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Carbon Steel Round Bar GB JIS DIN Standard, Engineering & Welding Use
US$468.00
5-49 Tons
US$446.00
50-99 Tons
US$397.00
100+ Tons

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

Q235, Q345, Q355

Type

Alloy Steel Bar

Standard

AISI, ASTM, GB, JIS

Technique

Hot Rolled

Application

Structural Steel Bar, Tool Steel Bar, Die Steel Bar

Surface Treatment

Polished

Alloy

Non-alloy

Special Use

Mold Steel, Free Cutting Steel, Cold Heading Steel

Shape

Round

Stock

in Stock

Diameter

10mm-100mm

Length

1-12m

Payment Term

30%Tt Advance + 70% Balance

Transport Package

Standard Sea-Worthy Packing

Specification

as your customized

Trademark

GUOJIE

Origin

China

Production Capacity

100000

Key features

Wide Diameter Range: Available in diameters from 6mm to 300mm for diverse engineering needs.
Free Samples: Free samples available with freight cost deductible from future orders.
Fast Delivery: In-stock goods delivered within 5-10 days for urgent projects.
Custom Cutting Service: Supports custom cutting for lengths ranging from 1m to 12m.
Multiple Standards Compliance: Meets AISI, ASTM, GB, JIS, DIN, BS, and ISO international standards.
Direct Manufacturer: Factory-direct pricing with professional export team and after-sales support

Company profile

Shandong Guojie New Material Co., Ltd.
Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityQuality Assurance
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:What grades of carbon steel bars do you provide?
A:
We supply 1020, 1045, 1055, 4130, 4140, 1214, 1215 and other common grades, including low carbon, medium carbon and alloy steel.
Q:What production process do you use?
A:
Mainly hot rolled process. The finished bars have smooth surface and stable overall performance.
Q:How about the machinability and weldability?
A:
Our carbon steel bars feature excellent cutting, drilling and welding performance, easy for secondary processing.
Q:What are the advantages of carbon steel bars?
A:
They have high strength, good toughness and wear resistance, not easy to deform under heavy load. Cost performance is outstanding.
Q:Can you customize sizes and cut to fixed lengths?
A:
Yes. We support custom diameters and cut-to-length service to meet different project needs.

Send Inquiry

*To:Shandong Guojie New Material Co., Ltd.Shandong Guojie New Material Co., Ltd.
*Content:
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