450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use

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450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use pictures & photos
450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use pictures & photos
450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use pictures & photos
450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use pictures & photos
450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use pictures & photos
450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use pictures & photos
  • 450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use
  • 450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use
  • 450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use
  • 450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use
  • 450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use
  • 450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use

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Overview

Basic Info.

Model NO.
DIN 17175/2448 St. 35.8
Type
Seamless
Technique
Cold Rolled
Material
Carbon Steel
Surface Treatment
Polished
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape
Round
Standard Specifications
ASTM A106 ASTM A53 DIN 1629 / 2448
Steel Grades
Q235/275/355 Gr.a/B/C, X42/X46/X52
Main Process
Cold-Formed Seamless
Unit Leagth
5800mm-12000mm
Wt
10.3-120mm
Od
1mm-40mm
Ends
Plain Ends
Products
China Supplier Galvanized Carbon Steel Seamless Pi
Delivery
7-35 Days
Surface
Pickled, Bright Annealed, Polished
Package
Packed by Bundles, Plastic Bags, Wooden Case,etc
Usage 1
Pipeline Transport, Boiler Pipe, Hydraulic/Automob
Usage2
Dewatering System, Fluid Transport, Heat Exchanger
Usage3
Electronics, Industrial, Food, Boiler,Marine
Usage4
Oil/Gas Transport, Power Statio, Port Construction
Transport Package
Seaworthy Package
Specification
0.8mm-25mm
Trademark
EZ Steel
Origin
China
HS Code
73043110
Production Capacity
500000/Year

Product Description

Heat-Resistant Up to 450°C Precision ID/OD Finish Power Plant&Petrochemical Grade BlackForg DIN 2448 ST35.8 Seamless Pipes
Product Description
 
 

The BlackForge™ DIN 2448 ST35.8 Seamless Pipes are engineered for high-temperature industrial applications, offering exceptional heat resistance (up to 450°C) and superior dimensional accuracy. Manufactured under DIN 2448 / EN 10216-1 standards, these pipes are ideal for power plants, petrochemical refineries, and high-pressure steam systems where reliability under thermal stress is critical.

Key Features

 High-Temperature Performance - Stable mechanical properties up to 450°C (842°F).
 Precision ID/OD Finish - Smooth internal & external surfaces for optimal fluid flow & welding.
 Seamless Construction - Eliminates weak points, ensuring high burst resistance & durability.
 Corrosion & Oxidation Resistant - Enhanced carbon steel composition for long service life.
 Certified Quality - Complies with DIN, EN, and PED (Pressure Equipment Directive).

 

Technical Specifications

Material & Chemical Composition (DIN 2448 ST35.8)

Element Composition (%) Function
Carbon (C) 0.17 max Controls hardness & weldability
Manganese (Mn) 0.40 - 1.20 Enhances strength & toughness
Phosphorus (P) 0.040 max Reduces brittleness
Sulfur (S) 0.040 max Minimizes hot cracking
Silicon (Si) 0.10 - 0.35 Improves heat resistance

Mechanical Properties (Room Temperature)

Property Value Test Standard
Tensile Strength 360 - 480 MPa DIN EN ISO 6892-1
Yield Strength 235 MPa min DIN EN ISO 6892-1
Elongation 25% min DIN EN ISO 6892-1
Hardness ≤ 140 HB DIN EN ISO 6506-1

Available Sizes & Dimensions

Nominal Diameter (mm) Wall Thickness (mm) Schedule Equivalent Pressure Rating (Bar)
15 - 50 mm 2.0 - 5.0 mm SCH 40 / SCH 80 150 - 300 Bar
50 - 150 mm 3.0 - 10.0 mm SCH 40 / SCH 160 100 - 250 Bar
150 - 500 mm 5.0 - 20.0 mm SCH 20 / SCH XXH 50 - 150 Bar
 

Applications

 Power Plant Boilers & Superheaters
 Petrochemical Refineries (High-Temp Pipelines)
 Steam & Condensate Systems
 Heat Exchangers & Pressure Vessels
 Industrial Furnace & Exhaust Systems



 
450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use
450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use
450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use

 

Detailed Photos

450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use
450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use
 

 
 

 

FAQ

Q:  How many days can you deliver after confirmed the order?
A:  For stock:  within 5-7 days;
      For customized product:  around 30 days;
      For special sizes:  subject to negotiation.

Q: How does your company do quality control?
A: ISO 9001:2015 certified;
     Product certificate as per EN10204 3.1 or 3.2 as per customer's request.
    
  
Q: Can I have a factory-visit?
A:  Surely. All customers are welcome to visit us in China.

Q: Can I have a trial order?
A: Of course, it is an honor for us to have the opportunity to show our quality and service. 
 
Company Profile
  Business Type: Manufacturer/Factory
  Main Products: Carbon Steel Pipe , Stainless Steel Pipe , Copper Nickel Tube , Heat Exchanger Tube , Boiler ...
  Registered Capital: 2000000 RMB
  Plant Area: >2000 square meters
  Management System Certification: ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, ANSI/ESD
  Average Lead Time: Peak Season Lead Time: 1-3 months
Off Season Lead Time: within 15 workdays
SGS Serial NO. :
QIP-ASI199413Report Verification
EZ STEEL INDUSTRIAL Co., Ltd, together with LONG-RUN METALS Co., Ltd, is the export division and window company of EZ STEEL GROUP, which was founded in 1996 and has been committed to the development and manufacturing of industrial tubes in the past 20 years. It is one of the largest steel tube manufacturing enterprise groups in China. The group possess fixed assets over 200million and more than 800 employees with annual production capacity over 300 thousand tons.

The company has continuously introduced the world advanced manufacturing equipment and now is able to produce welded and seamless steel tube, copper tube and nickle alloy tube. We also have our own coating facilities and workshops for further processing. After years of development, EZ STEEL GROUP and the affiliated enterprises have obtained many kinds of domestic and international certifications including ISO 9001 Quality Management System Certification, ISO14000 Environment Management System Certification, CE, License for Manufacture of Pressure Piping in China, etc. The company has obtained good domestic achievements and is the nominated supplier of CNPC and CNOOC. The product are exported to Southeast Asia, the Middle East and Africa, Europe, Australia, North and Latin Americas via trade companies, and are widely used in pipeline works, foundation works, steel structure works, boiler and condenser fabrication, oil refinery plant, power plant, sugar-making plant, ship-building and offshore construction projects etc.

Holding the concept of First-class Brand, First-class Service, First-class Value, EZ STEEL GROUP is aiming to build up a win-win enterprise platform for both our customers and employees.

CONTACT US
Contact: Rosy Xu
EZ STEEL INDUSTRIAL CO., LTD
Add: No.199,  Xiangfu Road, Yuhua Industrial Zone, Changsha City , P.R China 

Pls. do not hesitate to contact me if you have any questions!

You are warm welcomed to visit our factory!!!

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