
GOST 9567-75 10; 20; 35; 45; 10G2 Precision Steel Pipe Seamless Carbon Steel Pipe
Material
GOST 9567-75 defines seamless precision steel pipes made from various carbon steel grades including 10, 20, 35, 45, and 10G2. These materials are specially processed to ensure high dimensional accuracy, excellent surface finish, and superior mechanical properties. They are typically produced through hot or cold working methods without welding, ensuring superior strength and reliability.
Specification
- Standard: GOST 9567-75
- Type: Seamless precision carbon steel pipe
- Grades: 10, 20, 35, 45, 10G2
- Dimensions: Various diameters and wall thickness according to application requirements
- Tolerance: Tight dimensional tolerances for outer diameter, wall thickness, and length
- Surface: Smooth, with minimal surface defects
- Length: Typically supplied in cut lengths, as per customer requirement
Key Features
- Seamless construction leads to higher strength and reliability
- Excellent dimensional precision and surface quality
- Good weldability for construction and industrial fabrication
- Wide range of carbon steel grades suited for varying strength and toughness demands
- Good machinability and formability
- Suitable for high-pressure and mechanical applications
Chemical Composition
Steel Grade | C (%) | Mn (%) | Si (%) | P (%) max | S (%) max | Other Elements (%) |
10 | 0.08-0.13 | 0.17-0.37 | 0.17-0.37 | 0.035 | 0.035 | - |
20 | 0.17-0.24 | 0.50-0.80 | 0.17-0.37 | 0.035 | 0.035 | - |
35 | 0.32-0.39 | 0.50-0.80 | 0.17-0.37 | 0.035 | 0.035 | - |
45 | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | 0.035 | 0.035 | - |
10G2 | 0.08-0.13 | 0.50-0.90 | 0.17-0.37 | 0.035 | 0.035 | Cu, Ni, Cr trace |
Note: The ranges are typical values according to GOST 9567-75; actual chemical composition may slightly vary depending on producer.
Mechanical Properties
Steel Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
10 | 360-510 | 240-390 | ≥28 | ≤170 |
20 | 410-560 | 295-450 | ≥26 | ≤190 |
35 | 540-710 | 355-520 | ≥22 | ≤229 |
45 | 570-750 | 380-560 | ≥20 | ≤229 |
10G2 | 360-510 | 240-390 | ≥28 | ≤170 |
Steel Grade
- 10: Low carbon steel, used for general mechanical parts
- 20: Medium carbon steel, better strength and toughness than 10
- 35: Medium carbon steel suitable for parts with higher strength requirements
- 45: High carbon steel grade for components requiring high strength and wear resistance
- 10G2: A variant with controlled addition of elements like Cu, Ni, Cr to improve corrosion resistance and mechanical properties
Application
- Machine construction parts such as shafts, bushings, and sleeves
- Automotive components
- Hydraulic cylinders and pneumatic equipment
- Precision mechanical tools and instruments
- Pipes and tubes for instrumentation and transport of fluids under pressure
- Structural parts requiring seamless and precise steel pipe
Equivalent Grades
GOST 9567-75 | ASTM | DIN | JIS | ISO |
10 | ASTM A106 Grade A / A53 Grade A | St 12 | STK 3 | C10 |
20 | ASTM A106 Grade B / A53 Grade B | St 37-2 | STK 5 | C20 |
35 | ASTM A105 / A106 Grade C | St 52-3 | STKM 11 | C35 |
45 | ASTM A108 or 1045 Steel | C45 | SCM 440 | C45 |
10G2 | Similar to ASTM A333 Grade 6 steel | 16Mo3 | STKM 11A | 10G2 |






TORICH Group, an one-stop service provider of raw materials engaged in raw material production, R&D and
trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and
credibility among domestic and foreign customers.
The company's production plant covers an area of over 10,000 square meters, with an annual production
capacity of 50,000 tons of materials and a comprehensive trading and warehousing capacity of 100,000 tons, which can satisfy customers' personalized needs for raw materials in terms of diversity and timeliness.
The group holds shares in more than ten domestic production entities, whose main products include
seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings ( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.), aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC deep processing of metal materials such as tubes, rods, and casting parts.
Over the past 30 years, the company has been gradually developing new technologies and materials to meet
the growing needs of customers and various diversified needs, exporting to more than 56 countries and still
increasing the number of exporting countries, aiming to help customers to solve the demand for raw materials, and to facilitate one-stop purchasing for customers.
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.