What is the MOQ or stock availability?

We maintain over 20,000 tons of ex-stock in Wuxi and Dongguan. Specific items may vary, so please contact sales for current stock status.

What certifications or standards does the steel meet?

The steel meets standards such as AISI, ASTM, DIN, JIS, GB/T, and BS970. Chemical composition and mechanical properties are tested accordingly.

What is the maximum weight for forged pieces?

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

Alloy Steel Flat Bar (DIN 1.7225)

Name: Alloy Steel Flat Bar (DIN 1.7225)
Brand: HUNAN QILU INDUSTRIAL CO., LTD.
SKU: 670760252

Hunan, ChinaHUNAN QILU INDUSTRIAL CO., LTD.

US$800.00-1,500.00

1 Ton

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Type

Square

Standard

AISI, ASTM

Model NO.

DIN 1.7225

Composition

Ferrous Steel Scrap

Technique

Forged

Shape

Block

Surface Treatment

Polished

Application

Tool 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

Bulk Packing

Specification

DIN

Trademark

Qilu

Origin

China

HS Code

722840

Production Capacity

500, 000tons/Year

Key features

High Strength Alloy: AISI 4140 steel offers greater strength and heat treatment capabilities compared to 4130 grade.

Wide Size Range: Available in Round Dia 6-1200mm, Plate/Flat/Block Thickness 6mm-500mm, Width 20mm-1000mm.

Custom Heat Treatment: Options include Annealed, Quenched, Tempered, and Normalized to meet specific mechanical property needs.

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

Extensive Applications: Suitable for axles, shafts, bolts, gears, molds, hydraulic machinery, and automotive components.

Large Stock Capacity: Over 20,000 tons of ex-stock available in Wuxi and Dongguan with various sizes.

Advanced Manufacturing: Equipped with 50t electric arc furnaces, 4500t forging units, and own heat treatment shop.

Global Export Experience: 11 years of export experience serving markets in Europe, America, Asia, Africa, and Australia.

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: ≤4.43hTerms 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 is the difference between AISI 4140 and 4130 steel?

AISI 4140 has a slightly higher carbon content than 4130, providing greater strength and heat treatment capabilities, though it has inferior weldability.

Q:What heat treatment options are available?

We offer Normalized, Annealed, Quenched, and Tempered treatments to achieve different mechanical properties.

Q:What are the standard delivery conditions?

Delivery conditions depend on the product type: hot forged bars are usually annealed/QT with rough turned/black surface; cold drawn bars are peeled/black surface.

Q:What is the typical delivery time?

The standard delivery time is 30-45 days. Peak season lead time is one month, while off-season is within 15 workdays.

Q:What payment terms are accepted?

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