Description
Alloy steel welded pipes & tubes are made by welding two or more pieces of metal together using a specialized welding process. The welding process helps to make the pipe stronger and more durable, which makes it ideal for industrial applications where strength and reliability are essential. The alloy material used in the welding process also makes it resistant to corrosion, making it suitable for use in many different environments.
Our Alloy Steel Welded Pipes are made with precision and highest quality of raw material to provide maximum output at low cost. These Alloy Steel Welded Pipes are used in Industrial Sector like Building & Construction Industry, Petrochemical Industry, Oil & Gas Industry, and Chemical Industry.
Specification
A691 Grade1 1/4 Cr Chemical Analysis
|
Designation
|
C
|
Mn
|
P
|
S
|
Si
|
Cr
|
Mo
|
|
ASTM A691 Grade 1 1/4 Cr
|
0.05-0.17
|
0.40- 0.65
|
0.035
|
0.035
|
0.50-0.80
|
1.00-1.50
|
0.45-0.65
|
A691 Grade1 1/4 Cr Physical Property
|
Designation
|
Tensile strength
ksi [MPa]
|
Yield strength, min
ksi [MPa]
|
Elongation in 8 in. [200mm], min %
|
|
ASTM A691 Grade 1 1/4 Cr
|
75-100 [515- 690]
|
43 [310]
|
18
|
Standard
The properties of ASTM A691 GRADE 1 1/4 CR Alloy Steel Pipes make them efficient for pressure purpose. Union Steel provide quality cost-effective ASTM A691 GRADE 1 1/4 CR Alloy Steel Pipes at factory price meet your specifications.
|
Size
|
Nominal Weight
|
Wpb Average Weight
|
OD
|
Wall Thickness
|
Grade
|
|
lb/ft
|
kg/m
|
mm
|
in
|
mm
|
|
2 3/8
|
6.65
|
6.27
|
9.33
|
60.3
|
0.28
|
7.11
|
E,X,G,S
|
EU
|
|
2 7/8
|
10.4
|
0.72
|
14.47
|
73
|
0.362
|
9.19
|
E,X,G,S
|
IU,EU
|
|
3 1/2
|
9.5
|
8.81
|
13.12
|
88.9
|
0.254
|
6.45
|
E
|
IU,EU
|
|
3 1/2
|
13.3
|
12.32
|
18.34
|
88.9
|
0.368
|
9.35
|
E,X,G,S
|
IU,EU
|
|
3 1/2
|
15.5
|
14.64
|
21.79
|
88.9
|
0.449
|
11.4
|
E
|
IU,EU
|
|
3 1/2
|
15.5
|
14.64
|
21.79
|
88.9
|
0.449
|
11.4
|
E,G,S
|
EU, IEU
|
|
4
|
14
|
12.95
|
19.27
|
101.6
|
0.33
|
8.38
|
E,X,GS
|
IU,EU
|
|
4 1/2
|
13.75
|
12.25
|
18.23
|
114.3
|
0.271
|
6.88
|
E
|
IU,EU
|
|
4 1/2
|
16.6
|
15
|
22.32
|
114.3
|
0.337
|
8.56
|
E,X,GS
|
EU, IEU
|
|
4 1/2
|
20
|
18.71
|
27.84
|
114.3
|
0.43
|
10.92
|
E,X,G,S
|
EU, IEU
|
|
5
|
16.25
|
14.88
|
22.16
|
127
|
0.296
|
7.52
|
X,G,S
|
IU
|
|
5
|
19.5
|
17.95
|
26.7
|
127
|
0.362
|
9.19
|
E
|
IEU
|
|
5
|
19.5
|
17.95
|
26.7
|
127
|
0.362
|
9.19
|
X,G,S
|
EU, IEU
|
|
5
|
25.6
|
24.05
|
35.8
|
127
|
0.5
|
12.7
|
E
|
IEU
|
|
5
|
25.6
|
24.05
|
35.8
|
127
|
0.5
|
12.7
|
X,G,S
|
EU, IEU
|
|
5 1/2
|
21.9
|
19.83
|
29.52
|
139.7
|
0.361
|
9.17
|
E,X,G,S
|
IEU
|
|
5 1/2
|
24.7
|
22.56
|
33.57
|
139.7
|
0.415
|
10.54
|
E,X,G,S
|
IEU
|
|
6 5/8
|
25.2
|
22.21
|
33.05
|
168.3
|
0.33
|
8.38
|
E,X,G,S
|
IEU
|
|
6 5/8
|
27.72
|
24.24
|
36.06
|
168.3
|
0.362
|
9.19
|
E,X,G,S
|
IEU
|
Process
Manufacturing Equipment of Alloy Steel Welded Pipe
Packing
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