Do you provide quality certificates?

Yes, we provide a Mill Test Certificate for our steel pipes.

What is the thickness range?

The thickness ranges from 1-25 mm.

Hot-Sell Square Rectangular Steel Pipe

Name: Hot-Sell Square Rectangular Steel Pipe
Brand: Nanjing Evergrowing Resources Co., Limited
SKU: 2191218055

Jiangsu, ChinaNanjing Evergrowing Resources Co., Limited

US$860.00

30-69 tons

US$845.00

70-99 tons

US$830.00

100+ tons

Product profile

Customization

Available

Technique

ERW

Usage

Pipeline Transport, Machinery Industry, Construction & Decoration

Section Shape

Square

Keyword

Mill Test Certificate Steelpipe

Tolerance

20%

Standard

ASTM

Grade

Q235/Q235B/Q345/Q345b

Processing Service

Bending,Welding,Decoiling, Cutting

Surface

Black Painted

Thickness

1-25 mm

Alloy or Not

Is Alloy

Delivery Time

31-45 Days

Special Pipe

Thick Wall Pipe

Surfacetreatment

Black, Galvanized,Oiled,Painted,etc

Application

Structure Pipe

Oiled or Non-Oiled

Slightly Oiled

Transport Package

Seaworthy

Specification

Customized

Origin

Jiangsu, China

Key features

ERW Square Steel Pipe: Square rectangular steel pipe with ERW technique for pipeline and construction use.

Customizable Tolerance: Tolerance can be customized up to 20% to meet specific project requirements.

Multiple Surface Options: Available in Black, Galvanized, Oiled, Painted, and other surface treatments.

Wide Grade Selection: Offers Q235, Q235B, Q345, and Q345b grades for various structural needs.

Processing Services: Provides bending, welding, decoiling, and cutting services for customized shapes.

Fast Delivery: Delivery time ranges from 31 to 45 days for standard orders.

Mill Test Certificate: Comes with a Mill Test Certificate to ensure product quality and traceability.

Global Supplier: Top agent for steel mills in Asia and Europe, supplying to global markets.

Company profile

Nanjing Evergrowing Resources Co., Limited

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2017-08-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤6.38h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR

AI-Powered supplier vetting

SummaryThe supplier information presents a China-based trading company and manufacturer/factory headquartered in Nanjing, Jiangsu. It reports more than 15 years of industry leadership, exports to over 40 countries, and offers amorphous alloy strips, iron cores, nanocrystalline cores, specialty steel products, and related processing services. ISO 9001 certification is stated, while the company description also claims TUV SUD certification and AEO accreditation. Reported production capability includes an annual capacity of 15,000 metric tons for amorphous strip, with a stated ±0.5 μm thickness tolerance. The supplier describes technical customization, cross-border quality assurance, compliance management, inventory hubs, and a 92% client retention rate. However, staff experience, R&D engineer experience, quality-control staffing, and financial information are unavailable. The records also contain inconsistent company names, so legal-entity verification is advisable.

Supplier typeThe supplier is explicitly identified as both a trading company and a manufacturer/factory, based in Nanjing, Jiangsu, China, with business coverage across tools and hardware, metallurgy, minerals and energy, and chemicals. This indicates combined manufacturing and trading activity rather than a purely intermediary role.

CertificationsISO 9001 is explicitly listed for supplier management systems and for the amorphous strip production line. The company description additionally claims TUV SUD certification and AEO accreditation, although the specific certification scopes are not provided.

R&D capabilityThe supplier reports expertise in amorphous alloys, specialty steel, and precision-engineered magnetic components, along with an R&D center for material-property optimization and dimensional tailoring. It also claims ultrathin 25–30 μm amorphous strip production and advanced manufacturing with ±0.5 μm thickness tolerance, indicating stated technical development capability.

Production capacityThe supplier reports an advanced amorphous strip production line with annual capacity of 15,000 metric tons and a stated ±0.5 μm thickness tolerance. Its portfolio includes amorphous strips, iron cores, specialty steel bars, grain-oriented silicon steel, and value-added processing, supporting a broad stated manufacturing scope.

Customization capabilityThe supplier explicitly offers customized alloy grades, surface-treatment customization, application-specific magnetic performance tuning, material-property optimization, and dimensional tailoring. The stated precision capability and customized processing services provide direct evidence of customization capability.