What certifications does the product have?

Products are certified by ISO 9001:2008, SGS, BV, and CCIC, complying with ASTM A500 and EN standards.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, and Western Union for international commercial transactions.

What is the warranty period?

We provide a 1-year warranty for the product, along with 3 months of after-sales service.

Hot Rolling ASTM A53 Welded Square steel Pipe Hollow Steel Pipe

Name: Hot Rolling ASTM A53 Welded Square steel Pipe Hollow Steel Pipe
Brand: Tianjin RuiTong Iron & Steel Co., LTD.
SKU: 2078855932

Tianjin, ChinaTianjin RuiTong Iron & Steel Co., LTD.

US$600.00-800.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

3months

Warranty

1 Year

Type

Welded

Technique

Hot Rolled

Material

Carbon Steel

Surface Treatment

Black

Usage

Pipeline Transport, Boiler Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose, Chair, Tent, Building, Table, Shelf

Section Shape

Square

Surface

Oil, Black, Varnish, Hot Dipped Galvanized

Standards

ASTM A500, GB/T3094

Processing Service

Welding, Punching, Cutting, Bending, Decoiling

Delivery Time

8 Days, 15-21 Days

Grade

Q235, Q195, Q215, Q345b

Alloy or Not

Non-Alloy

Supply Ability

15000t /Month

Tolerance

Length:±6mm

Transport Package

in Bundles with Water Proof Plastic Tarpaulin

Specification

15mm-600mm

Trademark

RUITONG

Origin

Tianjin, China

HS Code

73066100

Production Capacity

500000

Key features

Extensive Customization Options: Full customization from samples or designs, including surface treatment, standards, and processing services.

Wide Range of Specifications: Square pipes from 20x20mm to 400x400mm and rectangular pipes from 20x40mm to 300x500mm available.

Multiple Material Grades: Available in GrA, Gr.B, Gr.C, S235, S275, S355, A36, SS400, Q195, Q235, Q345b, and more.

Versatile Surface Treatments: Options include black, varnish, hot-dipped galvanized, pre-galvanized, and oil-coated surfaces.

Fast Delivery Time: Standard delivery within 8 days, with peak season lead time within 15 workdays or one month.

Comprehensive Certifications: Certified by ISO 9001:2008, SGS, BV, CCIC, and compliant with ASTM A500 and EN standards.

Established Manufacturer: Over 20 years of experience in producing welded pipes with a 90,000 sqm plant area.

Low Minimum Order Quantity: Flexible purchasing with a Minimum Order Quantity (MOQ) of just 1 unit.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Tianjin RuiTong Iron & Steel Co., LTD.

Tianjin, 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: 16 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is a combined manufacturing and trading entity whose stated business includes metal-material manufacturing, wire-rope production, metal-material sales, and import/export activities. It reports broad customization, ODM and OEM capabilities, with 16 years of export experience. Quality and service processes are documented, including finished-product inspection, complaint handling, corrective actions, and supplier assessment procedures. It has inventory capacity and accepts multiple payment and quotation terms, but lacks overseas warehouses, branches, agents, showrooms, and offline trade-show experience. Financial information is represented only by reporting years, without assessable financial performance data. The supplier reports no available SDK and no established AI-based sustainable-development management capability. A significant operational concern is the absence of a valid manufacturing contract with associated subcontractors.

Supplier typeThe supplier is identified as a combined company, with business activities covering metal-material manufacturing, wire-rope products, metal-material sales, import/export, and technology import/export. Its combined facility is described as a spiral steel pipe production line, indicating a manufacturing-oriented operating profile.

After-Sales capabilityThe supplier has documented procedures and records for customer complaints and corrective/preventive actions, supporting a structured service-response process. However, it has no overseas agents or branches, no overseas warehouse, and no overseas showroom, which limits evidence of localized after-sales coverage.

R&D capabilityThe supplier reports new products during the past year, ODM services, and broad R&D-related customization capabilities. However, it has no available SDK and reports no established AI model for big-data processing and decision-enabled management, so innovation evidence is positive but incomplete.

Production capacityThe supplier operates a spiral steel pipe production line, has inventory capacity, and reports documented finished-product inspection and supplier-management procedures. It also states an average lead time of within 15 working days to one month, but the lack of a valid contract with associated subcontractors is a documented production-governance risk.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM capability, providing direct evidence of broad product-development and customization support.

Client casesThe supplier states that it provides OEM services for well-known brands and identifies its own-brand quality-control capability as RuiTong, with a stated quantity of two. These entries provide some customer or brand-related evidence, but no customer names, project details, volumes, or verifiable case descriptions are supplied.