What is shipment terms?

1. Container ship 2. bulk ship 3. Train

Do you have English Mill Test Certificates?

Yes,that is what we give gurantee to our clients

Square Pipe Carbon Steel Box Section for Construction Support Frames Fencing and Mechanical Fabrication

Name: Square Pipe Carbon Steel Box Section for Construction Support Frames Fencing and Mechanical Fabrication
Brand: Shandong Zhishang Steel Co., Ltd.
SKU: 2179869042

Shandong, ChinaShandong Zhishang Steel Co., Ltd.

US$680.00

1-19 Tons

US$660.00

20-49 Tons

US$640.00

50-99 Tons

US$620.00

100+ Tons

Product specifications

Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Supply

Warranty

Supply

Model NO.

Square Tube

Type

Welded

Technique

Hot Rolled

Material

Carbon Steel

Surface Treatment

Black

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose

Section Shape

Square

Size Range

20X20-400X400mm

Thickness

1.0-20.0mm

Standard

ASTM A500/A53 / En10219 / En10210 / JIS G

Length

5.8/6/12 M or as Required

Transport Package

According to Customer Requirements

Specification

custom made

Trademark

ZhiShang

Origin

Shandong China

Production Capacity

100000 Tons/Year

Key features

Wide Grade Selection: Available in GB, EN, ASTM, JIS, and DIN standards including Q235, Q345, S355, and A36.

Custom Dimensions: Size range 20x20 to 400x400mm, thickness 1.0-20mm, and length 2-12m or as required.

Surface Treatment Options: Offers Galvanized, 3PE, painting, coating oil, steel stamp, and drilling services.

Factory Direct Supply: High-quality products directly supplied from the factory ensuring adequate supply.

Professional Processing: Services include cutting, punching, welding, and bending for various applications.

Free Sample Support: Free samples available; freight covered by customer or company depending on cooperation.

Global Logistics: Efficient shipping via sea, land, air, or express delivery to over 140 countries.

Third-Party Inspection: Accepts third-party inspection and provides English Mill Test Certificates.

Company profile

Shandong Zhishang Steel Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedNearest Port: Qingdao PortAverage Response Time: ≤8.12h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR, EXW

AI-Powered supplier vetting

SummaryThe supplier is a China-based steel products and steel-structure manufacturer with broad product coverage, including galvanized, prepainted, cold-rolled, hot-rolled, stainless, structural steel, pipes, and customized steel structures. Evidence indicates substantial facilities, more than 10 production lines, an annual production capacity of 1 million tons, and over 50,000 tons of standing inventory for other steel products. It reports ISO 9001:2015 certification, 41–50 quality-control staff, and delivery within 15 workdays during off-peak periods. Its stated export coverage is broad, while transaction records show limited activity: five listed transactions, each associated with Vietnam and one buyer group, with registration dates in January or April 2025. R&D staffing is reported as two engineers. After-sales capability, financial credibility, and innovation performance are not sufficiently evidenced.

Supplier typeThe supplier is presented as a Chinese steel manufacturer and supplier offering both steel products and customized steel-structure production. Its stated scope includes galvanized, prepainted, hot-rolled, cold-rolled, stainless, structural steel, pipes, and related processing services.

CertificationsThe supplier explicitly reports holding an ISO 9001:2015 certificate. This provides direct evidence of a certified quality-management system, although no other certifications are identified.

Production capacityProduction capability is supported by 20,000 square meters of workshops, supporting cranes and processing equipment, more than 10 production lines, reported annual capacity of 1 million tons, and over 50,000 tons of standing inventory for other steel products. The supplier also states that it can provide short delivery times, with off-peak lead time within 15 workdays.

Customization capabilityThe supplier explicitly offers steel-structure customization and lists equipment and lines for H-beam production, CNC cutting, assembly, gantry welding, straightening, drilling, shearing, bending, shot blasting, and painting. These details directly support multi-step customized steel fabrication capability.

Product Q&A

Q:Will you deliver the goods on time?

Yes, we promise to provide best quality products and delivery in time no matter if the price change lot or not, Honesty is our company's tenet.

Q:How about the sample if i need?

The sample will be offered for free if you need, but the freight will be covered by our customer. If we have cooperation, the freight will be covered by our company.

Q:How about the MOQ?

Generally, the trail order will be accepted.The MOQ can be confirmed according to the different products. For example, the MOQ of PPGI will be 10MT.

Q:How about the delivery time?

Within 15-30days after receiving the deposit or L/C at sight. Of course, the detail will be confirmed by the quantity and the different products.

Q:How to order?

Please send us your purchase order by email. Or you can ask us to send you a proforma invoice for your order. We need to know the following information for your order.