WhatsApp
Email
Chat
WhatsApp:
008618962244644
Email:
sale@chewit.cn
看不清楚,点击刷新

Welding Steel Tube

Our ERW welding tube is manufactured via electric resistance welding, boasting high weld strength, precise dimensions and smooth surface. It features stable performance and cost-effectiveness, widely recognized in multiple industrial fields.

看不清楚,点击刷新
Welding Steel Tube 1 Welding Steel Tube 2 Welding Steel Tube 3 Welding Steel Tube 4 Welding Steel Tube 5
Thumbnail 1
Thumbnail 2
Thumbnail 3
Thumbnail 4
Thumbnail 5

Product Details

Common Material Grades:

Carbon steel: Q195, Q215, Q235B, 10#, 20#


Applications:

Widely used in fluid transmission (water, natural gas, oil), construction (scaffolding, guardrails), automotive (exhaust pipes, frame components), machinery manufacturing and agricultural equipment fields.
Our welded carbon steel tube is widely used across various industries:
Industry Typical Uses
Automotive Exhaust systems, chassis components, seat frames, structural parts
Furniture Chair frames, tables, shelving, display racks
HVAC Air conditioning lines, heating system pipes, ventilation ducts
General Engineering Roll cages, conveyor rollers, fencing, sign posts
Hydraulic (low to medium pressure) Return lines, drain lines, non-critical fluid transfer

Technical Specifications:

Parameter Details
Product Type Welded carbon steel tube
Material Grade Q195, Q235, Q345, ST37, ST52, or as required
Manufacturing Process ERW (Electric Resistance Welded)
Outer Diameter (OD) 6 mm – 150 mm (custom sizes available)
Wall Thickness 0.1 mm – 5mm
Length 3 m – 12 m, or as requested
Tolerance Class EN 10305-2 / GB/T 13793, or custom
Surface Finish  annealed, zinc-plated
Other specifications available upon request.


Dimensional Tolerance Table (Example – based on EN 10305-2):

OD (mm) Tolerance (mm) Wall Thickness (mm) Tolerance (mm)
10 ± 0.08 1.0 ± 0.10
16 ± 0.10 1.5 ± 0.12
20 ± 0.10 2.0 ± 0.15
25 ± 0.12 2.5 ± 0.15
32 ± 0.15 3.0 ± 0.18
40 ± 0.15 3.5 ± 0.20
50 ± 0.18 4.0 ± 0.22