What surface treatments are available?

Options include shot/sand blast, polishing, passivation, powder coating, E-Coating, plating, and painting.

What is the forging tolerance?

The standard forging tolerance is +/-0.2mm.

Where are your products exported to?

Our products have a strong reputation in North America, Europe, Australia, and other global markets.

4140 Alloy Steel Hot Forging Gear Blank

Name: 4140 Alloy Steel Hot Forging Gear Blank
Brand: Qingdao Seger Industrial Co., Ltd.
SKU: 772152752

Shandong, ChinaQingdao Seger Industrial Co., Ltd.

US$10.00

1,000 Pieces

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Model NO.

OEM as your design

Molding Technics

Forged

Application

Auto Parts

Material

Steel

Heat Treatment

Quenching

Surface Treatment

Painting

Forging Tolerance

+/-0.2mm

Standard

AISI

Certification

ISO 9001:2008, Ts16949

Transport Package

Standard Packing

Specification

standard

Trademark

OEM

Origin

China

Production Capacity

300000PCS/Month

Key features

25+ Years Manufacturing Experience: Specialized in manufacturing forging parts for over 25 years with advanced equipment.

Wide Material Range: Carbon steel, Alloy steel, Stainless steel, and more available for customization.

ISO 9001 & TS16949 Certified: Complies with international standards with a zero-defect quality assurance system.

Customizable Surface Treatment: Options include painting, powder coating, plating, and shot blasting per customer needs.

High Precision Machining: Machining tolerance ranges from 0.02mm to 0.1mm with Ra 0.8-Ra3.2 surface quality.

Extensive Weight Capacity: Capable of producing forging parts ranging from 0.1kg to 120kg.

Comprehensive Heat Treatment: Services include normalization, quenching, tempering, case hardening, and nitriding.

Global Market Presence: Products exported to North America, Europe, Australia, and other international markets.

Company profile

High Repeat Buyers ChoiceQA/QC InspectorsR&D CapabilitiesManagement Certification

Qingdao Seger Industrial Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2013-03-01Nearest Port: QingdaoAverage Response Time: ≤2.33hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF, FAS, DDP, DAP

AI-Powered supplier vetting

SummaryQingdao Seger Industrial Co., Ltd. is identified as a Chinese limited company with trading-company characteristics, while another record classifies it as a manufacturer/factory. Its stated scope covers mechanical-equipment technology research, wholesale, after-sales service, and import/export. The supplier offers customization from samples and designs, full, minor, and flexible customization, plus ODM and OEM services. It reports ISO9001:2015 certification and describes inspection procedures, although finished-product inspection is random and conducted by one inspector. Export activity is substantial, with 90% of sales reportedly from exports and 12 years of exporting. Service procedures exist, but records for corrective actions and complaint handling are not documented. The available records do not establish strong financial performance, recent product innovation, 3D software or SDK capability, or customer-specific case evidence.

CertificationsThe supplier reports holding an ISO9001:2015 certificate. This is explicit evidence of a quality-management certification, although no additional certification details are provided.

R&D capabilityThe supplier explicitly lacks 3D software design services, SDK availability, and professional technical-supplier R&D capability, and reports no new products in the past year. It does provide ODM services, but this does not establish recent product innovation or advanced software-based R&D capability.

Production capacityThe supplier is described as a manufacturer/factory with advanced equipment, casting production to customer drawings or samples, and uniformly followed finished-product inspection instructions. However, finished-product inspection is random and handled by one quality inspector, so the evidence supports production capability but not a strong or comprehensive quality-control structure.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also reports ODM and OEM service capability, while its description confirms casting to customer-specific drawings and samples.

Product Q&A

Q:What materials are available for the forging parts?

We offer Carbon steel (1020-1055, Q235, Q345), Alloy steel (40Cr, 20CrMnTi, etc.), Stainless steel (SS304, SS316), and more.

Q:What is the production capacity and lead time?

Annual capacity is 15,000 tons. Lead time is 1-3 months for both peak and off-peak seasons.

Q:Do you offer OEM services with custom drawings?

Yes, we specialize in OEM parts with special drawings and samples for various industries.

Q:What is the minimum order quantity (MOQ)?

The MOQ for mass production is between 1,000 to 5,000 pieces.

Q:What quality certifications do you hold?

We are certified with ISO 9001:2008 and TS16949, ensuring high-quality standards.

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