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S355 Steel Pipe

Product Name: S355 Steel Pipe
Grades:S355JRH/J0H/J2H
Outer Diameter: 4"-56"
Thickness:0.237"-5.90"
Fastest Delivery Time: 7 Days+
Stock Quantity:100-200Tons
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Introduction of S355 Steel Pipe:

Product Name: S355 Steel Pipe

Standard: EN10210

Grade: S355

Welding Type: ERW(Electrical Resistance Weld), HFW(High Frequency Weld), LSAW(Longitudinally Submerged Arc Welding), DSAW(Double Submerged Arc Welding), SSAW(Spirally Submerged Arc Welding)

Outer Diameter: 1/2"-80" (21.3mm--2032mm)

Thickness: SCH10-SCH160 (6.35mm-59.54mm)

Length: 6m-18m

End: BE(Beveled Ends), PE(Plain Ends)

Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test

Fastest Delivery Time: 7 Days for normal specification



 

Specification:

( ANSI B36.10 B36.19M) Outside Diameter amd Wall Thickness
NPS OD Norminal Wall Thickness
INCH DN MM 5s 10s 10 20 30 40s STD 40 60 80s XS 80 100 120 140 160 XXS
1/8 6 10.3 -- 1.24 -- -- -- 1.73 1.73 1.73 -- 2.41 2.41 2.41 -- -- -- -- --
1/4 8 13.7 -- 1.65 -- -- -- 2.24 2.24 2.24 -- 3.02 3.02 3.02 -- -- -- -- --
3/8 10 17.1 -- 1.65 -- -- -- 2.31 2.31 2.31 -- 3.2 3.2 3.2 -- -- -- -- --
0.5 15 21.3 1.65 2.11 -- -- -- 2.77 2.77 2.77 -- 3.73 3.73 3.73 -- -- -- 4.78 7.47
0.75 20 26.7 1.65 2.11 -- -- -- 2.87 2.87 2.87 -- 3.91 3.91 3.91 -- -- -- 5.56 7.82
1 25 33.4 1.65 2.77 -- -- -- 3.38 3.38 3.38 -- 4.55 4.55 4.55 -- -- -- 6.35 9.09
1.25 32 42.2 1.65 2.77 -- -- -- 3.56 3.56 3.56 -- 4.85 4.85 4.85 -- -- -- 6.35 9.7
1.5 40 48.3 1.65 2.77 -- -- -- 3.68 3.68 3.68 -- 5.08 5.08 5.08 -- -- -- 7.14 10.15
2 50 60.3 1.65 2.77 -- -- -- 3.91 3.91 3.91 -- 5.54 5.54 5.54 -- -- -- 8.74 11.07
2.5 65 73 2.11 3.05 -- -- -- 5.16 5.16 5.16 -- 7.01 7.01 7.01 -- -- -- 9.53 14.02
3 80 88.9 2.11 3.05 -- -- -- 5.49 5.49 5.49 -- 7.62 7.62 7.62 -- -- -- 11.13 15.24
3.5 90 101.6 2.11 3.05 -- -- -- 5.74 5.74 5.74 -- 8.08 8.08 8.08 -- -- -- -- --
4 100 114.3 2.11 3.05 -- -- -- 6.02 6.02 6.02 -- 8.56 8.56 8.56 -- 11.13 -- 13.49 17.12
5 125 141.3 2.77 3.4 -- -- -- 6.55 6.55 6.55 -- 9.53 9.53 9.53 -- 12.7 -- 15.88 19.05
6 150 168.3 2.77 3.4 -- -- -- 7.11 7.11 7.11 -- 10.97 10.97 10.97 -- 14.27 -- 18.26 21.95
8 200 219.1 2.77 3.76 -- 6.35 7.04 8.18 8.18 8.18 10.31 12.7 12.7 12.7 15.09 18.26 20.62 23.01 22.23
10 250 273.1 3.4 4.19 -- 6.35 7.8 9.27 9.27 9.27 12.7 12.7 12.7 15.09 18.26 21.44 25.4 28.58 25.4
12 300 323.9 3.96 4.57 -- 6.35 8.38 9.53 9.53 10.31 14.27 12.7 12.7 17.48 21.44 25.4 28.58 33.32 25.4
14 350 355.6 3.96 4.78 6.35 7.92 9.53 -- 9.53 11.13 15.09 -- 12.7 19.05 23.83 27.79 31.75 35.71 --
16 400 406.4 4.19 4.78 6.35 7.92 9.53 -- 9.53 12.7 16.66 -- 12.7 21.44 26.19 30.96 36.53 40.49 --
18 450 457.2 4.19 4.78 6.35 7.92 11.13 -- 9.53 14.27 19.05 -- 12.7 23.83 29.36 34.96 39.67 45.24 --
20 500 508 4.78 5.54 6.35 9.53 12.7 -- 9.53 15.09 20.62 -- 12.7 26.19 32.54 38.1 44.45 50.01 --
22 550 558.8 4.78 5.54 6.35 9.53 12.7 -- 9.53 -- 22.23 -- 12.7 28.58 34.93 41.28 47.63 53.98 --
24 600 609.6 5.54 6.35 6.35 9.53 14.27 -- 9.53 17.48 24.61 -- 12.7 30.96 38.89 46.02 52.37 59.54 --
26 650 660.4 -- -- 7.92 12.7 -- -- 9.53 -- -- -- 12.7 -- -- -- -- -- --
28 700 711.2 -- -- 7.92 12.7 15.88 -- 9.53 -- -- -- 12.7 -- -- -- -- -- --
30 750 762 6.35 7.92 7.92 12.7 15.88 -- 9.53 -- -- -- 12.7 -- -- -- -- -- --
32 800 812.8 -- -- 7.92 12.7 15.88 -- 9.53 17.48 -- -- 12.7 -- -- -- -- -- --
34 850 863.6 -- -- 7.92 12.7 15.88 -- 9.53 17.48 -- -- 12.7 -- -- -- -- -- --
36 900 914.4 -- -- 7.92 12.7 15.88 -- 9.53 19.05 -- -- 12.7 -- -- -- -- -- --
38 950 965.2 -- -- -- -- -- -- 9.53 -- -- -- 12.7 -- -- -- -- -- --
40 1000 1016 -- -- -- -- -- -- 9.53 -- -- -- 12.7 -- -- -- -- -- --
42 1050 1066.8 -- -- -- -- -- -- 9.53 -- -- -- 12.7 -- -- -- -- -- --
44 1100 1117.6 -- -- -- -- -- -- 9.53 -- -- -- 12.7 -- -- -- -- -- --
46 1150 1168.4 -- -- -- -- -- -- 9.53 -- -- -- 12.7 -- -- -- -- -- --
48 1200 1219.2 -- -- -- -- -- -- 9.53 -- -- -- 12.7 -- -- -- -- -- --
52 1300 1321 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
56 1400 1422 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60 1500 1524 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
64 1600 1626 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
68 1700 1727 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
72 1800 1829 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
76 1900 1930 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
80 2000 2032 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --



 

Chemical Composition:

Steel Grade

Chemical Composition % 

S355J0H

C  max

Si max

Mn max

P max

S  max

N max

0.22

0. 55

1.60

0.035

0.035

0.009

S355J2H

0.22

0.55

1.60

0.030

0.030

_




 

Mechanical Properties:

Steel Grade

Tensile Strength Mpa

Yield Strength Mpa

Elongation (%)

S355J0H

450-680

355 min

22 min

S355J2H

450-680

355 min

22 min



 

Our Advantages for S355 Steel Pipe

· Competitive Price: We have long-term stable cooperation with raw material factories, mature and complete production supporting facilities, a rigorous quality control system, and an integrated model that keeps our production costs at a relatively low level.

· Fast Delivery Time: The production of steel pipes with standard specification can be completed in as fast as 7 days.

· Complete Certification: All types of certificates are available, including API 5L certificate, ISO 9001 certificate, ISO 14001 certificate, FPC certificate, Environmental Quality System certificate, and more.

· Advanced Production Equipment: We imported the equipment from Germany and developed independently four production equipments.

· Professional Team: We have over 300 employees, including more than 60 technical personnel, and possesses an independent equipment research team.

· Comprehensive Testing Facilities: We are equipped with various testing facilities, including but not limited to online ultrasonic automatic flaw detectors, industrial X-ray television and other essential testing equipment.




 

Application:

S355 Steel Pipe finds widespread use in various industries and applications, including:

· Construction: Used in building frames, columns, beams, and other structural components in residential, commercial, and industrial construction projects.

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· Infrastructure: Employed in bridges, highways, tunnels, and other infrastructure projects for support and reinforcement.

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· Machinery and Equipment: Utilized in the manufacturing of machinery, equipment frames, and supports for industrial applications.

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· Transportation: Used in the construction of trailers, railcars, and other transportation equipment requiring structural strength and integrity.

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Longma Group:

Hebei Longma Group Limited(LONGMA GROUP) is one of China leading ERW/LSAW steel pipe manufacturers since 2003, with a registered capital of 441.8 billion, covering an area of 230000 square meters. The company specializes in the production: large-diameter, thick-walled, double-sided, sub-arc-seam, welding steel pipe, LSAW-Longitudinal Submerged Arc Welded, ERW steel pipes. By the end of 2023, the company's annual output exceeded 1000000 tons.

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Contact Us

For inquiries, orders, or more information about Longma's S355 steel tube and other products, please contact us at info@longma-group.com. Our dedicated team is ready to assist you with expert advice, customized solutions, and fast delivery services to support your projects effectively.




 

FAQ

Q: What sets Longma's S355 Steel Pipe apart from other alternatives?

A: Longma's S355 Steel Pipe is distinguished by its exceptional strength, versatility, and cost-effectiveness, offering superior performance and value compared to other options in the market.

Q: Can Longma accommodate custom size requirements for steel pipes?

A: Yes, Longma offers custom manufacturing services to meet specific size and dimensional requirements, ensuring a perfect fit for every project.

Q: Is Longma's S355 Steel Pipe suitable for outdoor applications?

A: Absolutely. Our steel pipe is engineered to withstand outdoor environments, offering excellent corrosion resistance and durability even in harsh weather conditions.

Q: What quality assurance measures does Longma employ in the manufacturing process?

A: Longma adheres to stringent quality control standards throughout the manufacturing process, including rigorous material testing, dimensional inspections, and performance evaluations, to ensure the highest quality and reliability of our steel pipes.

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