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Carbon Seamless Steel Pipe

Purpose:

Operation for incorporating in the automated machinery's piping work for plastic injection molding machines, working servos, construction equipment, rubber molding machines, papermaking machines, printing machines, refrigeration equipment, foods and chemical machinery, loading equipment, fiber spinning equipment, agricultural equipment, automotives, shipbuilding and the like.

Chemical Composition & Mechanical Property
Symbol
Chemical Composition(%)
Tensile (Kgf / mm²)
Yield (Kgf / mm²)
ELOVG(%) Test Pieci 11th & 12th
Bend Test
Amplification
Degree Assay
C
Si
Mn
P
S
Cu
Bend Angle
Inside Radiu
OST-2
0.08
|
0.18
0.10
|
0.35
0.30
|
0.60
0.035
under
0.035
under
0.20
under
45
under
20
above
35
above
180°
Tube Outside
Diameter 4 Times
Outside Diameter
1.2 Times

Tolerance
O.D.(mm)
Thickness(mm)
Length
22 under
25-35
36-50
0.5
1.0-1.5
2.0 above
4000
±0.1 ±0.15
± 0.2
± 20%
± 15%
± 10%
+ 10
-0
+ 10
-0

Product Standard Form

O.D.
(mm)
Thickness
(mm)
Length
Apply Pressure
Kg/cm²
O.D.
(mm)
Thickness
(mm)
Length
Apply Pressure
Kg/cm²
4
1.0
4000
700
18
2.5
4000
259
6
1.0
4000
350
20
2.0
4000
175
8
1.0
4000
233
20
2.5
4000
233
8
1.5
4000
420
20
3.0
4000
300
10
1.0
4000
175
22
2.0
4000
155
10
1.5
4000
300
22
2.5
4000
265
12
1.2
4000
175
25
2.5
4000
175
12
1.5
4000
233
25
3.0
4000
221
15
1.2
4000
133
28
3.0
4000
190
15
1.5
4000
175
30
3.0
4000
175
15
2.0
4000
250
34
3.5
4000
181
18
1.5
4000
140
38
4.0
4000
187
18
2.0
4000
200
42
4.0
4000
164