a53 grade b cold drawn material seamless steel tube

Production

Standard

ASTM ,DIN, EN, GB, JIS, AISI ,etc.

Out Diameter

30mm-250mm

Wall Thickness

2mm-30mm

Material

10#-45#,16Mn ,st35-st52,q345,etc.

 Length

1-12m or as customers required

Surface treatment

Black painting, black varnish, transparent oil, epoxy coating, etc,  or according to the customer’s acquirement  

 Technique

Seamless ,DOM

 Usage

 1.hydraulic cylinder

 2.  automobile

 3.  oil drilling

 4.   textile machinery

 5. printing machinery

 6.  engineering machinery

 Package

 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.

 Supply

 1.  Seamless steel pipe

 2.  cold drawn seamless steel tube

 3.  cold rolled seamless steel tube

 4.  hot-rolled steel pipe

5.hydraulic cylinder steel tube

6.DOM tube

Min Order Quantity

According to customer's requirement

Payment terms

L/C, T/T, 

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.