Introduction: JIS G3456 seamless steel tube is a carbon steel pipe for high-temperature service. The tubes are manufactured by seamless process and the pipe shall be either hot-finished or cold-finished, as specified. The material used in the manufacture of these pipes is carbon steel, which has several advantages over other materials such as stainless steel or alloy steel. This article will provide detailed information on the material, specification, chemical composition, mechanical properties, steel grade, and application of JIS G3452 seamless steel tube.
Material: The material used in the manufacture of JIS G3456 seamless steel tube is carbon steel. Carbon steel is an alloy of iron and carbon, with small amounts of other elements such as manganese, silicon, sulfur, and phosphorus, added to improve its mechanical properties. Carbon steel is widely used in various industries due to its excellent strength, toughness, and impact resistance.
Specification: The specification of JIS G3456 seamless steel tube is as follows:
Outer diameter: 10.5-660.4mm Wall thickness: 1.7-25mm Length: Random length, fixed length, or customized length up to 12m Ends: Plain end, beveled end, threaded end Surface treatment: Black painting, varnish painting, anti-rust oil, hot galvanized, cold galvanized, 3PE, etc.
Chemical Composition: The chemical composition of JIS G3456 seamless steel tube is shown in the following table:
| Element | Chemical Composition (%) |
| Carbon | 0.22 max |
| Silicon | 0.35 max |
| Manganese | 1.30 max |
| Phosphorus | 0.040 max |
| Sulfur | 0.040 max |
Mechanical Properties: The mechanical properties of JIS G3456 seamless steel tube depend on the grade of steel used. The following table shows the mechanical properties of steel grades STPG370 and STPG410:
| Steel Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) |
| STPG370 | 215 min | 370 min | 30 min |
| STPG410 | 245 min | 410 min | 25 min |
Steel Grade: There are two grades of steel used in the manufacture of JIS G3456 seamless steel tube: STPG370 and STPG410. These grades have different mechanical properties, but both are suitable for high-temperature service.
Application: JIS G3456 seamless steel tube is widely used in various industries such as petroleum, chemical, power generation, boiler, and machinery manufacturing due to its excellent strength and high-temperature resistance. It is commonly used for transporting fluids and gases at high temperatures and pressures.
Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.
Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.
At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.
Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
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