What are the available pipe sizes and grades?

Available grades include K9-K12 and C25-C40. Outside Diameter ranges from 98mm-1255mm, and Wall Thickness from 6mm-153mm.

Premium Ductile Iron Pipes with Custom Diameters for Durability

Name: Premium Ductile Iron Pipes with Custom Diameters for Durability
Brand: Shandong Guojie New Material Co., Ltd.
SKU: 2274296765

Shandong, ChinaShandong Guojie New Material Co., Ltd.

US$582.00

1-99 Tons

US$543.00

100-499 Tons

US$495.00

500+ Tons

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Corrosion Resistance

Medium Corrosion Resistance

Installation Method

Direct Burial

Model NO.

K8, K9, K10, K11, K12, C25, C30, C40, etc.

Length

as Your Requirement

Material

Carbon Steel

Pipe Diameter

as Your Requirement

Pipe Thickness

Schedule 40

Pipe Type

Service Pipe

Item

Ductile Iron Pipe

Grade

K9, K10, K11, K12, K8, C25, C30, C40, etc.

Hardness

220

Pull Strength

420

Yield (≥ MPa)

300

Surface

External Bitumen Coating, or as Required.

Application

Fluid Pipe, Boiler Pipe, Drill Pipe

Outside Diameter

98mm-1255mm

Inside Diameter

80mm-1200mm

Wall Thickness

6mm-153mm

Transport Package

Standard Seaworthy Package

Specification

as your customized

Trademark

Guojie

Origin

China

Production Capacity

50000 Tons/Year

Key features

Customizable Dimensions: Pipe diameter, length, and surface coating are fully customizable to meet specific project requirements.

High-Grade Materials: Manufactured from K9-K12 and C25-C40 grades with external bitumen coating for durability.

Strict Quality Control: Each furnace is analyzed for composition, and pipes undergo water-cooled centrifugal casting and annealing.

Wide Application Range: Suitable for water supply, drainage, sewage, irrigation, and boiler pipes with various joint types.

Factory-Direct Pricing: Direct manufacturer sales ensure competitive prices and professional export team support.

Free Sample Policy: Free samples provided to verify quality; freight cost is deductible from future bulk orders.

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: ≤2.15h

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 production?

Lead times vary by season: Peak Season Lead Time is 6-12 months, while Off Season Lead Time is 1-3 months.