JIS G3462 Alloy Steel Boiler Tube

Specification

Product Details

Product \| Product application	Seamless steel tubes \| for high-pressure service - boiler
Standard	JIS
Dimensional standard	G3462 \| Alloy steel boiler and heat exchanger tubes.
TDC	G3462 \| Alloy steel boiler and heat exchanger tubes.
Steel grade	STBA24
Surface coating	Without coating
Dimensions	15.9 x 1.2 - 114.3 x 9.5 mm

Detail Dates

G3462 Alloy Steel Tubes Manufacturing Method

Designation of grade		Designation of manudacturing method
		Tube manufacturing method	Finishing method
Molybdenum steel tube	STBA12	Seamless : S Electric resistance welded : E	Hot finished : H Cold finished : C As electric resistance welded : G
	STBA13
Chromium-molybdenum steel tube	STBA20
	STBA22
	STBA23
	STBA24
	STBA25	Seamless : S	Hot finished : H Cold finished : C
	STBA26

G3462 Alloy Steel Pipes Chemical composition

Designation of grade	C	Si	Mn	P	S	Cr	Mo
STBA12	0.10 to 0.20	0.10 to 0.50	0.30 to 0.80	0.035 max.	0.035 max.	—	0.45 to 0.65
STBA13	0.15 to 0.25	0.10 to 0.50	0.30 to 0.80	0.035 max.	0.035 max.	—	0.45 to 0.65
STBA20	0.10 to 0.20	0.10 to 0.50	0.30 to 0.60	0.035 max.	0.035 max.	0.50 to 0.80	0.40 to 0.65
STBA22	0.15 max.	0.50 max.	0.30 to 0.60	0.035 max.	0.035 max.	0.80 to 1.25	0.45 to 0.65
STBA23	0.15 max.	0.50 to 1.00	0.30 to 0.60	0.030 max.	0.030 max.	1.00 to 1.50	0.45 to 0.65
STBA24	0.15 max.	0.50 max.	0.30 to 0.60	0.030 max.	0.030 max.	1.90 to 2.60	0.87 to 1.13
STBA25	0.15 max.	0.50 max.	0.30 to 0.60	0.030 max.	0.030 max.	4.00 to 6.00	0.45 to 0.65
STBA26	0.15 max.	0.25 to 1.00	0.30 to 0.60	0.030 max.	0.030 max.	8.00 to 10.00	0.90 to 1.10

G3462 Alloy Steel Pipe Heat Treatment

Designation of grade	Heat treatment
STBA12 STBA13	Low temperature annealing, isothermal annealing, full annealing, normalizing or normalizing followed by tempering
STBA20 STBA22	Low temperature annealing, isothermal annealing, full annealing or normalizing followed by tempering
STBA23 STBA24 STBA25 STBA26	Isothermal annealing, full annealing or normaHzing followed by tempering
Notes a) Low temperature annealing shall not be applied to the electric resistance welded steel tube. b) The tempering temperature for STBA 23, STBA 24, STBA 25 and STBA 26 shall be 650 °C or higher.

Why Choose Us

1. 15 years of steel experience
2. Inventory of more than 100,000 tons
3. Products are exported to more than 150 countries and regions, such as Southeast Asia, South Africa, South America and so on.

Projects

Square Tube Application

Feb 07, 2023

Rectangular tube is a kind of hollow long steel, also called flat tube, flat square tube or square flat tube (as the name implies). With the same bending and torsional strength, it is lighter in weight, so it is widely used for manufacturing mechanical parts and engineering structures.

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Welded Pipe Application

Dec 27, 2022

Welded pipes are further divided into general welded pipes, galvanized welded pipes, oxygen blown welded pipes, electric wire casing, metric welded pipes, roller pipes, deep well pump pipes, automotive pipes, transformer pipes, electric welded thin-walled pipes, electric welded shaped pipes and spiral welded pipes according to their applications.

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Carbon Steel Pipe Application

Feb 07, 2023

Carbon steel pipe carbon steel pipe is divided into two categories: hot-rolled and cold-rolled (drawn) steel pipe. The hot-rolled carbon steel pipe is divided into: ordinary steel pipe, low and medium pressure boiler steel pipe, high pressure boiler steel pipe, alloy steel pipe, stainless steel pipe, petroleum cracking pipe, geological steel pipe and other steel pipe.

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Aluminum Pipe Application

Feb 07, 2023

Aluminum tubes are widely used in all walks of life, such as: automobiles, ships, aerospace, aviation, electrical appliances, agriculture, electromechanics, home furnishings, etc. Aluminum tubes have been ubiquitous in our lives.

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Square Tube Application

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Stainless Steel Pipe Application

Feb 07, 2023

Stainless steel pipe is a kind of hollow long round steel, mainly widely used in petroleum, chemical, medical, food, light industry, mechanical instrumentation and other industrial transmission pipeline and mechanical structure parts, etc., also widely used in the manufacture of mechanical parts and engineering structures. It is also commonly used as furniture and kitchenware, etc.

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Stainless Steel Pipe Application

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Aluminum Pipe Application

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Carbon Steel Pipe Application

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Steel Pipe Pile Application

Feb 07, 2023

Steel pipe piles are suitable for foundations in wharf and harbor construction, and their diameters generally range from 400-2000mm, with the most commonly used at 1800mm.

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Introduction to our quality control

Gnee steel group is a supply chain integrated enterprise including steel plate, coil, profile, outdoor landscape design and processing.

Patents

FAQ

We have a certain scale capacity to ensure your order delivery cycle.

Are you a factory or trading company?

We are professional manufacturer, and our company also is a very professional a trade company for steel products. We can provide a wide range of steel products.

Can I get samples before order ?

Yes, of course. Usually our samples are free. we can produce by your samples or technical drawings.

What is our quality inspection standard?

Our key qualities and services comprise of:
• Quality assured goods
• Multiple payment modes
• Experienced crew
• Prompt shipment
• Ethical business policies
• Wide distribution network

Which certifications have we acquired?

GNEE Steel Pipe has the following certification:
• GST CERTIFICATE
• CERTIFICATE OF INCORPORATION
• CERTIFICATE OF IMPORT EXPORT CODE
• ISO CERTIFICATE
• CE CERTIFICATE
• MANUFACTURING CERTIFICATE

Can GNEE Steel Pipe customise the design as per my requirement?

Yes, GNEE Steel Pipe specializes in precisely manufacturing products according to the customers unique needs and requirements.

GNEE Steel Pipe is strategically located to serve the entire country and the whole world’s Alloy Pipe, Low Temperature Pipe, Boiler&Heat exchanger Tube, high-strength structural pipe ,Stainless steel & carbon steel pipes/tubes, and pipe fittings’ requirements.

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Products

Seamless Pipe

Alloy Steel Pipe

Stainless Pipe

API 5L Pipe

Aluminum Pipe

Carbon steel Pipe

Square Tube

API Oil Pipe

Welded Pipe

Steel Pipe Pile