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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

  • China,Wuxi ,Jiangsu
  • Verified Supplier

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China AISI4140 Alloy Seamless Steel Pipe For Machining DN10 - DN400 SCH160 XXS
China AISI4140 Alloy Seamless Steel Pipe For Machining DN10 - DN400 SCH160 XXS

  1. China AISI4140 Alloy Seamless Steel Pipe For Machining DN10 - DN400 SCH160 XXS
  2. China AISI4140 Alloy Seamless Steel Pipe For Machining DN10 - DN400 SCH160 XXS
  3. China AISI4140 Alloy Seamless Steel Pipe For Machining DN10 - DN400 SCH160 XXS
  4. China AISI4140 Alloy Seamless Steel Pipe For Machining DN10 - DN400 SCH160 XXS

AISI4140 Alloy Seamless Steel Pipe For Machining DN10 - DN400 SCH160 XXS

  1. MOQ: 4 Tons
  2. Price: 610 - 820 USD/Ton
  3. Get Latest Price
Payment Terms L/C, Western Union, T/T
Supply Ability 20Ton per week
Delivery Time 5 - 10 days based on the quantity
Packaging Details standard packing for export
Products seamless steel pipe
Diameter DN10 - DN600
Thickness 1.0 - 50.0mm
Length 6-10m or cutting as request
Standard ASTM EN GB DIN
Technique Hot Rolled
Service Cutting any length as request
MOQ 2 Ton
Brand Name DELTA
Model Number Carbon Steel , Alloy Steel
Certification ISO
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C, Western Union, T/T Supply Ability 20Ton per week
Delivery Time 5 - 10 days based on the quantity Packaging Details standard packing for export
Products seamless steel pipe Diameter DN10 - DN600
Thickness 1.0 - 50.0mm Length 6-10m or cutting as request
Standard ASTM EN GB DIN Technique Hot Rolled
Service Cutting any length as request MOQ 2 Ton
Brand Name DELTA Model Number Carbon Steel , Alloy Steel
Certification ISO Place of Origin China
High Light machining Seamless Steel PipeDN10 DN400 Seamless Steel PipeSCH160 Seamless Steel Pipe

AISI4140 Alloy Seamless Steel Pipe for machining DN10 - DN400 SCH160 XXS

 

Product name
SEAMLESS STEEL PIPE
Zinc Coating
custom
Material:
Carton steel/Alloy
Technique
hot rolled/cold drawn
Welding method
NO
Packing
Bare packing/Polyethylene sheet packing etc.
Standard
GB/T, ASTM, API, EN, DIN, JIS, etc.
Pipe Ends
Plain , Beveled , Coupling , Threading etc.
Grade
4130 4140 1045 1020 8620.etc
Surface Treatment
Galvanized , Painted , Epoxy Coated , 3PE Coated , etc.
Outer diameter
1/8 - 36 inch
( 10.3 - 914.4 mm)
Product Application
Oil and Gas Delivery/Liquid Transport etc.
Wall thickness
25 - 50mm
Type
Fluid Pipe , Line pipe , Oil Casing , Alloy Pressure Pipe Low Temperature Pipe , Structural Pipe , etc.
Length
Random Length, SRL, DRL Fixed Length
Certifications
CE,ISO,SGS
delivery time
3-5days(in stock)
samples
YES
payment terms
TT
catelog
Please consult customer service to obtain

 

4140 steel is a versatile low-alloy steel that contains chromium, molybdenum, and manganese. Its composition imparts excellent hardenability, making it suitable for heat treatment processes. This steel alloy exhibits high tensile strength, good fatigue resistance, and exceptional toughness, making it ideal for applications that require durability and reliability.

4140 Steel Chemical Compositions

The chemical composition of 4140 steel typically includes the following elements:

 
  • Carbon (C): 0.38-0.43%
  • Chromium (Cr): 0.80-1.10%
  • Manganese (Mn): 0.75-1.00%
  • Silicon (Si): 0.15-0.35%
  • Phosphorus (P): ≤0.035%
  • Sulfur (S): ≤0.040%
  • Molybdenum (Mo): 0.15-0.25%
These elements contribute to the overall strength, hardness, and wear resistance of 4140 steel. The carbon content provides hardness and strength, while chromium enhances the steel’s corrosion resistance and wear resistance. Manganese improves hardenability, and silicon aids in deoxidation and enhances strength. Phosphorus and sulfur are impurities that are kept to a minimum to maintain the steel’s quality. Molybdenum contributes to the steel’s toughness and high-temperature strength.

Heat Treatment Methods

The heat treatment of 4140 steel typically involves a combination of processes, including annealing, normalizing, quenching, and tempering. Each step plays a crucial role in transforming the steel’s microstructure and optimizing its mechanical properties.
 
  1. Annealing: Annealing is the first step in the heat treatment process. It involves heating the steel to a specific temperature (around 800-850°C) and then slowly cooling it to room temperature. This process relieves internal stresses, refines the grain structure, and improves machinability.
  2. Normalizing: Normalizing is performed after annealing to further refine the microstructure. The steel is heated to a temperature slightly above the critical range (around 870-900°C) and then air-cooled. Normalizing enhances the steel’s strength and hardness while maintaining good ductility.
  3. Quenching: Quenching is a rapid cooling process that involves immersing the heated steel into a quenching medium, such as oil, water, or polymer. This step hardens the steel by transforming the austenite phase into martensite, a hard and brittle structure. The quenching process must be carefully controlled to prevent cracking or distortion.
  4. Tempering: Tempering is the final step in the heat treatment process. The quenched steel is reheated to a specific temperature (typically between 150-600°C) and then cooled in still air. Tempering reduces the brittleness of the steel, improves its toughness, and relieves residual stresses.

 

Company Details

Bronze Gleitlager

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Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter

  • Total Annual:

    >1000000

  • Employee Number:

    >100

  • Ecer Certification:

    Verified Supplier

Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...

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Get in touch with us

  • Reach Us
  • JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
  • No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
  • https://www.stainless-strips.com/

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