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100Cr6 Bearing Steel Tube
xxheise
100Cr6 Bearing Steel Tube is a high-carbon chromium through-hardening seamless steel tube manufactured to EN ISO 683-17 and DIN 17230 standards. It is the European benchmark grade for rolling-element bearing components, delivering excellent surface hardness, superior wear resistance and high rolling contact fatigue strength after quenching and low-temperature tempering. Supplied in spheroidized annealed condition for machinability, with full mill test certification.
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Email ：elena@shengxisteel.com

- PRODUCT PARAMETERS -

Product Attributes:


Item

Details

Product name

100Cr6 Bearing Steel Tube

Material

EN ISO 683-17, DIN 17230, 100Cr6 (1.3505)

Size

OD 10–250mm, WT 2–30mm, or as your request

Standard

EN ISO 683-17, DIN 17230

Technique

Seamless, Hot rolled / Cold drawn, Spheroidized annealed

Application

Bearing rings, bearing races, bushings, roller sleeves, precision mechanical components


Product Information Table

Item

Details

Product name

100Cr6 Bearing Steel Tube

Material

100Cr6 (1.3505)

Standard

EN ISO 683-17, DIN 17230

Type

High-carbon chromium through-hardening bearing steel tube

Product

Seamless bearing steel tube — hot rolled, cold drawn, precision

Application

Bearing rings, bearing races, bushings, roller sleeves, precision mechanical components

Explanation

100Cr6 is the European standard high-carbon chromium bearing steel supplied in spheroidized annealed condition. After quenching and low-temperature tempering, it achieves 60–66 HRC surface hardness with uniform through-hardened microstructure, ideal for rolling contact fatigue applications.


Chemical Composition (wt.%)


Carbon C

Silicon Si

Manganese Mn

Chromium Cr

Phosphorus P

Sulfur S

0.98~1.10

0.15~0.35

0.25~0.45

1.30~1.60

≤0.025

≤0.025


Mechanical Properties


Condition

Wall Thickness (mm)

Details


Explanation

Annealed (as-supplied)

≤30

Hardness (HB)

≤217

Spheroidized annealed, machinable

Quenched & Tempered

≤30

Hardness (HRC)

60~66

After oil quench + low temp temper


Product Selling Points


Manufactured according to EN-ISO 683-17 and DIN 17230, this 100Cr6 bearing steel tube features high hardness and outstanding wear resistance after proper heat treatment for precision bearing components.

Fine and uniform carbide microstructure provides excellent contact-fatigue performance, suitable for high-speed and heavy-load bearing bushing, roller and inner-race machining.

Clean-material production with strictly-controlled internal defects, stable dimensional accuracy and smooth inner-outer surface for high-precision mechanical processing.

Good machinability under annealed condition, support custom cutting and sizing service to shorten customer-production cycle for bearing-part fabrication.

Complete mill test certificates are offered, consistent chemical and mechanical properties for automotive, machinery and general-industrial bearing-system applications.


- FACTORY DISPLAY -

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We have our own independent factory which can provide one-stop service for steel cutting, forming and surface treatment. The factory has a strict quality inspection system and various precision testing instruments, and has passed all the third party quality tests such as SGS, BV and CE.

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【 OUR CERTIFICATIONS 】

- CUSTOMER VISITS -

We are listed as a high-quality supplier by many overseas customers andforeign trade companies.

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- PRODUCTION AND PROCESSING -

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- PACKING & DELIVERY -

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- FAQ -

Q1. What is 100Cr6 bearing steel?

100Cr6 (Material No. 1.3505) is a high-carbon chromium alloy steel widely used for anti-friction bearings in European standards. It contains approximately 1.0% carbon and 1.5% chromium, providing through-hardening capability and excellent wear resistance after heat treatment.

Q2. What standards does your 100Cr6 bearing steel tube comply with?

Our 100Cr6 bearing steel tube is manufactured and tested in accordance with EN ISO 683-17 (Heat-treated steels, alloy steels and free-cutting steels — Part 17: Ball and roller bearing steels) and DIN 17230. Full MTC is provided with every shipment.

Q3. What sizes and forms are available?

We supply 100Cr6 seamless bearing steel tubes with outer diameter ranging from 10mm to 250mm and wall thickness from 2mm to 30mm. Available forms include hot-rolled, cold-drawn, and precision finished tubes. Cut-to-length service is available per customer specification.

Q4. What are typical applications of 100Cr6 bearing steel tube?

100Cr6 tube is primarily used for manufacturing bearing inner and outer rings, bearing races, bushings, roller sleeves, and precision cylindrical components requiring high hardness, dimensional accuracy and wear resistance.

Q5. How does 100Cr6 compare to other common bearing steel grades?

100Cr6 is the European equivalent of AISI 52100 (US), SUJ2 (Japan) and GCr15 (China). All are high-carbon chromium bearing steels with very similar composition and performance, designed for rolling-element bearing applications.


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