What industries is this steel suitable for?

It is widely used in aerospace, automotive, oil & gas, defense, and machine tool industries.

What mechanical properties are tested?

Tests include tensile strength, yield strength, elongation, hardness, impact value, and grain size.

What are the size specifications for the products?

Round bars range from 6-1200mm diameter, and plates/blocks range from 6mm-500mm thickness.

30CrMo Scm430 25crmo4 1.7218 AISI 4130 Alloy Structural Steel Flat

Name: 30CrMo Scm430 25crmo4 1.7218 AISI 4130 Alloy Structural Steel Flat
Brand: HUNAN QILU INDUSTRIAL CO., LTD.
SKU: 1997209322

Hunan, ChinaHUNAN QILU INDUSTRIAL CO., LTD.

US$499.00-699.00

2 Tons

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Technique

Hot Rolled

Standard

AISI, JIS, ASTM, DIN, BS, GB

Model NO.

4130

Certification

IS0, RoHS, ABS

Payment Term

30% Tt Deposit, Balance Against Bl Copy

Length

3000-5800mm

Delivery Date

30 Days

Ex-Stock

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; Turne

Test

Ensile Strength, Yield Strength, Elongation

Certificate

ISO/ Mill Certificate

Transport Package

Seaworthy Package

Trademark

Qilu

Origin

China

HS Code

7228400000

Production Capacity

400, 000ton/Year

Key features

Wide Range of Heat Treatments: Available in Normalized, Annealed, Quenched, and Tempered conditions.

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

Extensive Size Specifications: Round bars from 6-1200mm diameter; Plates/Blocks from 6mm-500mm thickness.

Comprehensive Mechanical Testing: Includes tensile strength, yield strength, elongation, hardness, and ultrasonic tests.

Global Industry Applications: Suitable for aerospace, automotive, oil & gas, and defense industries.

Flexible Payment Terms: Accepts T/T, L/C, Western Union, and Money Gram.

Fast Delivery Capability: Standard delivery within 30-45 days with 20,000 tons ex-stock available.

Multiple International Standards: Complies with AISI, JIS, ASTM, DIN, BS, and GB standards.

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: ≤2.59hTerms 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.