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Technical Proposal For Bidding Of ANDRITZ Bearing Unit

Views: 8976     Author: Site Editor     Publish Time: 2016-04-09      Origin: Site

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Main Parts Material

NO.

Part   Description

Material

Material   Designation

1

Bearing   housing

Cast   iron

EN-GJL-200

2

Shaft

Duplex   stainless steel

DIN   1.4462 (X2CrNiMoN22-5-3)

3

Bearings

SKF

Bearing   steel

4

Bearing   cover

Cast   iron

EN-GJL-250



Material Certificate | SHAFT

Chemical composition

Steel   designation

C

Si

Mn

P

S

N

Cr

Mo

Ni

Others

Name

Number

max

max

max

max

max

%

%

%

%

%

X2CrNiMoN22-5-3

1.4462

0.030

1.00

2.00

0.035

0.015

0.10   to 0.22

21.00   to 23.00

2.50   to 3.50

4.50   to 6.50

-


Mechanical properties

Steel   designation

Thickness   of ruling section

Proof   strength

Tensile   strength

Elongation

Impact   energy

Name

Number

TR   (mm)
    max.

Rp0.2   (N/mm2)   Min.

Rm   (N/mm2)

A   (%)
    min.

KV   (J)
    min.

X2CrNiMoN22-5-3

1.4462

350

450

650   to 880

25

100



Material Certificate | BEARING HOUSING

Chemical composition

Designation

C

Si

Mn

P

S

Name

Number

%

%

%

max

max

EN-GJL-200

EN-JL1030

3.1 to 3.4

1.5 to 1.8

0.8 to 1.0

0.15

0.12


Mechanical properties

Designation

Tensile strength

Brinell hardness

Name

Number

Rm   (N/mm2)

HB

EN-GJL-200

EN-JL1030

200 to 300

170 to 260



Bearings & Mechanical Processing

Bearings / SKF brand

Bearings / SKF brandBearings / SKF brand


Pump SHAFT machining

Pump SHAFT machining


Bearings & Product

Bearings & Product




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