What are the main applications for 6150 steel?

It is used for heavily stressed machinery parts such as shafts, gears, pinions, hand tools, and in the motor vehicle industry.

What testing services are provided?

Testing includes Tensile strength, Yield strength, Elongation, Impact value, Hardness, Grain size, Ultrasonic test, and Magnetic particle testing.

Can you supply custom sizes?

Yes, we offer round bars from 6mm to 1200mm diameter and plates from 6mm to 500mm thickness, with various surface finishes available.

Cold Drawn 51CRV4 Sup10 Carbon Steel Round Bars/Plate

Name: Cold Drawn 51CRV4 Sup10 Carbon Steel Round Bars/Plate
Brand: HUNAN QILU INDUSTRIAL CO., LTD.
SKU: 2004100875

Hunan, ChinaHUNAN QILU INDUSTRIAL CO., LTD.

US$1,000.00-1,200.00

1 Ton

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Type

Round

Standard

AISI, ASTM, DIN, JIS, GB, BS

Model NO.

6150

Composition

Ferrous Steel Scrap

Technique

Forged

Shape

Bar

Surface Treatment

Polished

Special Use

Spring Steel

Application

Structural Steel Bar

Payment Term

30% Tt Deposit, Balance Against Bl Copy

Length

6000mm, 9000mm, 1200mm

Ex-Stock

Delivery Date

30 Days

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; Turned

Test

Ensile Strength, Yield Strength, Elongation

Certificate

ISO/ Mill Certificate

Experience

15 Years Manufacturer Experience

Transport Package

Seaworthy Package

Specification

DIA 6-1200

Trademark

Qilu

Origin

China

HS Code

722840

Production Capacity

500, 000tons/Year

Key features

Versatile Heat Treatment: Available in Normalized, Annealed, Quenched, and Tempered states for optimized properties.

Wide Size Range: Round bars from 6mm to 1200mm diameter; plates from 6mm to 500mm thickness.

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

Comprehensive Testing: Includes Tensile strength, Yield strength, Elongation, Grain size, and Ultrasonic tests.

Global Standard Compliance: Meets AISI, ASTM, DIN, JIS, GB, and BS standards with Mill Certificates.

High Strength Application: Ideal for heavily stressed parts like shafts, gears, and automotive components.

Flexible Delivery Options: Supply in Hot forged, Hot rolled, or Cold drawn conditions based on requirements.

Experienced Manufacturer: 15 years of experience with advanced smelting and forging facilities in China.

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: ≤2.10hTerms 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 available delivery conditions?

For hot forged or hot rolled bars, conditions include annealed or rough turned. For plates, options are hot forged with milled surface or hot rolled with black surface.

Q:What heat treatment options are available?

The steel can be processed via Normalized, Annealed, Quenched, or Tempered heat treatments depending on the required mechanical properties.

Q:What is the typical delivery time?

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

Q:What payment terms are accepted?

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

Q:What standards does this steel comply with?

The product complies with international standards including AISI, ASTM, DIN, JIS, GB, and BS.