What is the maximum weight of forged products available?

The maximum piece weight for forged products can reach 50 tons.

What are the common applications for 4140 alloy steel?

It is used for axles, shafts, bolts, gears, mold bases, crankshafts, piston rods, hydraulic machinery shafts, and various automotive and aerospace components.

Does the company have stock available?

Yes, there are warehouses in Wuxi and Dongguan with over 20,000 tons of ex-stock available in various sizes.

Grade Cold Heading Steel Special Use SAE160 4140 Bright Bars

Name: Grade Cold Heading Steel Special Use SAE160 4140 Bright Bars
Brand: HUNAN QILU INDUSTRIAL CO., LTD.
SKU: 886019715

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

Type

Round

Standard

AISI, ASTM, DIN, JIS, GB, BS

Model NO.

Grade Cold Heading Steel Special Use SAE160 4140 B

Composition

Ferrous Steel Scrap

Technique

Forged

Shape

Bar

Surface Treatment

Polished

Special Use

Engineering Steel

Application

Structural Steel Bar

Heat Treatment

Annealed, Qt

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

Transport Package

Seaworthy Package

Specification

DIA 90-1200

Trademark

Qilu

Origin

China

HS Code

722840

Production Capacity

500, 000tons/Year

Key features

Wide Standard Compliance: Meets AISI, ASTM, DIN, JIS, GB, and BS international standards.

Superior Mechanical Properties: High tensile strength and heat treatment capabilities due to higher carbon content.

Versatile Heat Treatment: Available in Normalized, Annealed, Quenched, and Tempered conditions.

Extensive 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, yield, impact, hardness, grain size, and ultrasonic testing.

Global Export Experience: Over 11 years of exporting steel to Europe, Americas, Asia, and Africa.

Advanced Manufacturing Capacity: Equipped with 50t electric arc furnaces and up to 4500t forging units.

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: ≤4.56hTerms 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 equivalent grades for 4140 steel?

Equivalent grades include JIS G4105 (SCM440), DIN 17200 (42CrMo4), BS970 (EN19), ASTM A29 (4140), GB/T 3077 (42CrMo), and AS 1444 (4140).

Q:What is the delivery time for this product?

The standard delivery time is 30 days. During peak season, lead time is one month, while off-season lead time is within 15 workdays.

Q:What payment terms are accepted?

Accepted payment terms include T/T (30% deposit, balance against copy), L/C, Western Union, and Money Gram.

Q:What are the available surface treatments?

Surface treatments include Black, Peeled, Polished, Machined, Grinded, Turned, and Milled finishes.

Q:What are the mechanical properties of 4140 steel?

Properties include tensile strength, yield strength, elongation, reduction of area, hardness, impact value, and non-metallic inclusion levels, which vary based on heat treatment.