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calidad Q355B High Strength Hot Rolled Seamless Steel Tube for Structural Applications fábrica
calidad Q355B High Strength Hot Rolled Seamless Steel Tube for Structural Applications fábrica
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Q355B High Strength Hot Rolled Seamless Steel Tube for Structural Applications

Nombre de la marca: Wuxi Sylaith Special Steel Company
Número de modelo: A519SAE1026
Lugar de origen: Porcelana
Certificación: ISO9001
Cantidad mínima de pedido: 5mt
Precio: negotiable
Capacidad de suministro: 8000MT/mes

Detalles del producto


Modelo NO.: A106/A53/20#/45#/Q235B/Q355B/40Cr/35CrMo/42CrM Condiciones de entrega: Recocido|Normalizado|Moderado
Nombre del producto: Tubo de acero de la pared gruesa Propiedades mecánicas: Alta resistencia, alta presión, buena ductilidad
Tratamiento superficial: Aceite-inmersión|Barniz|Estabilización|El fosfatar|Chorreo con granalla Técnica: En el caso de las piezas de acero o de acero, el valor de las piezas de acero o de acero es el valor

Descripción del Producto

Q355B Hot Rolled Seamless Steel Tube For Mechanical Engineering And Structural Applications
Product Overview

Hot Rolled Seamless Carbon Steel Pipe is manufactured through a hot rolling process without welding seams, providing superior strength, pressure resistance, and durability. These pipes are widely used in oil & gas transportation, heat exchangers, boilers, hydraulic systems, construction projects, and mechanical engineering.

Huacheng Pipe Manufacturing offers a comprehensive range of seamless steel pipes and tubes that comply with international standards such as ASTM, API, ISO, DIN, and EN. Available in various grades including ASTM A106 Gr.B, ASTM A53 Gr.B, API 5L X42-X80, ASTM A179, ASTM A333 Gr.6, and A519 SAE1026, our products deliver reliable performance under high-pressure, high-temperature, and low-temperature operating conditions.

Industrial Challenges

Many industrial systems operate under extreme pressure, temperature fluctuations, and corrosive environments. Traditional welded pipes may suffer from weld seam weaknesses, resulting in leakage, cracking, or reduced service life.

Common challenges include:

  • High-pressure fluid transportation
  • Extreme temperature operation
  • Corrosion and erosion resistance requirements
  • Structural reliability under heavy loads
  • Long-distance oil and gas pipeline transportation
Technical Solution

Hot Rolled Seamless Carbon Steel Pipes eliminate the risk associated with weld seams and provide consistent strength throughout the pipe body.

Key benefits include:

  • Excellent pressure-bearing capability
  • Superior mechanical strength
  • High-temperature resistance
  • Low-temperature toughness
  • Improved corrosion resistance after surface treatment
  • Long service life and reduced maintenance costs
  • Compliance with international standards
Technical Specifications
Item Specification
Product Name Hot Rolled Seamless Carbon Steel Pipe
Manufacturing Process Hot Rolled Seamless
Standards ASTM, API, ISO, DIN, EN, JIS, GOST
Material Grades ASTM A106 Gr.B/C, ASTM A53 Gr.B, API 5L Gr.B, X42-X80, ASTM A179, ASTM A333 Gr.6, ASTM A334 Gr.6, SAE1026, SAE1518, ST45, ST52, E355, 20#, 45#, 16Mn, 27SiMn
Outside Diameter 10 mm - 500 mm
Wall Thickness 1 mm - 300 mm
Length 4 m - 12 m or Customized
Surface Treatment Oiled, Varnished, Passivated, Phosphated, Shot Blasted
End Type Plain End, Beveled End, Threaded End
Inspection PMI, UT, Hydrostatic Test, Eddy Current Test
Certification API 5L, API 5CT, PED, BV, TUV, ISO 9001
Packaging Export Standard Package, Wooden Box
Applications

Oil & Gas Industry

  • Crude oil transportation
  • Natural gas pipelines
  • Offshore drilling projects
  • Refinery systems

Power Generation

  • Boiler tubes
  • Superheater tubes
  • High-temperature steam pipelines

Heat Exchanger Systems

  • Condensers
  • Heat exchangers
  • Cooling systems

Mechanical Engineering

  • Hydraulic cylinders
  • Machinery components
  • Bearing sleeves
  • Structural supports

Construction Industry

  • Building structures
  • Bridges
  • Infrastructure projects
  • Steel frameworks

Chemical Processing

  • Chemical transportation systems
  • Process piping
  • Industrial reactors
Manufacturing Process

Hot Rolled Seamless Steel Pipe is produced by heating a solid steel billet to high temperatures and piercing it to create a hollow shell. The shell is then elongated and rolled to achieve the required diameter and wall thickness.

The absence of welded joints ensures uniform material properties throughout the pipe body, allowing it to withstand:

  • High internal pressure
  • Thermal expansion and contraction
  • Dynamic mechanical loads
  • Corrosive operating environments

This manufacturing process significantly improves structural reliability and service life compared to welded pipes.

Selection Guidelines

Working Temperature

  • High-temperature applications: ASTM A106 Gr.B/C, ASTM A335 P11/P22/P91
  • Low-temperature applications: ASTM A333 Gr.6, ASTM A334 Gr.6

Pressure Requirements

  • High-pressure systems require thicker wall pipes and higher-strength grades.

Fluid Type

  • Oil and gas transportation: API 5L Gr.B, X42-X80
  • Steam and boiler systems: ASTM A106, ASTM A335

Mechanical Requirements

  • Hydraulic cylinders: E355, ST52
  • Machinery manufacturing: SAE1026, SAE1518, 45#

Corrosion Environment

  • Select appropriate surface treatment or alloy grades according to environmental conditions.
Factory Images
Hot rolled seamless steel tubes manufacturing facility Quality inspection of seamless steel tubes
Pipe & Tube Processing
Steel pipe processing equipment and machinery
Factory Equipment
Advanced manufacturing equipment for seamless tubes
Production Line
Modern production line for seamless steel pipes
Quality Control
Quality control and testing procedures
Steel Pipe & Tube Applications
Various industrial applications of seamless steel tubes
Packaging

Export Standard / Wooden Box

Export packaging for seamless steel tubes
Main Certificates
Industry certifications and quality standards
Frequently Asked Questions
Q1: What is the advantage of seamless steel pipe over welded pipe?
A: Seamless steel pipes have no weld seams, providing higher pressure resistance, better mechanical strength, improved reliability, and longer service life.
Q2: Which standards are available for your seamless steel pipes?
A: We supply pipes according to ASTM, API, ISO, DIN, EN, JIS, and GOST standards, including ASTM A106, ASTM A53, API 5L, ASTM A179, ASTM A333, and more.
Q3: Can you provide customized sizes?
A: Yes. We can manufacture customized outside diameters, wall thicknesses, lengths, and special surface treatments according to customer requirements.
Q4: What quality inspections are performed before shipment?
A: Products undergo dimensional inspection, chemical composition analysis, hydrostatic testing, ultrasonic testing (UT), eddy current testing, and visual inspection.
Q5: What certifications do you have?
A: Our factory has obtained API 5L, API 5CT, PED, BV, TUV, and ISO 9001 certifications, ensuring compliance with international quality standards.

Aspectos destacados del producto

Q355B Hot Rolled Seamless Steel Tube For Mechanical Engineering And Structural Applications Product Overview Hot Rolled Seamless Carbon Steel Pipe is manufactured through a hot rolling process without welding seams, providing superior strength, pressure resistance, and durability. These pipes are ...

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