearance and functionality in harsh environments or conditions.

How is 4145H MOD forged bar used?

4145H MOD forged bar has a wide range of applications in various industries, such as:

– Oil and gas: 4145H MOD forged bar is used for making parts and components for downhole drilling tools, such as subs, x-overs, drill collars, pup-joints and fishing tools . These parts and components require high hardenability, strength, toughness, and wear resistance to withstand high temperatures, pressures, and speeds in the oil and gas wells .

– Aerospace: 4145H MOD forged bar is used for making parts and components for aircraft engines, landing gears, propellers, rotors, and turbines. These parts and components require high hardenability, strength, toughness, and fatigue resistance to withstand high temperatures, pressures, and speeds in the aerospace industry.

– Automotive: 4145H MOD forged bar is used for making parts and components for cars, trucks, buses, motorcycles, and bicycles. These parts and components include gears, shafts, axles, bearings, pistons, rings, valves, and camshafts. These parts and components require high hardenability, strength, wear resistance, and corrosion resistance to withstand friction, impact, and wear in the automotive industry.

– Industrial: 4145H MOD forged bar is used for making parts and components for machinery, equipment, tools, and devices. These parts and components include pumps, compressors, turbines, generators, motors, drills, saws,

hammers,

and wrenches. These parts and components require high hardenability,

strength,

toughness,

and machinability

to withstand

stress,

strain,

and vibration in the industrial sector.

Conclusion

4145H MOD forged bar is a low alloy steel that contains chromium, molybdenum, and nickel. It has high hardenability, good hardness penetration, relatively high machinability, good weldability, and good corrosion resistance. It is used for making parts and components for various industries, such as oil and gas, aerospace, automotive, and industrial. 4145H MOD forged bar is a versatile and reliable material that can meet the demands of different applications and environments.