High Strength Black Seamless Carbon Steel Pipe for Foundation and Support Structure

Name: High Strength Black Seamless Carbon Steel Pipe for Foundation and Support Structure
Brand: Shandong Guojie New Material Co., Ltd.
SKU: 2319191115

Shandong, ChinaShandong Guojie New Material Co., Ltd.

US$448.00

5-49 Tons

US$426.00

50-99 Tons

US$416.00

100+ Tons

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

21.3~610mm

Standard

AISI, JIS, ASTM, DIN, BS, GB

Certification

ABS, RoHS

Technique

Hot Rolled

Wall Thickness

Thick

Surface Treatment

Coated

Alloy

Non-alloy

MOQ

1 Ton

Non-Destructive Test

Hydrostatic, Ut, Eddy Current Testing

Advantage

Quality+Competitive Price+Professional Service

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automob

Ends

Plain or Beveled

Transport Package

Container

Specification

Customizable

Trademark

GUOJIE

Origin

China

Production Capacity

100000

Key features

Factory Direct Pricing: Competitive prices from our own manufacturing facility with professional export service.

Customizable Material Grades: Available in Q235B, Q355B, S235JR, S355JR, A36 to meet diverse load-bearing requirements.

Wide Thickness Range: Wall thickness options from 0.3mm to 30mm for various structural applications.

Multiple Certification Standards: Compliant with ABS, RoHS, ASTM, EN, JIS, and GB international standards.

Free Sample Availability: Free samples provided (buyer pays freight), with cost deducted from future orders.

Third-Party Inspection Accepted: Welcomes independent verification including Hydrostatic, UT, and Eddy Current testing.

High Mechanical Strength: Features high tensile strength, good yield strength, and impact resistance for harsh conditions.

Versatile Industrial Applications: Suitable for bridges, boilers, shipbuilding, roofing, and general structural uses.

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: ≤1.18h

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.