What certifications do you have?

We hold ISO9001:2015 certification and products comply with standards like ASTM, DIN, GB/T, and JIS.

Is OEM or ODM service available?

Yes, we provide OEM and ODM services, including customization from samples, designs, and flexible customization options.

Circle Hollow Section

Name: Building Material Frame Structure Profile Square/Rectangular/Circle Hollow Section
Brand: Union Steel Industry Co., Ltd.
SKU: 1961000001

Hunan, ChinaUnion Steel Industry Co., Ltd.

US$550.00

1-99 tons

US$500.00

100-999 tons

US$450.00

1,000+ tons

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Type

Welded

Technique

Hot Rolled

Material

Carbon Steel

Surface Treatment

Black

Usage

Machinery Industry, Construction & Decoration

Section Shape

Rectangular

Selling Units

Single Item

Single Package Size.

100X100X10cm

Shape

Round.Square.Rectangular

Single Gross Weight

50.000 Kg

Tolerance

Standard

ASTM

Grade

Carbon Steel

Invoicing

by Actual Weight

MOQ

1ton

Alloy or Not

Non-Alloy

Delivery Time

15days

Technology

High-Frequency Welding

Application

Structure Pipe

Oiled or Non-Oiled

Non-Oiled

Certificate

ISO9001

Transport Package

Bundle Package

Specification

OD: 20mm*10mm ~ 400mm*300mm

Trademark

USI

Origin

Tianjin, China

Key features

Wide Shape Options: Available in Round, Square, and Rectangular hollow sections.

Flexible Surface Treatment: Galvanized, painted, oiled, powder coated, PVC coated, or custom.

High Production Capacity: Monthly productivity reaches 10,000 tons for large orders.

Multiple Steel Grades: Supports Q195, Q235, ASTM A36, A500, SS400, S355, etc.

Strict Quality Control: 100% visual and functional inspection for finished products.

Flexible Customization: OEM/ODM available with full, minor, and sample-based options.

Fast Delivery Time: Standard delivery within 15 days after deposit or L/C receipt.

Versatile Applications: Ideal for building structures, fences, and machinery industries.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceMulti-language PioneerExperienced Team

Union Steel Industry Co., Ltd.

Hunan, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 years CertifiedNearest Port: Tianjin Port;Shanghai Port;Average Response Time: ≤8.11h

About Our Factory & Business Background

AddressNo. 380, Huijin Industry Park, Furong Road, Changsha City Hunan Province, Changsha, Hunan, China

Plant Area160 square meters

Number of Employees18

Registered Capital10,000,000 RMB

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Minimum Order Quantity2 Tons

Supply Chain Partners100

Our Production Capability & Technical Expertise

Main ProductsSteel Pipe, Seamless Steel Pipe

QA/QC inspectors1 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instruction but no written records

R&D Engineers1 people

Traceability of Raw MaterialsNo

Our Industry Experience & Global Business Record

Year of Establishment2023-01-18

Main MarketsEurope

Repeat Buyers Choice50%~80%

Number of Foreign Trading Staff15

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015

Cooperated with Fortune 500No

Product Q&A

Q:What shapes are available for these hollow sections?

We offer Round, Square, and Rectangular shapes to meet various structural needs.

Q:What surface treatments can be applied?

Options include galvanized (zinc coated), painted, oiled, powder coated, PVC coated, or customized as per client requirements.

Q:What is the minimum order quantity (MOQ)?

The MOQ is 1 ton for standard items, but the description also notes a general MOQ of 25 tons for specific trade terms. Please confirm based on your order size.

Q:What are the payment terms?

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

Q:What is the delivery time?

Standard delivery time is 15 days after receiving the T/T deposit or L/C.