High Frequency ERW Welded Steel Pipe SCH40 Water Gas Pipeline

Item

Details

Product Name

High Frequency ERW Welded Steel Pipe SCH40 Water Gas Pipeline

Product Category

ERW Steel Pipe / Water and Gas Pipeline / SCH40 Steel Pipe

Standard

ASTM A53, ASTM A106, API 5L, BS 1387, EN 10255

Welding Type

High Frequency (HF) ERW (Electric Resistance Welded)

SCH Standard

SCH40 (Standard Schedule 40)

Main Application

Water Supply System, Gas Transmission Pipeline, Municipal Engineering, Industrial Fluid Conveyance, Oilfield Water Pipeline

Port of Shipment

Tianjin Port, Shanghai Port, Qingdao Port

Payment Terms

T/T, L/C, Western Union, Alibaba Trade Assurance

Supply Ability

5000 Tons per Month

Delivery Time

7-15 working days for stock, 15-30 working days for customized order

Packing

Standard seaworthy packing: Steel frame, Bundle with steel strip, Plastic cap protection

Warranty

12 Months after shipment

Certification

ISO9001, CE, BV, SGS, API

Specification

Parameter

Outer Diameter (OD)

21.3mm - 609.6mm (1/2" - 24")

Wall Thickness (WT)

SCH40 Standard Thickness (matches OD size)

Length

6 meters, 12 meters, Customized length (5.8m, 11.8m, etc.)

Material Grade

ASTM A53 Gr. B, Q235B, Q355B, ST37, ST52

Surface Treatment

Black painted, Galvanized, Anti-rust oil, Varnish coating

Pipe End

Plain end, Beveled end, Threaded end (NPT/BSP), Coupled end

Tolerance

OD: ±0.5mm, WT: ±0.2mm, Length: ±5mm

Yield Strength

≥ 245MPa

Tensile Strength

≥ 410MPa

Elongation

≥ 22%

Feature

Advantage

High Frequency ERW Welding

Stable welding seam, high precision, no leakage, good air tightness for water and gas

SCH40 Standard Dimension

Uniform wall thickness, standard connection, compatible with global pipe fittings

High Structural Strength

Good pressure resistance, suitable for medium-pressure water and gas transmission

Corrosion Resistance

Multiple surface treatments available, long service life in outdoor and underground environment

Smooth Inner Wall

Low fluid resistance, high conveying efficiency, no scaling for water/gas medium

Easy Installation

Standard size, light weight, convenient for cutting, welding and on-site construction

Cost-effective

Lower production cost than seamless pipe, reliable quality, suitable for large-scale engineering

Wide Compatibility

Suitable for drinking water, natural gas, coal gas, industrial water and other media

Test Item

Standard Requirement

Test Result

Hydrostatic Test

100% hydrostatic pressure test, no leakage

Qualified

Flattening Test

No crack, no welding seam separation

Qualified

Flaring Test

180° flaring, no crack

Qualified

Bending Test

90° bending, no damage

Qualified

Tensile Test

Meet ASTM A53 Gr. B standard

Qualified

Hardness Test

HB 110-150

Qualified

Dimensional Inspection

Meet SCH40 tolerance standard

Qualified

Surface Inspection

No crack, no scar, no inclusion, no pitting

Qualified

Application Field

Specific Usage

Municipal Water Supply

Urban drinking water pipeline, residential water supply network

Gas Transmission

Natural gas pipeline, LPG gas pipeline, city gas distribution

Industrial Pipeline

Industrial circulating water, cooling water, process fluid transmission

Construction Engineering

Building water supply and drainage, fire fighting pipeline, HVAC system

Oilfield & Mining

Oilfield water injection pipeline, mine drainage pipeline

Agricultural Irrigation

Farmland water supply pipeline, irrigation system

Chemical Industry

Corrosive fluid transmission (with special surface treatment)

Packing Type

Details

Loading Quantity

Steel Bundle Packing

Bundle with steel strip, plastic cap at both ends

20-25 tons per 20FT container

Steel Frame Packing

Fixed with steel frame, anti-collision protection

22-28 tons per 40FT container

Customized Packing

Wooden case, pallet packing (for small size)

According to customer requirement

Shipping Mark

Customer logo, product specification, batch number, gross weight

Clear and durable printing