SHENGJI PIPE FITTINGS MANUFACTURE CO.,LTD.

Products catalogue
Concrete Pump Straight Pipe

Concrete Pump Harden Delivery Pipe

 

 

 

SRUCTURE

Name

Structure

HRC

Thickness mm

Structure Sketch Map

Base Material

Pearlite&ferrite

23

2.5

Abrasionresist layer/

Crackresist layer

Hatciemng layer

martensite

58-62

2

LIFE COMPARIISON&QUALITY/PRICE RATIO

Name

Material

Structure

Characteristic

Life(squre)

Life

 (squre)

Price 

 Ratic

Price 

(RMB/m)

Quality/price

 ratio

Namal

20

Monolayer

Low cost,rapid abrasion,

short life

7000-

8000

1

1

100

1

High Quality

Alloy steel

Monolayer

High cost,long life

20000-

 25000

2.5

1.5

150

1.6

Hardening 

(double layer)

Alloy steel

Double

Higher cost with abrasion

 resisit wall 

and crack resisit ektexine.4-5times longer life

60000- 

80000

5.6

2

200

2.8

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