What are the mechanical properties of this steel?

Tensile strength is 880-1100MPa, yield point is 635MPa, with elongation of 11% and impact value of 40-60J.

Do you have stock available?

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

AISI 3115 Hot Forged Rolled Qt Flat Rods Special Steel

Name: AISI 3115 Hot Forged Rolled Qt Flat Rods Special Steel
Brand: HUNAN QILU INDUSTRIAL CO., LTD.
SKU: 1971057775

Hunan, ChinaHUNAN QILU INDUSTRIAL CO., LTD.

US$700.00-1,200.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

Three Years

Model NO.

3115

Type

Alloy Steel Bar

Standard

AISI, ASTM, GB, JIS, DIN, BS

Technique

Hot Rolled

Surface Treatment

Polished

Special Use

Engineering Steel

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

Thickness 8-800

Trademark

Qilu

Origin

China

HS Code

722840

Production Capacity

500, 000tons/Year

Key features

Three-Year Warranty: Comprehensive warranty coverage for three years on all mechanical equipment.

Custom Heat Treatment: Options include Annealed, Quenched, and Tempered (QT) processes.

Wide Size Range: Available in Round Dia 6-1000mm and Plate/Flat Thickness 6-500mm.

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

Fast Delivery: Standard delivery time is 30 days with peak season lead time of one month.

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

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

High Mechanical Strength: Tensile strength ranges from 880-1100MPa with excellent toughness.

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: ≤4.75hTerms 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.