What are the available forms and sizes?

Available forms include Round Bars, Flat Bars, Blocks, and Tubes. Flat bar lengths are typically 3000-5800mm.

What is the warranty period for this steel?

We offer a three-year warranty with quality assurance for all our steel products.

AISI M35 Skh55 1.3243 High Speed Tool Steel Flat Bar Black Surface

Name: AISI M35 Skh55 1.3243 High Speed Tool Steel Flat Bar Black Surface
Brand: HUNAN QILU INDUSTRIAL CO., LTD.
SKU: 1997832502

Hunan, ChinaHUNAN QILU INDUSTRIAL CO., LTD.

US$1,250.00-1,600.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Quality Assurance

Warranty

Three Years

Model NO.

1.3243

Type

Alloy Steel Flat Bar

Standard

AISI, ASTM, GB, JIS, DIN, BS

Technique

Cold Drawn

Application

Structural Steel Bar, Tool Steel Bar, Die Steel Bar

Surface Treatment

Polished

Special Use

Mold Steel, Free Cutting Steel, Cold Heading Steel

Payment Term

30% Tt Deposit, Balance Against Bl Copy

Length

3000-5800mm

Delivery Date

20 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

5% Cobalt Enhanced Performance: M35 steel contains 5% cobalt for superior hot hardness and wear resistance compared to M2.

High Hardness Capability: Suitable for heat treatment up to 66 HRC, offering excellent cutting performance.

Versatile Applications: Ideal for broaches, taps, milling cutters, reamers, hobs, shapers, and saw blades.

3-Year Warranty: Comprehensive three-year warranty with quality assurance for peace of mind.

Multiple Surface Options: Available in Black, Peeled, Polished, Machined, Grinded, and Turned finishes.

Fast Delivery Time: Standard delivery within 30-45 days, with ex-stock options available for some items.

Global Export Experience: 11+ years of export experience serving customers in North America, Europe, Asia, and Africa.

Customizable Dimensions: Flat bars available in lengths of 3000-5800mm, with other forms like round bars and blocks.

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 is the chemical composition of M35 steel?

M35 steel contains Carbon (0.82-0.95%), Silicon (0.2-0.45%), Manganese (0.15-0.4%), Chromium (3.8-4.5%), Molybdenum (4.75-5.25%), Vanadium (1.75-2.15%), Tungsten (5.5-6.5%), and Cobalt (4.6-5%).

Q:What are the equivalent standards for M35 steel?

M35 is equivalent to JIS SKH55, DIN 1.3243/HS6-5-2-5, and ASTM A681 M35.

Q:What payment terms are accepted?

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

Q:What is the delivery time for orders?

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

Q:What certifications are provided with the product?

We provide ISO certification and Mill Certificates to ensure quality and compliance with standards.