S355j2h Square Tube for Heavy Steel Structures Infrastructure Projects Warehouse Frames and Engineering

Name: S355j2h Square Tube for Heavy Steel Structures Infrastructure Projects Warehouse Frames and Engineering
Brand: Shandong Zhishang Steel Co., Ltd.
SKU: 2184257632

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

Extensive Grade Range: Supports GB, EN, ASTM, JIS, DIN, ISO standards with over 60 specific steel grades.

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

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

Professional Processing Services: Offers cutting, punching, welding, and bending services to meet specific needs.

Global Logistics Network: Exports to over 140 countries with sea, land, air, and express delivery options.

24/7 Technical Support: Professional online support available 24 hours a day to solve customer problems.

Free Sample Availability: Free samples offered for testing; freight covered by customer or company based on cooperation.

Third-Party Inspection Accepted: Fully accepts third-party inspections to ensure product quality and reliability.

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: ≤6.53h 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.