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High Speed Tool Steel Skh3 T4 1.3255 Round or Square Bar&Rod
US$1,000.00-1,200.00
1 Ton
Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Type

Alloy Steel Bar

Standard

AISI, ASTM, DIN, JIS, GB, BS

Model NO.

T4

Technique

Hot Rolled

Surface Treatment

Polished

Special Use

High-strength Steel Plate, Engineering Steel

Heat Treatment

Annealed, Qt

Payment Term

30% Tt Deposit, Balance Against Bl Copy

Length

3000-5800mm

Ex-Stock

No

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

2-200mm

Trademark

Qilu

Origin

China

HS Code

722840

Production Capacity

500, 000tons/Year

Key features

High Cobalt Content: Contains 4.25-5.75% cobalt for superior heat resistance and red hardness.
High Hardness: Capable of achieving Rockwell C 64 hardness for deep hardening applications.
Versatile Shapes: Available in round bars, square bars, plates, and flat blocks.
Multiple Surface Options: Offers polished, black, peeled, machined, and ground surface conditions.
Wide Size Range: Round dia 2-200mm; Plate thickness 2-20mm; Width 200-810mm.
Custom Heat Treatment: Options include annealed, quenched, tempered, and normalized treatments.
Extensive Testing: Includes tensile, yield, impact, hardness, grain size, and ultrasonic tests.
Proven Manufacturer: 11 years export experience with advanced smelting and forging facilities.

Company profile

HUNAN QILU INDUSTRIAL CO., LTD.
Importers and ExportersHigh Repeat Buyers ChoiceFast DeliveryLow MOQ
Business Type: Manufacturer/FactoryExport Year: 2008-06-01Nearest Port: SHANGHAI, NINGBO, QINGDAOAverage Response Time: ≤4.22hTerms 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 cobalt content in T4 steel?
A:
T4 steel contains 4.25-5.75% cobalt, which increases heat resistance and red hardness compared to T1 steel.
Q:What is the maximum hardness of AISI T4 steel?
A:
AISI T4 steel is a deep hardening alloy capable of achieving Rockwell C 64 hardness.
Q:What shapes are available for this product?
A:
The product is available in round bars, square bars, plates, flat bars, and blocks.
Q:What surface treatments are offered?
A:
Surface conditions include black, peeled, polished, machined, ground, and turned finishes.
Q:What are the typical applications for T4 steel?
A:
It is widely used for cutting tools, broaches, cold extrusion punches, drills, milling cutters, and thread cutting tools.

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