Cold Drawn Honed Tube

Cold Drawn Honed Tube Introduction WUXI HENGTONG PETROLIC MACHINERY manufactures Cold Drawn 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...
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Cold Drawn Honed Tube Introduction

WUXI HENGTONG PETROLIC MACHINERY manufactures Cold Drawn 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.

Cold Drawn Honed Tube detail

Application: producing of hydraulic/ pneumatic cylinders, pumps, motor shells, transmission shafts and transmission roller steel pipes.

Original: Jiangsu, China

Certification: ISO9001.

Material: SAE1020, 20#, ST45, CK45, ST52, E355

Payment term: TT, LC

Delivery date: usually 20 to 40 days.

Packing: packed in bundle, oiled inside, with caps on both ends.

Market: Middle East/ Africa/Asia/South America/Europe/North America

MOQ:  Depends on exact size and material.

Cold Drawn Honed Tube Specifications

1. CHEMICAL COMPOSITION

Material

C%

Mn%

Si%

S%

P%

V%

Cr%

CK45

0.42-0.50

0.50-0.80

≤0.04

≤0.035

0.035

≤ 0.25

ST52

≤0.22

≤1.6

≤0.55

≤0.04

≤0.04

20MnV6

0.16-0.22

1.30-1.70

0.10-0.50

≤0.035

≤0.035

0.10-0.20

≤0.30 

42CrMo4

0.38-0.45

0.60-0.90

0.15-0.40

≤0.035

≤0.035

 0.07-0.12

0.90-1.20

40Cr

0.37-0.45

0.50-0.80

0.17-0.37

≤0.035

≤0.035

0.80-1.10

 

2. MECHANCIAL PROPERTIES

Material

T.S  N/MM2

Y.S  N/MM2

E%(MIN)

CHARPY

CONDITION

CK45

610

355

15

>41J

NORMALIZE

CK45

800

630

20

>41J

Q + T

ST52

500

355

22

NORMALIZE

20MnV6

750

590

12

>40J

NORMALIZE

42CrMo4

980

850

14

>47J

Q + T

40Cr

1000

800

10

Q + T

Honed Steel Pipe.jpg 

3. SUPPLY CONDITION

Ground and chrome plated , induction, quenched and tempered

4. CHROME THICKNESS

20 to 30 micron

5. SURFACE ROUGHNESS

Ra≤0.2 micron and  Rt≤2 micro

6. TOLERANCES ON DIA

ISO f7 on the diameter

7.OVALITY

Half of the tolerance ISO f7

8. STRAIGHTNESS

≤0.2MM/M

9. SURFACE HARDNESS

850-1150HV (vickers 100g)

10.COHESION

No cracks,breaking or detaching after thermic shock(warming up at 300 celsius degrees and cooling in water)

11 .POROSITY

Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10

12. CORROSION RESISTANCE

Test in natural salt spray according to ASTM B 117-72hours

Results evaluation according to ISO 4540 RATING 7-10

13. PACKING

Anti rust oil to be applied on material and each rod to be packed in paper sleeve

Packaging & Delivery

Packaging Details

in bundle, with plastic caps, anti-rusted oiled, with woven bags

Delivery Time

within 20 days

Packaging & Delivery.jpg

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