GOST 8731 15XM Hot Rolled Seamless Steel Tube For General Purpose
Product Details
General Purpose Seamless Steel Tube
,15XM Seamless Steel Tube
,GOST 8731 Seamless Steel Tube
GOST 8731 10Г2 20X 30XCA 15XM 30XMA Seamless Steel Tube Seamless Hot-Rolled Steel Pipes For General Purpose
Material
The GOST 8731 standard specifies the requirements for seamless hot-rolled steel pipes used for general purposes. These pipes are manufactured from high-quality carbon steel, ensuring durability and reliability in various applications.
Specification
The seamless steel tubes and pipes under GOST 8731 are designed to meet specific dimensional and mechanical properties, making them suitable for a wide range of industrial applications. The standard outlines the manufacturing processes, testing methods, and quality assurance measures to ensure compliance with the required specifications.
Key Features
- Seamless Construction: Provides enhanced strength and reliability.
- High Durability: Suitable for high-pressure applications.
- Corrosion Resistance: Offers better performance in harsh environments.
- Versatile Applications: Can be used in various industries, including construction, oil and gas, and manufacturing.
Chemical Composition
| Steel Grade | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) |
|---|---|---|---|---|---|---|---|---|
| 10Г2 | 0.08-0.12 | 0.17-0.37 | 0.30-0.60 | ≤0.035 | ≤0.025 | - | - | - |
| 20X | 0.17-0.24 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.025 | - | - | - |
| 30XCA | 0.25-0.35 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.025 | 0.30-0.60 | - | - |
| 15XM | 0.12-0.20 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.025 | 0.30-0.60 | 0.30-0.60 | - |
| 30XMA | 0.25-0.35 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.025 | 0.30-0.60 | 0.30-0.60 | 0.10-0.20 |
Mechanical Properties
| Steel Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| 10Г2 | ≥ 245 | 400-540 | ≥ 22 | ≤ 160 |
| 20X | ≥ 245 | 400-540 | ≥ 22 | ≤ 160 |
| 30XCA | ≥ 245 | 400-540 | ≥ 22 | ≤ 160 |
| 15XM | ≥ 245 | 400-540 | ≥ 22 | ≤ 160 |
| 30XMA | ≥ 245 | 400-540 | ≥ 22 | ≤ 160 |
Steel Grade
The GOST 8731 standard includes several steel grades, such as 10Г2, 20X, 30XCA, 15XM, and 30XMA, each designed for specific applications and performance requirements.
Application
These seamless steel pipes are widely used in various industries, including:
- Construction: Structural components and frameworks.
- Oil and Gas: Pipelines and drilling equipment.
- Manufacturing: Machinery and equipment parts.
- Automotive: Chassis and structural components.
Possible Alternative Grades
While GOST 8731 specifies certain grades, alternative grades may be considered based on specific requirements, including:
- ASTM A106: Standard specification for seamless carbon steel pipes.
- API 5L: Specification for line pipe used in pipeline transportation systems.
- EN 10216: European standard for seamless steel tubes for pressure purposes.
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.
If you have another question, pls feel free to contact with me.
-
Auto Parts ASTM A513 Cold Rolling Welded Steel Tubes with DOM Production
Auto Parts ASTM A513 Welded Steel Tubes with DOM production ASTM A513 Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing Applications: for Machinery, Mechanical Engineering 1. Standard: ASTM A513 cold rolling welded precision steel tubes 2. Steel Grade: SAE1010, SAE1020, other materials upon agreement with customers. 3. Production method: Cold rolling on the weled steel tubes, to reach high accuracy on the OD and WT tolerance 4. Size range: O.D.:6-350mm W.T. -
25mm Diameter Bright Annealing Seamless Steel Tube for Hydraulic Systems
EN10305-1 E235 E355 NBK Bright Annealing Precision Steel Pipes for Hydraulic Systems EN10305-1 NBK Bright Annealed Precision steel pipes for Hydraulic system OD:4-80 (mm) WT0.5-10 (mm) Length 1000-12000mm Product name: Seamless Precision Steel Pipe Application: for hydraulic systems precision steel pipes for Hydraulic system OD (mm) WT (mm) Length (mm) 4 0.5 5800-6000 4.0 1.0 5800-6000 5.0 1.0 5800-6000 6.0 1.0 5800-6000 6.0 1.5 5800-6000 8.0 1.0 5800-6000 9.5 0.89 5800-6000 -
Precision Seamless Black Phosphating Steel Tube for Hydraulic Systems
Steel Pipes with high precision for Hydraulic Systems with Black Phosphating surface Black Phosphated Hydraulic Tubes with High Precision and tight tolerance, the tubes are produced by precision cold drawn and cold rolling, then bright annealed in a protected atmosphere, afterwards it is blackphosphated on the surface Production process: DIN series tubes, cold drawn and bright annealed precision seamless steel tube is used as the tube to be phosphated. The phosphorization is -
Precision Seamless Galvanized Steel Tubes DIN2391 EN103052 ST35.0 ST37
Precision Seamless Galvanized Steel Tubes DIN2391 EN103052 ST35.0 ST37 Production Process: Cold rolling by Cold pilger machine and Cold rolling machine,galvanized and zinc plated could be applied. Cold Rolled and Galvanized Steel Tube Production process: DIN highly accurate, cold rolled and bright seamless steel tube is used as the tube to be galvanized. The outer wall of tube is electroplated. The caps are covered at two ends of tube to prevent from the dust. Main Features:
