|
●
Grade and Chemical composition(%)
|
Grade
|
C
|
Mn
|
Si
|
Cr
|
Mo
|
Ni
|
S
|
P
|
|
max
|
|
SAE1010
|
0.07-0.14
|
0.35-0.65
|
0.17-0.37
|
≤0.15
|
--
|
≤0.25
|
0.035
|
0.035
|
|
SAE1020
|
0.17-0.24
|
0.35-0.65
|
0.17-0.37
|
≤
0.25
|
--
|
≤0.25
|
0.035
|
0.035
|
|
12CrMo
|
0.08-0.15
|
0.40-0.70
|
0.17-0.37
|
0.40-0.70
|
0.40-0.55
|
≤0.30
|
0.035
|
0.035
|
|
15CrMo
|
0.12-0.18
|
0.40-0.70
|
0.17-0.37
|
0.80-1.10
|
0.40-0.55
|
≤0.30
|
0.035
|
0.035
|
|
1Cr2Mo
|
≤0.15
|
0.30-0.60
|
0.50-1.00
|
2.15-2.85
|
0.45-0.65
|
--
|
0.030
|
0.035
|
|
1Cr5Mo
|
≤0.15
|
≤0.60
|
≤0.50
|
4.00-6.00
|
0.45-0.60
|
≤0.60
|
0.030
|
0.035
|
●
Dimension Tolerances
|
Pipe Category
|
Pipe Sizes
|
Tolerances
|
|
Hot rolled
|
OD
|
≤159
|
±1.00%
|
|
>159
|
±
1.25%
|
|
WT
|
≤20
|
±12.5%
|
|
>20
|
±10.0%
|
|
Cold drawn
|
OD
|
≤30
|
±0.20mm
|
|
30-50
|
±0.30mm
|
|
>50
|
±0.8%
|
|
WT
|
≤3
|
+12%
-10%
|
|
>3
|
±
10%
|
●
Mechanical Properties
|
Grade
|
Mechanical Properties
|
Delivry Condition
|
|
Rm Mpa Tensile Strength
|
Rel MPa Yield
Point
|
A% Elongation
|
AkuJ
Impact
|
HB hardness
|
|
Min
|
max
|
|
SAE1010
|
330-490
|
205
|
24
|
--
|
--
|
as rolled, cold drawn normalized
|
|
SAE1020
|
410-550
|
245
|
21
|
39
|
--
|
as rolled, cold drawn normalized
|
|
12CrMo
|
410-560
|
205
|
21
|
55
|
156
|
hot rolled + tempered, cold normalized + tempered
|
|
15CrMo
|
440-640
|
235
|
21
|
47
|
170
|
hot rolled + tempered, cold normalized + tempered
|
|
1Cr2Mo
|
≥(390)
|
(175)
|
(22)
|
(92)
|
(179)
|
hot rolled + tempered, cold normalized + tempered
|
|
1Cr5Mo
|
≥390
|
195
|
22
|
92
|
187
|
anneded
|
●
Size
|
mm OD
|
Nominal Wall Thickness (mm)
|
|
2
|
2.5
|
3
|
3.5
|
4
|
5
|
6
|
8
|
10
|
12
|
14
|
16
|
18
|
20
|
|
|
|
Theoretical Weight (kg/m)
|
|
18
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
19
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
25
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
32
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
38
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
45
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
57
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
60
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
83
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
89
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
102
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
114
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
