What is the maximum weight of a single forged piece?

The maximum piece weight can reach 50 tons.

Do you offer heat treatment services?

Yes, we have our own heat treatment shop offering normalized, annealed, quenched, and tempered services.

What are the main applications for this steel?

It is used for axles, bolts, gears, shafts, crankshafts, and various cutting tools.

1045 4130 4140 42CrMo4 Steel Round Bar All Sizes

Name: 1045 4130 4140 42CrMo4 Steel Round Bar All Sizes
Brand: HUNAN QILU INDUSTRIAL CO., LTD.
SKU: 877436845

Hunan, ChinaHUNAN QILU INDUSTRIAL CO., LTD.

US$700.00-1,200.00

1 Ton

Product profile

Customization

Available

Type

Steel Plate

Standard

ASTM, AISI, GB, JIS, DIN, BS

Model NO.

1045 Steel Round Bar Sizes

Certification

ISO, RoHS, IBR

Surface Treatment

Blackface

Technique

Hot Rolled

Application

Mold & Dies, Ship Plate, Boiler Plate, Container Plate, Flange Plate

Special Use

Cutting Tools, Measuring Tools, Cutters in Common Steel, High-strength Steel Plate, Wear Resistant Steel

Stock

Model No.

1045 Carbon Steel Round Bar

Factory

Yes

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

Usage

Automotive, Aerospace, Power Generation, Oil & Gas

Service

24 Hours on Line

Other Type 1

Engineering Steel, Cold Work Tool Steel

Other Type 2

Hot Work Tool Steel, Plastic Mold Steel

Other Type 3

Spring Steel, High Speed Steel, Stainless Steel

Transport Package

Bulk Packing

Specification

ISO 9001-2000

Trademark

Qilu

Origin

China

HS Code

7214100000

Production Capacity

500, 000tons/Year

Key features

Comprehensive Certification: ISO, RoHS, IBR certified with ASTM, AISI, GB, JIS, DIN, BS standards compliance.

Extensive Size Range: Round bars from 6mm to 1200mm diameter, plates up to 500mm thickness available.

Multiple Surface Options: Black, peeled, polished, machined, grinded, turned, and milled surface treatments.

Flexible Heat Treatment: Options include normalized, annealed, quenched, and tempered processes.

High-Grade Materials: Available in 1045, 4130, 4140, 42CrMo4, and various alloy and tool steels.

Advanced Manufacturing: EAF+LF+VD+Forged process with 50t electric arc furnaces and 4500t forging units.

Global Stock Availability: Over 20,000 tons in stock across Wuxi and Dongguan warehouses.

Wide Industry Application: Suitable for automotive, aerospace, power generation, oil & gas, and tooling.

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: ≤1.87hTerms 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.