What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 27 tons.

What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Are OEM and ODM services available?

Yes, we offer OEM and ODM services, including customization from samples, designs, and flexible minor customization.

Q235B Welded Carbon Steel Round Pipe for Structural Integrity

Name: Q235B Welded Carbon Steel Round Pipe for Structural Integrity
Brand: Shandong Kanghong Manufacturing Co., Limited
SKU: 2159024972

Shandong, ChinaShandong Kanghong Manufacturing Co., Limited

US$450.00-500.00

5 Tons

Product profile

Customization

Available

Type

Welded

Technique

ERW

Model NO.

ASTM A53 Gr. B / GB/T 8162 Q235B

Material

Carbon Steel

Surface Treatment

Black Rust Proof Painting

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Construction & Decoration, Special Purpose

Section Shape

Round

Execution Standard

ASTM A53, GB/T 8162

Outer Diameter Range

21.3mm - 610mm

Wall Thickness Range

2.0mm - 20mm (Sch40)

Regular Length

6m Customization Supported

Custom Size Service

Support Custom Od/Wt/Length

Application Field

Construction, Scaffolding, Fluid Transport

Customizable Service

Support Customization for Special Outer Diameter,

Sample Service

Free Small Sample Available

Delivery Time

7 Days for Standard, 15 Days for Custom

Product Certification

ISO9001 Certified

Processing Service

Cutting, Threading, Galvanizing, Beveling, Paintin

End Treatment

Plain/Beveled/Threaded Optional

End Protection

Plastic Cap for Ends Protection

Inner Rust Protection

Inner Rust Proof Oil Coating

Shipping Method

Sea/Land/Express/Air Optional

Transport Package

Bundle + Waterproof Film + Solid Pallet

Trademark

KANGHONG

Origin

Shandong, China

Production Capacity

50000

Key features

Wide Customization Range: Supports custom OD, wall thickness, and length within 21.3mm-610mm OD and 2.0mm-20mm WT.

Multiple Material Grades: Available in Q195, Q235, Q345, ASTM A500, S235, S355, and other international standards.

Fast Standard Delivery: Standard sizes ship within 7 days; custom sizes require 15 days.

ISO9001 Certified Quality: Manufactured under ISO9001 certification with strict random inspection for finished products.

Versatile Surface Treatment: Features black rust-proof painting, inner oil coating, and optional end protections.

Extensive Stock Inventory: Large inventory of regular sizes (20x20 to 400x400) available in 6m lengths.

Flexible Processing Services: Offers cutting, threading, galvanizing, beveling, and painting services.

Multi-Industry Application: Suitable for construction, scaffolding, fluid transport, oil/gas drilling, and machinery.

Company profile

Importers and ExportersFast DeliveryQuality AssuranceProduction Process Visualization

Shandong Kanghong Manufacturing Co., Limited

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: Foreign trade business has just begun CertifiedNearest Port: TianjinAverage Response Time: ≤5.15h

AI-Powered supplier vetting

SummaryThe supplier is explicitly identified as a professional technical supplier specializing in stainless steel, carbon steel, galvanized steel, metal processing, and related products. It provides 3D software design and multiple forms of customization, including sample-based, design-based, full, minor, and flexible customization. Production is supported by factories with complete facilities, while stated quality controls include batch testing, quality assurance, and raw-material traceability. However, finished products are also described as being checked by packing staff, and no written corrective-action or complaint-handling procedures are available. The supplier states that it has exported to more than 50 countries, but another slice says foreign trade has just begun, creating inconsistency in export-history evidence. No certification information or sufficient evidence of financial credibility is provided. SDK availability is explicitly absent.

Supplier typeThe supplier is explicitly described as a professional technical supplier and as a manufacturer and seller of stainless steel, carbon steel, galvanized steel, metal products, mechanical parts, and related materials. Its registered business scope also includes metal cutting processing and import/export activities, supporting classification as a technical metal-product supplier.

After-Sales capabilityThe supplier states that it provides after-sales support and timely after-sales service through its international sales team, and presents customer-oriented service as a business principle. However, it also reports no written procedures or records for handling customer complaints or corrective and preventive actions, so the formal robustness of after-sales management is not demonstrated.

R&D capabilityThe supplier is identified as having professional technical R&D capability and offers 3D software design services with multiple customization modes. However, it explicitly has no available SDK, so the evidence supports product and design development capability but not software-development integration capability.

Production capacityThe supplier states that its production factories are located in other cities with complete supporting facilities and that it specializes in producing steel coils, sheets, pipes, mechanical parts, and related products. Quality assurance, batch testing, and raw-material traceability are also stated, although one slice says finished products are checked by packing staff, indicating that the detailed final-inspection structure is not fully clear.

Customization capabilityThe supplier explicitly offers customization from samples, customization from customer designs, full customization, minor customization, and flexible customization. Its sales team also states that it supports order customization, providing direct evidence of broad customization capability.