Gold Member Since 2015
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Qingdao Ironsteel International Trading Co., Ltd.

Steel Pipe, Honing Pipe, Honed Pipe manufacturer / supplier in China, offering High Precision Honing Pipe for Hydraulic Cylinder by St52, Q345b, ASTM A213/A312 Welded Stainless Steel Pipe, 304 316L ANSI Standard Forged Steel Flange Dn10~Dn4200 and so on.

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Supplier Homepage Product alloy seamless pipe High Precision Honing Pipe for Hydraulic Cylinder by St52, Q345b

High Precision Honing Pipe for Hydraulic Cylinder by St52, Q345b

FOB Price: US $588-898 / Ton
Min. Order: 3 Tons
Min. Order FOB Price
3 Tons US $588-898/ Ton
Get Latest Price
Production Capacity: 2000tons Per Month
Transport Package: Standard Seaworthy Packing
Payment Terms: L/C, T/T
Basic Info
  • Model NO.: IR-B
  • Technique: Cold Drawn and Honing
  • Surface Treatment: Bare Pipe
  • Section Shape: Round
  • Length: Fixed Length, by Random
  • Surface: Bare Pipe, Anti-Rust Painting
  • Trademark: Iron&steel
  • Origin: China
  • Type: Seamless
  • Material: Alloy, Carbon Steel
  • Usage: Boiler Pipe, Hydraulic/Automobile Pipe, Machinery Industry, Chemical Industry, Special Purpose
  • Size: 30mm~416mm
  • End Processing: Plain Ends
  • Steel Material: St52, Q345b, 27simn, 15CrMo, 40cr, etc
  • Specification: ASTM, DIN, GB/T
  • HS Code: 73045910
Product Description
High precision honing pipe  can be produced according to the demands of costumers that the degree of precision can reach H8/H9. Burnishing and honing service can be provided depending on the roughness requirement of inner diameter.
The honing pipe is used for the hydraulic cylinder making.
Used as the pipes on the heated side of low and medium pressure boilers(normally with operating pressure not higher than 5.88Mpa and
operating temperature below 450 oc);as the pipes on the heated sides of high·pressure boilers,economizers,overheaters,reheaters and pipes
for petrochemical industry(with the operating pressure above 9.8Mpa and operating temperature ranging between 450~C~650~C1
High Precision Honing Pipe for Hydraulic Cylinder by St52, Q345b
High Precision Honing Pipe for Hydraulic Cylinder by St52, Q345b
High Precision Honing Pipe for Hydraulic Cylinder by St52, Q345b

Specifications of major steel material:

Processing form

I.D.mm

Length

Straightness

I.D.tolerance

I.D.Roughness(RA)

Cold-rolled

30-100

≤12M

 
0.3-1.0/1000

H8-H10

0.4-1.6um

Cold-drawn

30-250

≤12M

H8-H10

0.8-1.6um

Hone

40-500

≤12M

H8-H9

0.4-0.8um

SRB

50-250

≤9M

H8

0.1-0.4um

 Tolerance of ID and WT
 

Size of inside
Diameter(mm)

                     ID Tolerance

Tolerance of wall thickness
 

30

+0.0330

+0.0520

+0.0840

 
 
 
<120mm(OD)              ±5%
>120mm up to 210mm±7.5%
>210mm                     ±10%
 
 
 
 

>30-50

+0.0390

+0.0620

+0.1000

>50-80

+0.0460

+0.0740

+0.1200

>80-120

+0.0540

+0.0870

+0.1400

>120-180

+0.0630

+0.1000

+0.1600

>180-250

+0.0720

+0.1150

+0.1850

>250-315

+0.0810

+0.1300

+0.2100

>315-400

+0.0890

+0.1400

+0.2300

Length and cut tolerance
 
Length ≤ 500mm , +2mm
> 500mm ≤ 2000mm, +3mm
> 2000mm ≤ 5000mm, +5mm
> 2000mm ≤ 7000mm, +10mm
 
Standard:DIN 2391,EN10305
Material: St45,St52,E355
 
Chemical composition
 

Steel grade

Chemical composition,%

C

Si

Mn

P

S

Cr


St45

0.17-0.24

0.17-0.37

0.35-0.65

0.035

0.035

0.250

ST52(E355)

≤0.22

≤0.55

≤1.6

0.025

0.025

0.25

SAE1026

0.22-0.28

0.15-0.35

0.60-0.90

0.040

0.050

/

27SiMn

0.24-0.32

1.10-1.40

1.10-1.40

0.035

0.035

0.300

20#

0.17-0.24

0.17-0.37

0.35-0.65

0.035

0.035

0.250

  
9. Mechanical Properties
 

Delivery condition

BK
Cold finished(hard)

BKS
Cold drawn and stress-relieved

Steel grade

Rm Mpa

Elongation
A5(%)

Rm MPa

ReH MPa

Elonggation
A5(%)

ST45

≥550

≥5

≥520

≥375

≥15

ST52(E355)

≥640

≥5

≥600

≥520

≥14

SAE1026

≥640

≥5

≥600

≥510

≥15

16Mn

≥640

≥5

≥600

≥520

≥14

20#

≥550

≥8

≥520

≥375

≥15

 
Tube ends
 
Tube ends shall be cut nominally square to the axis and free from burs
 
11.Delivery condition:BKS
Appearance
 
Tube shall have a smooth internal and external surface consistent with cold working  process, tube inner surface should be free from rust, scratches and other surface
irregularities.
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