42CrMo;SCM440;ASTM4140;42CrMo4;1.7225
10mm~400mm
10mm-12000mm
Alloy structural steel
AiSi, ASTM, Bs, DIN, GB, JIS
Round
30% TT in advance, 70% TT /70% LC at sight balance before shipment
support
FOB, EXW, CIF, CFR
10 TON
Moulds
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42CrMo4 steel bar is an ultra-high strength steel with high strength and toughness, good hardenability, and is not prone to temper brittleness. After quenching and tempering, its fatigue limit and impact resistance are high, and it also has good low-temperature impact toughness. Therefore, it is suitable for manufacturing large and medium-sized plastic molds that require certain strength and toughness. | |||||||||
Product Details
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Product Description
42CrMo4 is a kind of alloy structural steel. 42CrMo4 alloy rod is used to manufacture forgings that require higher strength and larger quenched and tempered sections than 35CrMo steel, such as large gears for locomotive traction, supercharger transmission gears, rear axles, connecting rods and spring clips with extremely high loads. 42CrMo4 alloy rod can also be used for deep well drill pipe joints and salvage tools below 2000m.
Parameter | Value |
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Name | AISI 4140/4142 Alloy steel bar &Rod |
Material | Alloy Steel |
Grade | AISI 4140/4142, 42CrMo4,SCM440;1.7225 |
Outer Diameter (OD) | 130mm-1000mm |
Minimum Order Quantity (MOQ) | 5 TON |
Single Piece Length | 3 meters, 6 meters |
Usage | Manufacturing/Industrial |
Application | Structural Steel Bar, Tool Steel Bar, Die Steel Bar |
Surface Treatment | Coated/Galvanized/Polished |
Specification | Customized |
Origin | China |
Type | Carbon Steel Bar |
Shape | Square/Round |
|Features of 42CrMo alloy steel rod
Material introduction: 42CrMo4 (1.7225)
Implementation standard: EN 10083/3-2006
Characteristics
High strength and high hardenability>> 42CrMo4 has excellent strength and hardenability, and can achieve high strength and hardness after heat treatment.
Good toughness>> The material has good toughness and can withstand certain impact and impact loads under high strength.
Small quenching deformation>>During the quenching process, the deformation of the material is small, which is conducive to maintaining the processing accuracy.
High temperature creep strength and lasting strength>>The material can maintain high creep strength and lasting strength at high temperatures, and is suitable for occasions requiring heat resistance.
Good machinability>>42CrMo4 has excellent machinability and is suitable for a variety of processing methods.
Easy surface treatment>>The material is easy to polish, bite, electroplated, and has good surface treatment performance.
Application>>42CrMo4 is a modified version of the American AISI standard 4140 steel, which is widely used in industrial parts that require high strength, wear resistance and toughness, such as automotive parts, molds and mechanical engineering equipment.
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Product Show
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Application
AISI 4140 alloy steel rods are the perfect choice for manufacturing seamless pipes, thanks to their exceptional strength, toughness, and wear resistance. These properties make them the preferred material for demanding applications across various industries. Seamless pipes crafted from AISI 4140 can withstand high pressure and harsh conditions, meeting the stringent requirements of sectors such as petroleum, chemical processing, machinery, automotive, and aerospace. These pipes are extensively used for transporting various media, including liquids, gases, and solids, ensuring reliable and long-lasting performance in critical environmental conditions.
42CrMo alloy steel rods are extensively used in the manufacturing of vital mechanical components such as bearings, gears, drive shafts, and connecting rods. Renowned for their exceptional strength and toughness, these rods can withstand heavy loads and impacts, making them perfect for demanding machinery applications. Their durability and resilience under intense stress have established them as a top choice in the machinery manufacturing sector, guaranteeing dependable performance and enduring quality in crucial mechanical parts.
AUTOMOBILE INDUSTRY
42CrMo alloy steel rods play a crucial role in automobile manufacturing, particularly in the production of key components such as engine crankshafts, camshafts, and transmission shafts. Their high strength and exceptional wear resistance ensure that these parts can withstand the demanding conditions of high-speed operation and harsh environments. This is why 42CrMo alloy steel rods are utilized in automotive applications, ensuring high performance and durability in vehicles operating under rigorous conditions.
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42CrMo round bar Chemical Composition
Element | Composition (%) |
Carbon (C) | 0.38 to 0.45% |
Silicon (Si) | 0.17 to 0.37% |
Manganese (Mn) | 0.50 to 0.80% |
Phosphorus (P) | ≤0.035% |
Sulfur (S) | ≤0.035% |
Chromium (Cr) | 0.90-1.20% |
Nickel (Ni) | ≤0.30% |
Copper (Cu) | ≤0.30% |
Production Process
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Product Process
RAW MATERIAL PREPARATION
SMELTING
CASTING
HEAT TREATMENT
FINISHING
SURFACE TREATMENT
TESTING AND QUALITY CONTROL
Raw material preparation: According to the formula requirements of alloy steel, prepare the required raw materials, including steel and alloy elements.
Smelting: Put the raw materials into the furnace for smelting to reach the alloying temperature so that the alloying elements and steel can be fully mixed.
Casting: Pour molten alloy steel into a casting mold, wait for it to cool and solidify, and then obtain a preliminary alloy steel billet.
Heat treatment: Heat treatment of alloy steel billets, including quenching, tempering, and other processes, to adjust the structure and properties of alloy steel.
Finishing: Finishing the heat-treated alloy steel billet, including forging, rolling, drawing, and other processes, to form it into the required shape and size.
Surface treatment: Surface treatment is carried out on the finished alloy steel rods, including pickling, galvanizing, spraying, and other processes to improve its corrosion resistance and aesthetics.
Testing and quality control: Conduct various tests on the produced alloy steel rods, including chemical composition analysis, mechanical property testing, etc., to ensure that product quality meets standard requirements.
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Product Testing
100% of the products according to iso9001 program inventory review The use of advanced testing, such as ultrasonic testing
WHY CHOOSE US?
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WHY CHOOSE US
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