We Super Steel Manufacturing Co.,Ltd(SMC) are amongst the top manufacturers and suppliers for the seamless steel pipe, welded steel pipe, OCTG products and fittings from China. We have been manufacturing and supplying these products to the industry since 1993, and received repeat orders and appreciation from our valued customers.
High quality piping products from approved manufacturers.
In order to continuously improve our offerings to our clients, we have consistently improved and upgraded our manufacturing facility and can hence offer material with stringent requirements.
Over the years, Super Steel Manufacturing Co.,Ltd(SMC) has developed an enviable reputation for project management for the Oil & Gas, Construction, Power Energy, Marine & Offshore, Water Treatment, Exploration & Drilling Services, Pipeline & Petrochemical and other heavy industries.
The many years of experience that we have means that there is always someone who has the ability to carry a project forward.
Always up to date. In this column you can find the steel pipe related articles, including industry trends, product standards and materials, and some technical guidelines.
Choosing an ERW steel pipe supplier involves more than comparing prices. Buyers also need to consider dimensional availability, applicable standards, quality inspection, and the flexibility to meet project-specific requirements.
Super Steel provides ERW/HFW steel pipe in a range of sizes, grades, standards, and surface finishes. These options allow buyers to specify products according to their technical requirements and intended applications.
Different projects require different pipe dimensions, lengths, end configurations, and surface treatments. Super Steel offers a range of ERW steel pipe specifications to accommodate these requirements.
|
Specification |
Available Range |
|
Outside Diameter |
21.3–660.4 mm |
|
Wall Thickness |
1.0–22.2 mm |
|
Length |
5.8 m / 6 m / 11.8 m / 12 m or custom |
|
Pipe Ends |
Square cut (plain ends), beveled ends, threaded and coupled (T&C) |
|
Surface Treatment |
Bare, black painting, varnished, hot-dipped galvanized, 3LPE, FBE |
This product range gives buyers flexibility when preparing technical inquiries. Whether a project requires standard commercial lengths, customized pipe lengths, or specific end preparations, the requirements can be defined according to the project specification.
ERW steel pipes are used in pipeline transportation, structural engineering, piling, and other industrial applications. The applicable standard and steel grade should therefore be selected according to the intended service and project requirements.
Super Steel offers ERW steel pipe options under several international standards:
|
Standard |
Available Grades or Product Options |
|
API 5L |
Grade B, X42, X46, X52, X56, X60, X65, X70 |
|
ASTM A53 |
Grade A, Grade B |
|
ASTM A500 |
Structural pipe grades |
|
EN 10219 / EN 10217 |
European standard options |
|
AS/NZS 1163 |
Structural steel hollow sections |
|
ASTM A252 |
Steel pipe piles |
These standards cover different product applications and technical requirements. Buyers should confirm the required standard, grade, and applicable edition before placing an order.
Consistent quality inspection is essential for ERW steel pipe, particularly when the longitudinal weld seam is a critical part of the product's performance.
According to the supplied product information, Super Steel's ERW pipes undergo several inspection procedures during production and before delivery.
Typical quality checks include:
Hydrostatic Testing: Each pipe undergoes full-length hydrostatic testing to evaluate pressure integrity under specified test conditions.
Eddy Current or Ultrasonic Testing: Online inspection is used to examine the pipe and identify relevant discontinuities.
Dimensional Inspection: Final checks verify key dimensions before the pipes are marked.
These inspection procedures help assess product conformity and support quality control throughout the manufacturing process. The specific testing scope and acceptance criteria should be confirmed against the applicable product standard and purchase requirements.
ERW pipe requirements can vary considerably depending on installation methods, operating environments, and project specifications. Super Steel offers different options for pipe length, end preparation, and surface treatment to accommodate these differences.
For example, beveled ends can be specified for applications involving field welding. Where corrosion protection is required, buyers can select suitable surface treatments such as hot-dip galvanizing, 3LPE, or FBE according to the service environment and project coating specification.
Customized pipe lengths are also available as an option, helping buyers coordinate product dimensions with transportation, installation, and project planning.
Selecting an ERW steel pipe supplier requires careful consideration of product specifications, applicable standards, inspection procedures, and supply flexibility.
With a stated outside diameter range of 21.3–660.4 mm, wall thicknesses of 1.0–22.2 mm, multiple international standard options, and different surface treatments, Super Steel provides ERW/HFW pipe choices for a variety of project requirements.
Buyers can provide their required dimensions, steel grade, standard, coating, inspection scope, and order quantity to establish a clear basis for product selection and quotation.
1. What is the available size range of Super Steel ERW pipes?
Super Steel ERW pipes are available in outside diameters from 21.3 mm to 660.4 mm and wall thicknesses from 1.0 mm to 22.2 mm.
2. Which standards are available for Super Steel ERW steel pipes?
Available standards include API 5L, ASTM A53, ASTM A500, EN 10219, EN 10217, AS/NZS 1163, and ASTM A252.
3. What steel grades can be supplied for API 5L ERW pipes?
The available API 5L grades include Grade B, X42, X46, X52, X56, X60, X65, and X70.
4. What inspection methods are used for ERW steel pipes?
The stated inspection procedures include full-length hydrostatic testing, online eddy current or ultrasonic testing, and final dimensional inspection.
5. Can Super Steel provide customized ERW pipe lengths and surface treatments?
Yes. Available options include customized lengths, different pipe-end configurations, and surface treatments such as black painting, varnishing, hot-dip galvanizing, 3LPE, and FBE.
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