Seamless Honing Tube

Seamless Honing Tube Introduction WUXI HENGTONG PETROLIC MACHINERY manufactures pre honed tubes, ready to hone tubes, honed tubes, skived and roller burnished tubes, chrome bar, piston rods and high-precision cold-drawn steel tubes, We are well-equipped with 300 ton, 150 ton, 65 ton, 20 ton of...
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Product Details

Seamless Honing Tube Introduction

WUXI HENGTONG PETROLIC MACHINERY manufactures pre honed tubes, ready to hone tubes, honed tubes, skived and roller burnished tubes, chrome bar, piston rods and high-precision cold-drawn steel tubes, We are well-equipped with 300 ton, 150 ton, 65 ton, 20 ton of cold drawing machine,9 meters CNC boring machines, 20 sets honing machines , one set furnace and advanced quality testing equipment, which combine cold drawn, cold-rolled, heat treatment and traditional machining process.

Seamless Honing Tube Details

Standard: DIN

Standard2: DIN 2391

Thickness: 5 - 30 mm

Section Shape: Round

Outer Diameter(Round): 40 - 400 mm

Place of Origin: Jiangsu, China (Mainland)

Application: Hydraulic Pipe

Name: st52 cold drawn seamless honed tube for hydraulic cylinder

Brand: Hengtong

Type: seamless

Material:A106B,CK45,ST52/E355,25Mn,27SiMn

Process: cold drawn ,honing,chroming

Length: ≤12m

ID tolerance: H8

Roughness: 0.2-0.4um

Condition: BKS/SR

St52 cold drawn seamless honed tube for hydraulic cylinder Product Description 

*OD:40-400mm

*Thickness: ≥4mm

*Roughness: 0.2

*H8 tolerance

*BKS/SR condition

Chemical compisition

Material

C

Si

Mn

S(≤)

P(≤)

Cr

Ni

Mo

other

C20#

0.17-0.23

0.17-0.37

0.35-0.65

0.035

0.035

≤0.25

≤0.30

 

Cu≤0.25

CK5#

0.42-0.50

0.17-0.37

0.50-0.80

0.035

0.035

≤0.25

≤0.30

 

Cu≤0.25

Q345B

≤0.20

≤0.55

1.00-1.60

0.04

0.04

V:0.02-0.15

Nb:0.015-0.06

Ti:0.02-0.20

Alt≥0.015

ST52
E355
16Mn

≤0.20

≤0.55

1.00-1.60

0.045

0.045

V:0.02-0.15

Nb:0.015-0.06

Ti:0.02-0.20

16Mn

25Mn

0.22-0.30

0.17-0.37

0.70-1.00

0.035

0.035

≤0.25

≤0.25

 

 

27SiMn

0.24-0.32

1.10-1.40

1.10-1.40

0.03

0.03

 

 

 

 

42SiMn

0.39-0.45

1.10-1.40

1.10-1.40

0.03

0.03

 

 

 

 

42CrMo

0.38-0.45

0.17-0.37

0.50-0.80

0.025

0.025

0.90-1.20

 

0.15-0.25

 

Hydraulic&pneumatic liner actuator standard/size/precise

Working method

Cylinder ID (mm)

Length
(m)

Straightness
(mm/m)

Tolerance on ID

Tolerance on WT

Roughness
(μm)

Cold drawn

40-320

≤12M

0.2-0.5

/

±5%

0.8-1.6

Cold rolling

30-100

≥12M

0.2-0.5

/

 ±5%

0.8-1.2

Cold drawn-honed

40-500

8M

0.2-0.3

H8-H9

±5%

0.2-0.8

Cold drawn-skived

40-400

9M

0.2-0.3

H8-H9

±5%

≤0.4

Hole boring-honed

320-400

8M

0.2-0.3

H7-H9

±8%

≤0.8

Hole boring-skived

320-400

9M

0.2-0.3

H8-H9

±8%

≤0.4

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