What is the typical delivery time?

Delivery time is generally 8 days or 15-21 days, depending on the order specifics.

What standards do the pipes comply with?

Pipes comply with ASTM A500, GB/T3094, EN10219, EN10210, JIS3466, GB/T 6728, and others.

What is the outer diameter range for square pipes?

Square pipes range from 20x20mm to 400x400mm in outer dimensions.

High Quality Pre Galvanized ASTM A53 ERW Steel Pipe Welded Pipe

Name: High Quality Pre Galvanized ASTM A53 ERW Steel Pipe Welded Pipe
Brand: Tianjin RuiTong Iron & Steel Co., LTD.
SKU: 2081534572

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

Galvanized

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

Hot-Dip Galvanized Coating: Uniform coating with strong adhesion, zinc layer 220-260g/m2 for long service life.

Wide Material Selection: Available in Gr.A/B/C, S235, S275, S355, A36, SS400, Q195, Q235, Q345.

Flexible Customization: Customizable surface, standards, processing, grade, and delivery time based on needs.

Multiple Shape Options: Square (20x20-400x400mm), Rectangular (20x40-300x500mm), and Round pipes.

Strict Quality Certification: Certified by ISO 9001:2008, SGS, BV, CCIC, and various international standards.

Professional Manufacturer: Over 20 years experience, 90,000 sqm plant, 5 production lines, 10 QA inspectors.

Versatile Application: Suitable for pipeline transport, oil/gas drilling, construction, machinery, and furniture.

Secure Packaging: Seaworthy bundles with steel strips for large OD; loose packing for small sizes.

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: ≤18h

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.