What are the main applications for AISI O2 steel?

It is used for universal tooling, plastic molds, stamping tools, shear blades, and cutting tools.

Can you supply custom sizes or shapes?

Yes, we can supply custom lengths, blocks, tubes, and other shapes as per customer requests.

What is the hardness after quenching?

The hardness after quenching ranges from 63 to 65 HRC for thicknesses up to 20mm.

1.2842 9Mn2V 90mncrv8 High Carbon Alloy Steel Flat Bar

Name: 1.2842 9Mn2V 90mncrv8 High Carbon Alloy Steel Flat Bar
Brand: HUNAN QILU INDUSTRIAL CO., LTD.
SKU: 2015371052

Hunan, ChinaHUNAN QILU INDUSTRIAL CO., LTD.

US$800.00-1,000.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Technique

Cold Drawn

Standard

AISI, JIS, ASTM, DIN, BS, GB

Model NO.

9Mn2V

Certification

IS0, RoHS, ABS

Payment Term

30% Tt Deposit, Balance Against Bl Copy

Length

3000-6000mm

Delivery Date

18 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

Versatile Heat Treatment: Available in Normalized, Annealed, Quenched, and Tempered states for specific hardness requirements.

Wide Size Range: Round bars from 6mm to 1200mm diameter and flat plates up to 500mm thickness available.

Multiple Surface Finishes: Options include Black, Peeled, Polished, Machined, Grinded, Turned, and Milled surfaces.

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

High Wear Resistance: Excellent durability and cutting edge retention suitable for high-stress applications.

Customizable Dimensions: Lengths from 3000mm to 5800mm and custom shapes like blocks and tubes available upon request.

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

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

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: ≤3.29hTerms 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.