Your Professional Alloy Steel Supplier
Jiangsu Cunrui Metal Products Co., Ltd. was established on March 24, 2016. It is a modern enterprise specializing in the production and export of high-quality metal pipes.
Our company is a significant manufacturer of high-quality metal materials in China. Our product range includes stainless steel, carbon steel, alloy steel, silicon steel, etc., which are widely used in the medical, food, construction and other industries.
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Hastelloy C-276 PipeHastelloy C-276 Pipe for Severe Corrosion ServiceHastelloy C-276 pipe, also identified as UNS N10276, is a nickel-molybdenum-chromium alloy developed for demanding chemical processing and highly
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Monel 400 PipeMonel 400 Pipe for Chemical, Marine and Process PipingWhen a piping system is exposed to seawater, hydrofluoric acid, caustic solutions or other aggressive process media, material selection becomes a
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4140 Alloy Steel Bar4140 Alloy Steel Bar for Shafts, Gears and Heavy-Duty Mechanical PartsWhen buyers choose 4140 steel bar, they are usually looking for more than basic machinability. The main reason for selecting 4140
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ASTM A335 P9 Alloy Seamless Steel PipeWhat is ASTM A335 P9 Alloy Steel Seamless Pipe? This ASTM A335 P9 seamless alloy pipe is a Cr-Mo alloy type, and it's particularly good for situations with high temperatures and high pressure.
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Incoloy 800H PipeIncoloy 800H Pipe is a mix of nickel, iron, and chromium, made for when you need something strong that won't corrode, even if it's used all the time above 600°C...
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X12CrMo5 Alloy Steel PlateX12CrMo5 Alloy Steel Plate is a type of chromium-molybdenum alloy steel that can stand up to heat. It's good for structures and pressure containers that need to work at high temperatures. This
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4130 Alloy Steel BarAISI 4130 Alloy Steel Bar (also known as 4130 Alloy Rod) is a chromium-molybdenum low-alloy steel with an excellent balance of toughness, tensile strength, and fatigue resistance. It is widely used
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4340 Alloy Steel BarSAE 4340 Alloy Steel Bar, also known as 4340 Alloy Rod, is a premium-grade nickel-chromium-molybdenum alloy steel widely recognized for its outstanding strength, toughness, and fatigue resistance.
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8620 Alloy Steel BarThe 8620 Alloy Steel Bar, also known as 8620 Alloy Rod or 8620 Alloy Steel Rod, is a low-alloy steel with excellent hardenability, toughness, and fatigue resistance. Manufactured according to
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34CrNiMo6 Alloy Steel BarThe 34CrNiMo6 Alloy Steel Bar, also referred to as 34CrNiMo6 Steel or 34CrNiMo6 Alloy Steel Rod, is a high-strength, low-alloy structural steel known for its exceptional toughness, wear resistance,
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42CrMo4 Alloy Steel BarThe 42CrMo Alloy Steel Bar, also referred to as 42CrMo Steel or 42CrMo Alloy Steel Rod, is a high-strength low-alloy steel known for its excellent toughness, wear resistance, and fatigue strength.
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A213 Alloy Steel Seamless TubeThe A213 Alloy Steel Seamless Tube offered by Jiangsu Cunrui Metal Products Co., Ltd. is manufactured according to ASTM A213 standard, ensuring consistent quality and reliability. These seamless
Parameter
|
Element |
Content (%) |
|
Carbon (C) |
0.28 – 0.33 |
|
Silicon (Si) |
0.15 – 0.35 |
|
Manganese (Mn) |
0.40 – 0.60 |
|
Chromium (Cr) |
0.80 – 1.10 |
|
Molybdenum (Mo) |
0.15 – 0.25 |
|
Phosphorus (P) |
≤ 0.035 |
|
Sulfur (S) |
≤ 0.040 |
Customized Services
Custom Dimensions & Tolerances
We offer special dimensions and tolerances to meet your specific requirements, ensuring precise fit and function.
Custom Machining Services
We provide custom cutting, machining, threading, and drilling services to tailor products to your needs.
Surface Treatments
Our surface treatments include galvanizing, phosphating, and anti-rust coating to enhance durability and corrosion resistance.
Benefits of Alloy Steel
Enhanced Mechanical Properties
Processes like forging and heat treatment refine the grain structure, enhancing strength, toughness, and fatigue resistance.


Improved Surface Finish
Rolling and other finishing processes improve the surface quality and dimensional accuracy of the steel, which is crucial for both aesthetic and functional purposes.
Increased Durability
Proper processing ensures that alloy steels can withstand demanding conditions, extending the service life of components and structures.


Cost-Effectiveness
While alloy steels may have a higher initial cost compared to standard carbon steels, their benefits translate into long-term cost savings.
Reduced Maintenance
The increased durability and resistance to wear and corrosion mean less frequent repairs and replacements.


Extended Service Life
Alloy steel's longevity reduces the total lifecycle cost of products and infrastructure.
Manufacturing Process Of Alloy Steel
Forging
This process involves shaping alloy steel by applying compressive forces at high temperatures. Forging improves the steel’s mechanical properties by aligning the grain structure and increasing strength.
Rolling
Alloy steel is passed through rollers to achieve the desired thickness and shape. Rolling enhances the steel’s surface finish and consistency while refining its microstructure.
Heat Treatment
Heat treatment processes such as annealing, quenching, and tempering are used to alter the steel’s properties. Heat treatment can increase hardness, strength, and toughness, depending on the specific requirements.
Application of Alloy Steel
Construction projects
It is often chosen for building strong, long-lasting structures.
Machinery and automotive components
Its strength and durability make it suitable for manufacturing parts like engines and heavy equipment.
Shaft production
Alloy steel is used to create items like motor shafts and forged rolls.
Gear manufacturing
Its toughness and wear resistance make it perfect for producing gears.
Logistics
We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.
The time frame of an order delivery is divided into two parts
Processing time: 7-14 Days
Shipping time: 20~30 Days
Shipping methods
DDP, DAP, EXW, etc.
Shipping fee
The shipping fee will be changed according to every pacel's weight.
Certificate

FAQ
As one of the leading alloy steel manufacturers in China, we warmly welcome you to buy cheap alloy steel for sale here from our factory. All customized products are with high quality and competitive price. For pricelist and free sample, contact us now.