Seamless Steel Pipe

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Seamless Steel Pipe

Product Origin:	China
MinimumOrder Quantity:	3 tons
Packaging Details:	Standard export packaging or as per customer requirements.
Delivery Time:	3 – 5 days
Payment Method:	Letter of Credit, Telegraphic Transfer, Western Union Remittance
Supply Capacity:	6,000 tons per month
Delivery Method:	FOB/CFR/CNF/CIF/EXW

Product Description

Overview of Seamless Steel Pipe Products:

Core Definition:

Seamless steel pipes are manufactured by piercing solid round steel billets and processing them through hot rolling, cold rolling, or cold drawing processes, resulting in pipes with an integral, weld-free structure. Their cross-section is a closed ring, featuring excellent pressure-bearing integrity and uniform mechanical properties.

Main Characteristics:

Weld-free: Eliminates welds, which are potential weak points, enabling stronger pressure resistance and higher safety and reliability.

High strength: Possesses a uniform metal flow structure and excellent mechanical properties, capable of withstanding higher pressures and loads.

Flexible specifications: Can be produced as small-diameter to large-caliber thick-walled pipes, with a wide range of wall thicknesses.

Resistant to harsh media: Suitable for high-temperature, high-pressure, low-temperature, and corrosive environments.

Main Classifications and Standards:

Seamless steel pipes are mainly classified by application into pressure-bearing pipes, structural pipes, and special-purpose pipes.

Core Value Proposition:

With its unparalleled pressure-bearing integrity, excellent mechanical properties, and high reliability under harsh working conditions, seamless steel pipes have become indispensable key basic materials in high-end industrial fields such as energy, chemical engineering, and machinery.

Standards and Grades of Seamless Steel Pipes

Standard	Steel Grade			Coating
EN 10216-1	P195TR1/2	P235TR1/2	P265TR1/2	Galvanizing, heat preservation, plastic coating, 3PE, TPEP, epoxy coal tar pitch
EN 10216-2	P235GH	P265GH	16Mo3
EN 10216-2	13CrMo4-5	10CrMo5-5	X10CrMoVNb9-1
EN 10216-5	1.4301(304)	1.4307(304L)	1.4401(316)
EN 10216-5	1.4404(316L)	1.4541(321)	1.4571(316Ti)
EN 10210-1	S235J2H	S275J2H	S355J2H
EN 10297-1	E235	E355	C35E
EN 10297-1	C45E	42CrMo4
ASTM A106/A106M	Grade A	Grade B	Grade C	Galvanizing, heat preservation, plastic coating, 3PE, TPEP, epoxy coal tar pitch
ASTM A53/A53M	Grade A	Grade B
ASTM A333/A333M	Grade 1（-50°）	Grade 3（-45°）	Grade 6（-45°）
ASTM A335/A335M	P5(5Cr-0.5Mo)	P9(9Cr-0.5Mo)	P22(2.25Cr-1Mo)
ASTM A335/A335M	P91(9Cr-1Mo-V)	P11(1.1Cr-0.5Mo)
ASTM A312/A312M	TP304/L	TP316/L	TP321/L
ASTM A500	Grade B	Grade C
API5L	PSL1:A,BX42-X80	PSL2:B,BX42-X80
GOST8731-87	10-20	35-45	09G2S	Galvanizing, heat preservation, plastic coating, 3PE, TPEP, epoxy coal tar pitch
GOST8733-87	10	20	30XFCA
GOST9940-81	12X18H10T(321)	08X17H13M2T(316Ti)	10X17H13M2T(316)
GOST32569-2013	K55	K60	K65
GOST R54159-2010	20	15XM	12X1Mφ
GB/T8163-2018	20	Q345B
GB/T8162-2018	45	Q345C
GB/T5310-2017	20G	15CrMoG	12Cr1MoVG
GB/T9948-2025	10,20	15CrMo	1Cr5Mo
GB/T3639-2021	20	45
GB/T14976-2025	06Cr19Ni10(304)	022Cr17Ni12Mo2(316L	022Cr19Ni10(304L)

Midwest Steel Supply Services

Precision Manufacturing and Lightweighting

Excellent material performance and process adaptability.

Technical solutions, not just products. Provide lightweight solutions from material selection, structural design to process optimization.

Extremely high dimensional accuracy and consistency.

Performance and precision guarantee. Ensure extremely high dimensional accuracy, consistent mechanical properties and excellent surface quality of the pipes through precision manufacturing.

Excellent performance-to-weight ratio

Stable supply and quality. Guarantee highly stable quality between product batches and realize fast, on-time and flexible delivery.

Service Highlights - Precision Processing and Customization

Accurate "on-time delivery" capability.

It is not just about being on time, but about being able to deliver the required specifications of steel pipes in precise batches and sequences according to the customer's project progress. This can greatly reduce the customer's inventory pressure and capital occupation, and ensure the continuity of their production.

In-depth "technical collaboration and customization" capability

We can not only produce standard products, but also provide technical support such as material selection, process optimization, and non-standard customization according to the customer's special working conditions (such as high pressure, corrosion, and extreme temperatures), upgrading from a "supplier" to a "solution partner"..

Technological Collaborative Innovation

Coating Upgrade Solution

Corrosion prevention and thermal insulation options are available, such as galvanizing/PE/TPEP, which significantly enhances corrosion resistance to pass a 1000-hour salt spray test.

Digital Selection System

Using AI technology, based on the application parameters input by customers, quickly match and generate customized seamless anti-corrosion steel pipe solutions.

24 - hour Sample Testing Service

Small - batch test coils are provided to support customers' process verification, ensuring that the products meet specific requirements.

Technical Response and Delivery

Guigang provides round - the - clock technical support to ensure that customers' problems are responded to and resolved promptly.

It is promised that only 72 hours are needed from order receipt to product delivery, meeting the needs of urgent orders.

Customers can make an inquiry with one click on the official website and quickly obtain free samples for testing.

A dedicated customization hotline is provided to enable customers to communicate directly with the technical team and fulfill personalized requirements.