BS 1387 GALVANIZED STEEL PIPE

Commodity name： BS 1387 GALVANIZED STEEL PIPE

BS 1387 is a British standard that mainly specifies the dimensions, materials, processes, and performance requirements for welded black pipes and hot-dip galvanized steel pipes. It applies to light, medium, and heavy-duty steel pipes with diameters ranging from DN8 to DN150.

subcategory：

Hot Dip Galvanized Steel Pipe

Scaffolding Pipe

Tel：

008613821394999

E-mail：

sales@briskmetal.com

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PRODUCT

Brisk Metalwork Co.,Ltd focus on produce and supply hollow section and steel pipe

Gi Pipe Class A B C Thickness Chart

Class A light tubes / Class B medium tubes / Class C heavy tubes

Out diameter	Light Steel Tube Wall Thickness	Medium Steel Tube Wall Thickness	Heavy Steel Tube Wall Thickness
inch	mm	mm	mm
1/2"	2.0	2.6	3.2
3/4"	2.3	2.6	3.2
1"	2.6	3.2	4.0
1-1/4"	2.6	3.2	4.0
1-1/2"	2.9	3.2	4.0
2"	2.9	3.6	4.5
2-1/2"	3.2	3.6	4.5
3"	3.2	4.0	5.0
4"	3.6	4.5	5.4
5"	-	5.0	5.4
6"	-	5.0	5.4

Chemical Composition and Mechanical Properties

Steel Grade	Chemical Composition %				Mechanical Properties
	C	Mn	P	S	Yield Strength ReH	Tensile Strength Rm	Elongation A
	Max	Max	Max	Max	Min	/	%
S195	0.20	1.20	0.045	0.045	195	320–460	≥ 20%

Applicant Field

Fluid transportation: Piping systems for water, gas, air, steam, low-pressure oil, etc.
Building structures: Scaffolding, railings, supports, steel structural components.
Engineering installation: Electrical conduit, HVAC, fire protection piping.
General industry: Equipment frames, conveyor lines, agricultural irrigation, municipal engineering.
Surface treatment: Can be finished as black pipe or hot-dip galvanized to improve corrosion resistance.

Core Advantage

Brisk Steel Group is rooted in a culture of "technology as the backbone, quality as the soul, and customers as the heart." Through relentless innovation, global expansion, and a commitment to responsibility, we strive to become a trusted global partner and a technological benchmark in the steel manufacturing industry.

Craftsmanship with Precision

We adhere to a rigorous quality control system that spans the entire production process—from raw material procurement and manufacturing to product delivery—ensuring the highest standards of excellence.

Innovation-Driven Technological Leadership

We prioritize R&D and technological advancement, integrating cutting-edge production lines (e.g., JCOE large-diameter LSAW pipe production) and expert teams from countries like Germany and the Netherlands to maintain our position at the forefront of the industry.

Globalization and Open Collaboration

Actively engaging in the global supply chain, we have obtained international certifications such as CE marking, enabling our products and services to reach worldwide markets.

Professional Team and Talent Empowerment

We value the recruitment and development of technical talent, building an international and professional team that drives continuous growth.

Hot Dip Galvanized Steel Tube

HOT DIPPED GALVANIZED HOLLOW SECTION