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Our products are certified with ISO, RoHS, SGS, and CE standards.

Premium Q345 High Strength Carbon Steel Coil for Construction

Name: Premium Q345 High Strength Carbon Steel Coil for Construction
Brand: Shandong Guojie New Material Co., Ltd.
SKU: 2271704785

Shandong, ChinaShandong Guojie New Material Co., Ltd.

US$434.00

1-49 Tons

US$420.00

50-199 Tons

US$395.00

200+ Tons

Product specifications

Width customized

Product profile

Customization

Available

After-sales Service

Quality Assurance

Standard

ASTM, JIS, GB, AISI

Model NO.

Q235/Q345/ST37-2/ST52/Q420/Q460

Certification

ISO, RoHS, SGS CE

Surface Treatment

Hot

Technique

Hot Rolled

Application

Building, Home Appliance & Hardware Anti-Corrosion

Stock

Product Name

Carbon Steel Coil

Surface

Hot Rolled

Shape

Coil Roll

Technology

Cold Rolled.Hot Rolled

Spangle

Big Medium Small Zero

Package

Standard Seaworth Packing

Material

Q235/Q235B/Q345/Q345b/Q195/St37/St42/St37-2/St35.4

Transport Package

Standard Sea-Worthy Packing

Specification

1000mm 1200mm or customized

Trademark

GUO JIE

Origin

Shandong China

Production Capacity

50000tons/Year

Key features

Factory Direct Sales: Competitive factory-direct prices with no middleman markup.

Large Inventory: 10,000+ tons of stock available for immediate shipment.

Customization Support: Supports customization for material, shape, and surface treatment.

Quality Assurance: ISO, RoHS, SGS, and CE certified with third-party inspection welcome.

Free Samples: Free samples provided; freight cost deductible from future orders.

Robust Material: High-strength Q345 carbon steel for robust structural applications.

Global Experience: Serving 6,000+ customers across domestic and overseas markets.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityQuality Assurance

Shandong Guojie New Material Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤1.70h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier offering 3D design and broad customization, from prototypes to mass production. Its business scope covers metal materials, forgings, powder metallurgy, metal structures, hardware, and related construction materials. It reports inventory capability, export capability, and participation in an international metallurgy exhibition, but has no overseas warehouse, showroom, agent, or branch. Quality assurance and complaint/CAPA procedures exist, although no written records are available. RoHS compliance is stated, while no Fortune 500 cooperation is reported. Financial and production information is incomplete and internally difficult to interpret, so those areas require further verification.

Supplier typeThe supplier describes itself as supporting prototyping through mass production and is explicitly identified as a professional technical supplier. Its stated business scope includes metal materials, forgings, powder metallurgy products, metal structures, hardware, and related construction materials.

CertificationsRoHS is listed as a product compliance certification. No additional certifications or certification scope are provided, so the assessment is limited to this stated certification.

R&D capabilityThe supplier reports professional technical R&D capability, 3D software design services, and one R&D engineer. However, no SDK is available, and the limited staffing information does not establish broad or advanced innovation capacity.

Production capacityThe supplier states that it supports both single-piece prototyping and mass production, has inventory capability, and holds self-operated import/export rights. Nevertheless, no specific equipment, capacity, facility, workforce, or production-output data is provided.

Customization capabilityCustomization is explicitly offered through flexible, minor, and full customization, including customization from customer designs and samples. The supplier also states that it provides technical consulting and optimization recommendations.

Product Q&A

Q:Are you a trading company or a manufacturer?

We are the manufacturer. This means you get competitive factory-direct prices. We are also a professional export team, ensuring you receive expert service and reliable after-sales support.

Q:Will you deliver the goods on time?

Yes, we guarantee it. Our commitment to honesty means we deliver high-quality products on schedule, even if market prices change. You can rely on our stability and integrity.

Q:Do you accept a third-party inspection?

Yes, absolutely. We are confident in our quality and welcome independent verification, giving you complete peace of mind about the product standards.

Q:Do you provide samples? Are they free?

Yes, samples are free (you only pay the freight). This allows you to verify quality risk-free. The sample freight cost will be deducted from your future order, making it a no-cost investment for you.

Q:What is the lead time for orders?

Lead time varies by season: Peak Season is 6-12 months, and Off Season is 1-3 months.