Carbon Steel Threaded Welded Tube SCH 80 with 8mm Wall Thickness, 10-50mm OD Range, EN10305-2 Standard
Price:
800 - 9000 USD / ton
MOQ:
5T
Delivery Time:
60-75days
Brand:
HDT
Product Description
Product Overview
High-precision carbon steel welded tubes with threaded connections, manufactured to EN10305-2 standards. These SCH 80 pipes feature 8mm wall thickness and are available in outer diameters from 10-50mm.
Production Method
Manufactured using cold drawn electric resistance welding (ERW) process with precise control over wall thickness, diameter, weld integrity, and surface finish to ensure consistent mechanical properties.
Technical Specifications
Materials
Primary: E355
Alternatives: E155, E195, E235, E275
Dimensions
Outer Diameter: 10-50mm
Wall Thickness: 1.5-8mm
t/D Ratio: ≥ 0.2 (vs standard 0.1)
Standards & Process
Standard: EN10305-2
Process: Cold Drawn, Cold Rolling
Mechanical Properties
Yield Strength Specifications
| Steel Grade | ≤16mm | 16-40mm | 40-63mm | 63-80mm | 80-100mm | 100-150mm | 150-200mm |
|---|---|---|---|---|---|---|---|
| E185 (Fe310) | - | 185 MPa | 175 MPa | - | - | - | - |
| E235 (Fe360) | 235 MPa | 225 MPa | 215 MPa | 215 MPa | 215 MPa | 195 MPa | 185 MPa |
| E275 (Fe430) | 275 MPa | 265 MPa | 255 MPa | 245 MPa | 235 MPa | 225 MPa | 215 MPa |
| E355 (Fe510) | 355 MPa | 345 MPa | 335 MPa | 325 MPa | 315 MPa | 295 MPa | 285 MPa |
Delivery Conditions
+C: No heat treatment after final cold drawing
+LC: Light cold drawing after final heat treatment
+SR: Stress relieve heat treatment in controlled atmosphere
+A: Annealed in controlled atmosphere
+N: Normalized in controlled atmosphere
Product Advantages
Superior dimensional accuracy and surface quality
Tight eccentricity and wall thickness tolerances
Enhanced safety and low-temperature toughness
Cost-effective fixed lengths
Widely used in US market cylinder production (90% market share)
Manufacturing Excellence
Produced using SG/76 Enhanced High-precision High Frequency Welding Tube Production Line, enabling small outer diameters with thick walls (t/D≥0.2) and exceptional size precision.
Certifications
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
Location
Rm. 1202, Buildiing A, Wanda Plaza, Zhangjiagang, Jiangsu, China
Contact Person
Yolanda Zou