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8620H carburizing steel tubing for anti-friction bearing

Payment Type:
L/C,T/T,D/P,Paypal,Western Union
Incoterm:
FOB,CFR,CIF
Min. Order:
1 Ton
Transportation:
Ocean,Land
Port:
Ningbo,Shanghai
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  • Product Description
Overview
Product Attributes

Model No.8620H

BrandHuiJie

UsageSpecial Purpose

TypeSeamless

TechniqueCold Drawn

MaterialAlloy Steel

Surface TreatmentBlack

Section ShapeRound

Heat-treatmentStress Released Or Spheroidized Annealled

Grain SizeMin ASTM 8

StandardEN10084 1.7147

Similar Steel Grade8620H 20CrNiMoH

Supply Ability & Additional Information

PackagingBundles Packing with plastic bags wrapped

Productivity5000tons per month

TransportationOcean,Land

Place of OriginMade in China

CertificateTS16949 ISO9001

HS Code7304.59.90

PortNingbo,Shanghai

Payment TypeL/C,T/T,D/P,Paypal,Western Union

IncotermFOB,CFR,CIF

Packaging & Delivery
Selling Units:
Ton
Package Type:
Bundles Packing with plastic bags wrapped

8620H carburizing steel tube by cold drawn and cold rolled process for anti-friction bearing

Products Description:

8620H properties is a carburing alloy steel specification as ASTM A534

Other Related Specifications ASTM A295/A295M DIN EN 10083/3 JIS G4053  DIN17210

Chemical compostion

Carbon C: 0.17-0.23 (allowable deviation: ± 0.02)

Silicon Si: 0.15 ~ 0.35 (allowable deviation: ± 0.03)

Mn: 0.60-0.95 (allowable deviation: ± 0.04)

Sulfur s: ≤ 0.015 (allowable deviation: ± 0.005)

P ≤ 0.025 (allowable deviation: ± 0.005)

Cr: 0.35-0.65 (allowable deviation: ± 0.15)

Ni: 0.35-0.75 (allowable deviation: ± 0.05)

Copper Cu: ≤ 0.30 (allowable deviation: ± 0.05)

Mo: 0.15-0.25 (allowable deviation: ± 0.02)

Mechanical properties:

Tensile strength σ B (MPA): ≥ 1176 (120)

Elongation δ 5 (%): ≥ 9

Reduction of area ψ (%): ≥ 45

Impact toughness value α kV (J / cm2): ≥ 78 (8)

Sample size: 15mm

● heat treatment specification and metallographic structure:

Heat treatment specification: quenching, the first 880 ± 20 ℃, the second 790 ± 20 ℃, oil cooling; tempering, 150-200 ℃, air cooling.

Metallographic structure: martensite.

Delivery status: hot rolled or forged steel shall be delivered in hot-rolled (forged) or annealed state. Cold drawn steel

 is delivered in annealed condition.

Cold drawn and Cold rolled bearing tubes tolerance control level
Outer Diameter Diameter Tolerance Outer Diameter Diameter Tolerance
(mm) (mm) (mm) (mm)
≤12.70 ±0.08 >50.80~63.5 ±0.25
12.7~25.40 ±0.10 >63.50~76.20 ±0.30
>25.4~38.10 ±0.15 >76.20~101.60 ±0.40
>38.1~50.80 ±0.20 >101.60~203.20 ±0.50
Remark:Tolrance on outer diameter and Inner diameter,wall thickness
can be specified by customer requested,

8620H steel pipes8620H bearing steel tubes


Delivery Condition: +C, +LC, +SR, +A, +N

Production Size Range:

OD: 10-210mm
WT: 2-30mm
Length: 2-5.8m

Bearing and Gearing Steel Tube Characteristic:
High strength
High-precision
Good Surface Quality
Stable quality
Smooth Roughness

Production Processs:

Seamless Cold Drawn or Seamless Cold Rolled + Heat Treatment or Stress released control






Product Categories : Seamless Bearing Tubes

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Home > Products > Seamless Bearing Tubes > 8620H carburizing steel tubing for anti-friction bearing

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Tel:86-0574-87491308

Fax:86-0574-87491848

Mobile Phone:+8613355844917

Email:sales@hjbearingtube.com

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