What is the maximum piece weight?

The maximum piece weight can reach 50 tons.

Do you have stock available?

Yes, we maintain over 20,000 tons of ex-stock in Wuxi and Dongguan cities.

What are the main applications of this steel?

It is used for forged down-hole drilling tools, gears, shafts, rolls, pump shafts, and tool holders.

Forged AISI 4145 JIS Scm445 Tool Steel Round Bar

Name: Forged AISI 4145 JIS Scm445 Tool Steel Round Bar
Brand: HUNAN QILU INDUSTRIAL CO., LTD.
SKU: 2001725395

Hunan, ChinaHUNAN QILU INDUSTRIAL CO., LTD.

US$800.00-1,200.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

Three Years

Model NO.

4145 SCM445

Type

Alloy Steel Bar

Standard

AISI, ASTM, GB, JIS, DIN, BS

Technique

Forged

Application

Tool Steel Bar

Surface Treatment

Polished

Alloy

Special Use

Engineering Steel

Payment Term

30% Tt Deposit, Balance Against Bl Copy

Length

3000-5800mm

Ex-Stock

Delivery Date

30 Days

Ut Standard

Sep 1921-84 D/D

Grain Size

ASTM E112

Non-Metallic Inclusiton

ASTM E45

Shape

Round Bars/ Flat Bar / Blocks/ Tube

Heat Treatment

Annealed/Qt

Experience

15 Years Manufacturer Experience

Transport Package

Seaworthy Package

Specification

DIA 90-600

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 varied strength levels.

Wide Size Range: Round bars from 6mm to 1200mm diameter; plates up to 500mm thickness and 1000mm width.

Comprehensive Testing: Includes tensile, yield, impact, hardness, grain size, ultrasonic, and magnetic particle testing.

Global Industry Application: Used in oil & gas drilling, automotive, aerospace, power generation, and transportation sectors.

Advanced Manufacturing: Produced using 50t electric arc furnaces and up to 4500t forging units for high precision.

Multiple Surface Options: Offers Black, Peeled, Polished, Machined, Grinded, Turned, and Milled surface finishes.

Long Manufacturer Experience: Over 15 years of experience with parent company specializing in special steel since 1965.

Flexible Payment Terms: Accepts T/T, L/C, Western Union, and Small-amount payment methods.

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: ≤4.73hTerms 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.