Thin Wall ERW Round Steel Pipe Light Construction Pipe

Item

Detailed Description

Product Name

Thin Wall ERW Round Steel Pipe / Light Construction Round Steel Pipe

Product Definition

It is a high-frequency Electric Resistance Welding (ERW) carbon steel pipe with thin wall thickness and lightweight feature, specially optimized for light-duty construction and general structural applications. Manufactured by curling steel strips into cylindrical shape and precise longitudinal seam welding, featuring uniform wall thickness, smooth surface and stable structural performance.

Core Characteristics

Light weight, high dimensional accuracy, excellent weld tightness, easy cutting and installation, cost-effective, stable mechanical property, low pressure resistance suitability

Main Usage

Widely used in building light structure, construction scaffolding, factory frame, fence structure, municipal engineering, low-pressure fluid conveying and general engineering support

Standard

Available Material Grades

Applicable Scenarios

ASTM A53 Gr.A / Gr. B

A53 Grade A, A53 Grade B

General construction structure, low-pressure pipeline, conventional building support

ASTM A500 Gr. B / Gr.C

A500 Grade B, A500 Grade C

Building frame, scaffolding, municipal structural engineering

EN 10217 / EN 10025

S235JR, S275JR, S355JR

European standard construction projects, outdoor structural facilities

GB/T 3091

Q235B, Q355B

Civil construction, industrial plant light steel structure

Parameter Item

Specification Range

Outer Diameter (OD)

21.3mm - 609.6mm (1/2 inch - 24 inch), customizable

Thin Wall Thickness

1.8mm - 4.0mm (core thin-wall range for light construction), Schedule 20 / Schedule 30

Pipe Length

6m / 9m / 12m standard length, 1m-12m customized cutting

Dimensional Tolerance

Outer diameter: ±1%; Wall thickness: ±0.15mm; Straightness: ≤1.5mm/m

Working Pressure

≤1.0MPa, suitable for light-duty low-pressure working environment

Surface Condition

Black steel / Pickled / Oiled / Hot-dip Galvanized / Pre-galvanized

End Treatment

Plain end / Beveled end / Threaded end with cap protection

Production Process

Technical Advantages

High-Frequency ERW Welding

Adopts advanced high-frequency resistance welding technology, uniform welding seam, no crack and leakage, high bonding strength, ensures overall structural stability of thin-wall pipe

Precision Cold Forming

Steel strip cold-rolled forming, regular round pipe shape, uniform thin wall thickness, avoids local thickness deviation, improves pipe load balance

Full Process Quality Inspection

100% online weld inspection, hydrostatic pressure test, ultrasonic testing and dimensional inspection, eliminate defective products, ensure stable quality of each batch

Fine Surface Treatment

Smooth inner and outer surface, no burr, no oxidation slag, reduces construction resistance, convenient for painting, welding and secondary processing

Advantage Dimension

Detailed Superiority

Lightweight & Cost Saving

Thin-wall lightweight design reduces overall engineering weight, saves raw material cost and transportation cost, lowers construction load and installation difficulty, greatly improves construction efficiency

High Precision & Easy Processing

Strict dimensional tolerance control, regular pipe shape, easy to cut, bend, weld and assemble, perfectly matches various light construction design requirements

Corrosion & Wear Resistance

Optional galvanized and anti-rust oil treatment, effectively resists moisture oxidation and atmospheric corrosion, extends service life in outdoor and humid construction environments

Stable Structural Performance

Uniform stress distribution, good plasticity and toughness, strong compression and impact resistance, stable support performance for light building structures

Customization & Wide Compatibility

Supports customized diameter, wall thickness, length and surface treatment, compatible with global construction standards, meets diverse project demands

Factory Direct Supply

No middleman markup, sufficient inventory, fast delivery, stable batch quality, provides one-stop OEM & ODM service

Application Industry

Specific Application Scenarios

Building Construction

Light steel structure frame, building interior support, ceiling keel, temporary construction support

Construction Scaffolding

Light-duty scaffolding pipe, construction platform support, safety protection frame

Municipal Engineering

Urban fence, guardrail support, municipal light-duty support structure, landscape engineering frame

Industrial Factory

Workshop light steel frame, equipment support frame, factory ventilation pipeline bracket

Low-pressure Fluid Conveying

Civil water pipeline, ventilation duct, general low-pressure liquid and gas conveying pipeline

Other Engineering Fields

Warehouse shelf support, agricultural greenhouse frame, temporary engineering facilities

Inspection Item

Inspection Standard & Method

Chemical Composition Test

Complies with ASTM, EN and GB standard requirements, raw material component detection

Mechanical Property Test

Tensile strength, yield strength, elongation test, ensure structural stability

Hydrostatic Pressure Test

No leakage and no deformation under rated working pressure

Weld Seam Inspection

Ultrasonic nondestructive testing, ensure welding seam integrity

Dimensional Precision Inspection

Full-size sampling inspection, strictly control tolerance range

Certification Support

ISO9001 quality system certification, factory inspection report, third-party testing report available

Item

Detailed Service

Packaging Method

Standard seaworthy packing, bundled with steel strips, plastic end caps protected, waterproof woven bag wrapped, avoid damage during long-distance transportation

Shipping Port

Tianjin Port, Qingdao Port, Shanghai Port (flexible arrangement)

Delivery Time

Standard inventory goods: 3-7 days; Customized goods: 10-20 days

Trade Terms

FOB, CFR, CIF, EXW, DDP (customizable)

After-sales Service

24-hour online consultation, product quality guarantee, support return and exchange for quality problems, provide technical installation guidance