What is the lead time for delivery?

The standard delivery time is 30 to 45 days, with peak season taking one month and off-season within 15 workdays.

Does the company have stock available?

Yes, we maintain over 20,000 tons of ex-stock inventory in Wuxi and Dongguan with various sizes.

What certifications does the product hold?

The product holds ISO, RoHS, and ABS certifications and comes with Mill Certificates.

1.6747 4330V Hot Forged Hot Rolled Alloy Flat Steel Bar

Name: 1.6747 4330V Hot Forged Hot Rolled Alloy Flat Steel Bar
Brand: HUNAN QILU INDUSTRIAL CO., LTD.
SKU: 2053905932

Hunan, ChinaHUNAN QILU INDUSTRIAL CO., LTD.

US$850.00-1,150.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Technique

Hot Rolled

Standard

AISI, JIS, ASTM, DIN, BS, GB

Model NO.

4330V

Certification

IS0, RoHS, ABS

Payment Term

30% Tt Deposit, Balance Against Bl Copy

Length

3000-5800mm

Delivery Date

30 Days

Ex-Stock

Ut Standard

Sep 1921-84 D/D

Grain Size

ASTM E112

Non-Metallic Inclusiton

ASTM E45

Form

Round Bars/ Flat Bar / Blocks/ Tube

Process

Eaf+Lf+Vd+Forged+Heat Treatment(Optional)

Technology

Hot Rolled/ Forged/ Cold Drawn

Heat Treatment

Normalized;Annealed ;Quenched ;Tempered

Surface

Black; Peeled; Polished; Machined; Grinded; Turne

Test

Ensile Strength, Yield Strength, Elongation

Certificate

ISO/ Mill Certificate

Transport Package

Seaworthy Package

Trademark

Qilu

Origin

China

HS Code

7228400000

Production Capacity

400, 000ton/Year

Key features

High Toughness and Strength: Medium carbon low alloy steel known for toughness in large sections with tensile range of 930-1080 Mpa.

Versatile Heat Treatment: Available in normalized, annealed, quenched, and tempered conditions with specific tempering guidelines.

Excellent Machinability: Can be machined by all customary methods and offers good ductility in annealed condition.

Superior Surface Hardening: Can be further surface hardened by flame, induction, or nitriding to achieve hardness up to Rc 60.

Wide Size Range: Available in round bars 6-1200mm diameter and plates 6-500mm thickness up to 1000mm width.

Comprehensive Testing: Includes tensile strength, yield strength, elongation, grain size, and ultrasonic testing.

Global Standard Compliance: Meets AISI, JIS, ASTM, DIN, BS, and GB standards with ISO and RoHS certifications.

Fast Delivery Capability: 30-45 days delivery time with over 20,000 tons of ex-stock inventory available.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceFast DeliveryLow MOQ

HUNAN QILU INDUSTRIAL CO., LTD.

Hunan, China

Business Type: Manufacturer/FactoryExport Year: 2008-06-01Nearest Port: SHANGHAI, NINGBO, QINGDAOAverage Response Time: ≤4.22hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as HUNAN QILU INDUSTRIAL CO., LTD., a China-based limited company with conflicting classifications as both a trading company and manufacturer/factory. It has broad steel-related business activities, extensive stated export markets, self-operated import/export rights, and eight years of export experience. Customization, ODM, and OEM capabilities are explicitly reported. However, service-management documentation is absent, including supplier approval, corrective-action, and complaint-handling procedures. No in-stock, overseas warehouse, showroom, agent, or branch capability is reported. Financial records are referenced for 2021–2023, but no substantive financial performance evidence is provided. Production volumes and staffing are stated, although the supplier’s trading-company classification creates uncertainty regarding direct manufacturing capacity. No certifications or customer cases are documented.

After-Sales capabilityThe supplier reports no written procedures or records for service-capability assessment, corrective and preventive actions, or customer-complaint handling. It also reports no in-stock service, overseas warehouse, showroom, agent, or branch capability, although lead times are stated as one month in both peak and off-season periods.

R&D capabilityThe supplier reports total R&D-engineer experience of 6–10 years and offers ODM services, indicating some design and development capability. However, it has no available SDK, and the slices do not provide concrete innovation outputs, patents, or product-development records.

Production capacityThe supplier states production categories covering cold-drawn material, steel round bar, steel plate, and steel pipe, with substantial annual output figures and 11–20 quality-control staff. However, its classification as both trading company and manufacturer/factory is inconsistent, so the extent of directly controlled production capacity requires verification.

Customization capabilityFlexible customization is explicitly reported, together with ODM service availability and OEM service for popular brands. These statements provide direct evidence of customization and outsourced-brand production capability.

Product Q&A

Q:What are the main applications for 4340 alloy steel?

It is used for aircraft landing gear, automotive parts, oil and gas drilling, power transmission gears, heavy duty shafts, gears, axles, and structural components.

Q:What is the tensile strength range for 4340 steel?

The steel is generally supplied hardened and tempered in a tensile range of 930 to 1080 Mpa.

Q:Can 4340 steel be welded?

Yes, fusion and resistance welding are possible with this alloy steel.

Q:What are the available surface finishes?

Options include Black, Peeled, Polished, Machined, Grinded, Turned, and Milled.

Q:What are the payment terms?

We accept T/T (30% deposit, balance against BL copy), L/C, Western Union, and Money Gram.