the leading manufacturer of st52 cold drawn precision seamless steel tube for pneumatic cylinder

Product name

Size

OD

30-250mm

WT

2-30mm

Length

1-6m or according to the customer’s need

Material

20#,45#,16Mn,10#,st35-st52,25Mn

Surface treatment

According to the customer’s acquirement

Ends

1.  Bundle packing.

 2.  Beveled end or plain end or vanished as buyer's required.

 3.  Marking: as per customer's requests.

 4.  Painting varnish coating on the pipe.

 5.  Plastic caps at ends.

Section shape

Round

Application

Used For Hydraulic equipment ,mechanical structures ,automotive parts,oil drilling

End protector

With plastic caps or not

Inspection

With Hydraulic Testing, Eddy Current, Infrared Test ,ultrasonic

Test

payment

1.T/T:30% T/T advance, 70% balance copy of B/L

2.L/C:at sight

3.T/T and L/C:30% T/T advance, 70% L/C at sight.etc

contact

Yantai Xinpeng Steel pipe . 

Http://

Tel:86-535-6835398

Fax:86-535-6835383 

OD x WT

OD x WT

OD x WT

OD x WT

4*0.5

16*0.5

26*1.8

35*9.0

4*0.8

16*0.8

26*2.0

35*10

4*1.0

16*1.0

26*2.2

38*0.5

4*1.2

16*1.2

26*2.5

38*0.8

5*0.5

16*1.5

26*2.8

38*1.0

5*0.8

16*1.8

26*3.0

38*1.2

48*5.0

70*2.8

90*10

130*14

48*5.5

70*3.0

90*12

130*16

48*6.0

70*3.5

90*14

130*18

48*7.0

70*4.0

90*16

140*2.5

48*8.0

70*4.5

95*2.0

140*2.8

48*9.0

70*5.0

95*2.2

140*3.0

ID Min.

(Tolerance on OD)μm

H7

H8

H9

H10

30

+21
0

+33
0

+52
0

+84
0

>30-50

+25
0

+39
0

+62
0

+100
0

>50-80

+30
0

+46
0

+74
0

+120
0

>80-120

+ 35
0

+ 54
0

+87
0

+140
0

>120-180

+40
0

+63
0

+100
0

+160
0

>180-250

+46
0

+72
0

+115
0

+185
0

>250-315

+52
0

+81
0

+140
0

+210
0

>315-400

+57
0

+89
0

+170
0

+230
0

1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material

2.100% Dimension & Visual Examination 

3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test

4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test  (ET or UT) 

5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor)

6.Straightness Test  (optional)

7.Roughness Test (optional)

8.Intergranular Corrosion Test(optional)

9.Impact Test (optional)

10.Grain Size Determinations (optional)

NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION.