Q235B steel pipes are among the most widely used basic steel pipe materials in engineering construction, fluid transportation, and structural manufacturing.
Tianjin Juming Steel Pipe Co., Ltd., based in the Daqiuzhuang Steel Industry Base in Tianjin, China, is a professional steel pipe supplier and manufacturer. We have long focused on the production, processing, and export supply of steel pipes, and can stably provide products with various forming processes, including straight seam welded pipes, spiral welded pipes, straight seam submerged arc welded pipes, and seamless steel pipes, to meet the needs of different industries and working conditions.
Our Durable Q235B steel pipes strictly adhere to domestic and international standards such as GB, API, ASTM, and ISO. We can also provide material analysis, mechanical property testing, non-destructive testing, and third-party inspection reports according to customer project requirements. Our products are suitable for municipal engineering, oil and gas transportation, piling engineering, mechanical structures, and export engineering projects.
Price and Specification Sheet
|
No.
|
Nominal Diameter D g
|
Outer Diameter (mm)
|
Wall Thickness(mm)
|
Area F
|
Weight Kg/m
|
Welded Steel Pipe
|
Galvanized Steel Pipe
|
|
Price/Kg
|
Price/m
|
Price/Kg
|
Price/m
|
|
1
|
15
|
21.25
|
2.75
|
159.83
|
1.25
|
2.4
|
3.00
|
3.1
|
4.11
|
|
2
|
20
|
26.75
|
2.75
|
207.35
|
1.63
|
2.4
|
3.91
|
3.1
|
5.36
|
|
3
|
25
|
33.5
|
3.25
|
308.86
|
2.42
|
2.4
|
5.81
|
3.1
|
7.95
|
|
4
|
32
|
42.25
|
3.25
|
398.2
|
3.13
|
2.4
|
7.51
|
3.1
|
10.29
|
|
5
|
40
|
48
|
3.5
|
489.3
|
3.84
|
2.4
|
9.22
|
3.1
|
12.62
|
|
6
|
50
|
60
|
3.5
|
621.25
|
4.88
|
2.4
|
11.71
|
3.1
|
16.04
|
|
7
|
70
|
75.5
|
3.75
|
845.28
|
6.64
|
2.4
|
15.94
|
3.1
|
21.82
|
|
8
|
80
|
88.5
|
4
|
1061.86
|
8.34
|
2.4
|
20.02
|
3.1
|
27.41
|
|
9
|
100
|
114
|
4
|
1382.3
|
10.85
|
2.4
|
26.04
|
3.1
|
35.65
|
|
10
|
125
|
140
|
4.5
|
1915.59
|
15.04
|
2.4
|
36.10
|
3.1
|
49.42
|
|
10
|
150
|
159
|
4.5
|
2184.19
|
17.15
|
2.4
|
41.16
|
3.1
|
56.35
|
|
11
|
150
|
165
|
4.5
|
2269.02
|
17.81
|
2.4
|
42.74
|
3.1
|
58.52
|
|
12
|
200
|
219
|
6
|
4014.96
|
31.52
|
2.2
|
69.34
|
3.1
|
103.57
|
|
13
|
250
|
273
|
8
|
6660.18
|
52.28
|
2.6
|
135.93
|
3.2
|
177.33
|
|
14
|
300
|
325
|
8
|
7967.08
|
62.54
|
2.6
|
162.60
|
3.2
|
212.14
|
|
15
|
350
|
377
|
9
|
10404.95
|
81.68
|
2.6
|
212.37
|
3.2
|
277.06
|
|
16
|
400
|
426
|
9
|
11790.4
|
92.55
|
2.6
|
240.63
|
3.2
|
313.93
|
|
17
|
450
|
480
|
9
|
13317.21
|
104.54
|
2.6
|
271.80
|
3.2
|
354.60
|
|
18
|
500
|
530
|
9
|
14730.93
|
115.64
|
2.6
|
300.66
|
3.2
|
392.25
|
|
19
|
600
|
630
|
9
|
17558.36
|
137.83
|
2.6
|
358.36
|
3.2
|
467.52
|
|
20
|
700
|
720
|
9
|
20103.05
|
157.81
|
|
0.00
|
3.9
|
652.39
|
|
21
|
800
|
820
|
9
|
22930.48
|
180.00
|
|
0.00
|
3.9
|
744.12
|
|
22
|
900
|
920
|
9
|
25757.92
|
202.20
|
|
0.00
|
|
0.00
|
|
23
|
1000
|
1020
|
9
|
28585.35
|
224.39
|
|
0.00
|
|
0.00
|
|
24
|
1200
|
1220
|
10
|
38013.27
|
298.40
|
|
0.00
|
|
0.00
|
|
25
|
1400
|
1420
|
11
|
48691.54
|
382.23
|
|
0.00
|
|
0.00
|
|
26
|
1600
|
1620
|
12
|
60620.17
|
475.87
|
|
0.00
|
|
0.00
|
|
27
|
1800
|
1820
|
14
|
79432.03
|
623.54
|
|
0.00
|
|
0.00
|
|
28
|
2000
|
2020
|
14
|
88228.49
|
692.59
|
|
0.00
|
|
0.00
|
Commonly Used Standards for Q235B Steel Pipes
Juming Steel Pipes can provide a long-term, stable supply of Quality Q235B steel pipes conforming to the following standards:
GB/T 9711 / GB/T 9711.1 / GB/T 9711.2
1. Steel pipes for oil and gas industry transportation
SY/T 5037-2000
2. Spiral submerged arc welded steel pipes for general fluid transportation
SY/T 5040-92
3. Spiral submerged arc welded steel pipes for piling
API 5L (PSL1 / PSL2)
4. Internationally recognized pipeline steel standards
ASTM A36 / ASTM A53 / ASTM A106 (customizable)
Production can be carried out according to a single standard based on project requirements, avoiding the risk of mixed standards.
Product Types and Production Scope
We can provide the following types of High-Performance Q235B steel pipes:
1. Spiral Steel Pipe
Outer Diameter: 219mm – 3120mm
Wall Thickness: 3mm – 25mm
Applications: Municipal pipe networks, water pipelines, piling projects, large-diameter structural pipes
2. Straight Seam Steel Pipe
Outer Diameter: 16″ – 64″
Wall Thickness: ≤50mm
Applications: Oil and gas pipelines, high-pressure transmission, heavy engineering
3. Straight Seam Welded Pipe
Outer Diameter: 1/8″ – 24″
Wall Thickness: ≤26.5mm
Applications: Mechanical structures, general fluid transportation
4. Seamless Steel Pipe
Outer Diameter: 1/8″ – 36″
Wall Thickness: 1.25mm – 50mm
Applications: High pressure, precision structures, critical components
