What is the delivery time for orders?

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

What certifications does the product have?

The product is certified with RoHS, CE, and ISO standards.

What are the common applications for 8620 alloy steel?

It is used for Arbors, Bearings, Bushings, Cam Shafts, Gears, Splined Shafts, and other parts requiring carburizing.

45crmo4 8620 4340 Alloy Steel Sheet Plate

Name: 45crmo4 8620 4340 Alloy Steel Sheet Plate
Brand: HUNAN QILU INDUSTRIAL CO., LTD.
SKU: 2012403445

Hunan, ChinaHUNAN QILU INDUSTRIAL CO., LTD.

US$700.00-900.00

1 Ton

Sample price:US$0.00/ton.Request sample

Product profile

Customization

Available

Type

Steel Plate

Standard

AISI, ASTM, DIN, JIS, GB, BS

Model NO.

45crmo4 8620 4340

Composition

Forging Steel

Technique

Forged

Shape

Plate

Surface Treatment

Black Surface/Turned/Rough Machined/Peeled

Special Use

Structural Steel Bar, Engineering Mechanical Steel

Application

Structural Steel Bar, Engineering Mechanical Steel

Certification

RoHS, CE, ISO

Transport Package

Bulk Package

Specification

ISO 9001-2000

Trademark

Qilu

Origin

China

HS Code

722840

Production Capacity

500, 000ton/Year

Key features

High Wear Resistance: 8620 steel offers high external and internal strength, making it highly wear resistant for demanding applications.

Flexible Hardening: Flexible during hardening treatments, enabling improvement of case and core properties via nitriding.

Wide Size Range: Available in Plate/Flat/Block with thickness 6mm-500mm and width 20mm-1000mm.

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

Certified Quality: Products are certified with RoHS, CE, and ISO standards for quality assurance.

Fast Delivery: Delivery time is 30-45 days, with over 20,000 tons of stock available for immediate supply.

Versatile Applications: Ideal for Arbors, Bearings, Gears, Shafts, and other parts requiring carburizing and machining.

Advanced Manufacturing: Equipped with 50t electric arc furnaces and 4500t forging units for high-quality production.

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: ≤4.74hTerms 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 8620 steel?

8620 steel contains C: 0.18-0.23%, Si: 0.15-0.35%, Mn: 0.7-0.9%, P: 0.035%, S: 0.04%, Cr: 0.4-0.6%, Mo: 0.15-0.25%, and Ni: 0.4-0.7%.

Q:What are the equivalent standards for 8620 steel?

Equivalent standards include JIS G4103 (SNCM220), DIN 1654 (21NiCrMo2/1.6523), BS970 (805M20), and ASTM A29 (8620).

Q:What are the mechanical properties of 8620 steel?

Properties include tensile strength, yield strength, elongation, hardness, and impact value, which vary based on heat treatment such as normalized, tempered, or QT.

Q:What is the maximum hardness of 8620 steel?

Generally supplied in the as rolled condition with a maximum hardness of HB 255.

Q:What payment terms are accepted?

Accepted payment terms include T/T, L/C, Money Gram, and PayPal.