GOST 17375 steel pipe elbows are butt-welded elbows manufactured from carbon and low-alloy steel for industrial piping systems. The GOST 17375-2001 standard covers sharply curved 3D elbows with a radius of approximately 1.5 × DN, including 45°, 60°, 90°, and 180° configurations.

RAYOUNG supplies GOST 17375 carbon steel elbows for distributors, stockists, engineering contractors and industrial piping projects. Standard sizes and project-specific requirements can be discussed according to the required dimensions, material grade, quantity and inspection requirements.

Need GOST 17375 elbows for stock or an industrial project? Send us your size, material and quantity for a quotation.

GOST 17375 Elbow Specification

 

Item	Specification
Product	GOST 17375 Seamless Pipe Elbow
Standard	GOST 17375-2001
Product Type	Seamless butt-welding elbow
Material	Carbon steel / Low-alloy steel
Elbow Type	3D, R ≈ 1.5 × DN
Common Angles	45°, 60°, 90°, 180°
Manufacturing	Hot forming/pressing/forming from seamless pipe
End Preparation	Beveled for butt welding
Size Range	DN 15–DN 2400 / 1/2″–96″ subject to product configuration
Wall Thickness	According to required pipe/fitting specification
Surface	Black, oil-coated, blasted or customized
Inspection	Dimensional, visual, material, and other project-specified inspection
Packaging	Bundles, pallets, plywood cases or customized export packaging
Application	Oil & gas, petrochemical, chemical, power, water and industrial piping

Note: Actual size, wall thickness, material grade and manufacturing configuration should be confirmed against the applicable purchase specification before production.

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What Is a GOST 17375 Elbow?

GOST 17375-2001 specifies seamless butt-welding elbows made from carbon and low-alloy steel. The standard covers sharply curved 3D elbows, where the bending radius is approximately 1.5 times the nominal diameter.

The elbow is installed by butt welding it directly to the pipe. This creates a continuous welded connection and is commonly used in permanent industrial piping systems.

Unlike a generic “GOST elbow,” a proper GOST 17375 specification identifies the standard, fitting geometry, size and material requirements. This distinction is important when purchasing fittings for Russian, CIS, or other projects using GOST specifications.

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GOST 17375 3D Elbow: What Does 3D Mean?

One of the most important technical details of GOST 17375 is its 3D radius.

For GOST 17375: R ≈ 1.5 × DN

This means the centerline radius is approximately 1.5 times the nominal diameter.

For example, when comparing different GOST elbow standards, GOST 17375 represents the 3D configuration, while GOST 30753-2001 covers 2D elbows with R = DN.

This distinction matters when replacing an existing elbow or preparing a fabrication drawing. A 3D elbow and a 2D elbow should not be treated as interchangeable without checking the piping design.

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GOST 17375 Elbow Types

GOST 17375 covers several elbow angles, allowing the fitting to accommodate different piping layouts.

90 Degree Elbow

The GOST 17375 90 degree elbow is commonly used when the pipeline needs to change direction by 90°.

45 Degree Elbow

A GOST 17375 45 degree elbow provides a smaller directional change and can be used where the piping arrangement requires a more gradual change in direction.

60 Degree Elbow

The 60° configuration is useful for project-specific piping layouts where a 45° or 90° fitting does not provide the required geometry.

180 Degree Elbow

A 180° configuration can be used where the pipeline needs to reverse direction, subject to the applicable design and installation requirements.

The GOST 17375-2001 standard specifically identifies 45°, 60°, 90° and 180° elbow angles.

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GOST 17375 Elbow Dimensions

 

For stockists and distributors, it is better to provide the actual pipe outside diameter and wall thickness when possible rather than relying only on a nominal DN.

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GOST 17375 Carbon Steel Elbow Materials

GOST 17375 is intended for carbon and low-alloy steel elbows.

Depending on the project specification, material requirements may include carbon steel or low-alloy steel grades suitable for the intended service conditions.

Commonly requested materials in the GOST fitting market include:

• Steel 20 / St20
• 09G2S
• Other carbon steel grades
• Low-alloy steel grades according to project requirements

Material selection should consider:

• Operating temperature
• Working pressure
• Piping medium
• Impact requirements
• Corrosion environment
• Connected pipe material
• Applicable project specification

The fitting material should be confirmed before production. GOST 17375 identifies the fitting standard, but the purchasing specification still needs to define the required material grade.

 

GOST 17375 vs GOST 30753 Elbows

These two GOST standards are easy to confuse during procurement.

Feature	GOST 17375-2001	GOST 30753-2001
Fitting	Seamless butt-welding elbow	Seamless butt-welding elbow
Radius	3D, R ≈ 1.5DN	2D, R = DN
Material	Carbon & low-alloy steel	Carbon & low-alloy steel
Typical distinction	Larger bending radius	Tighter bending radius
Main consideration	Piping geometry	Space / routing requirements

Both standards are active in the Russian standards database, but they define different elbow geometries.

Do not substitute one for the other without checking the project drawing and piping specification.

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Manufacturing Process of GOST 17375 Seamless Elbows

A typical manufacturing route includes:

1. Raw Material Inspection

The seamless pipe or starting material is checked against the required material specification and dimensions.

2. Cutting

The pipe is cut to the required length for forming.

3. Hot Forming

The material is heated and formed into the specified elbow geometry.

4. Dimensional Control

The elbow is checked for diameter, wall thickness, radius, angle and overall dimensions.

5. End Beveling

The ends are prepared for butt welding according to the applicable requirements.

6. Surface Treatment

Depending on the order, fittings may be supplied with anti-rust oil, blasted surfaces or other specified treatments.

7. Final Inspection

Finished elbows are visually and dimensionally inspected before packing.

The exact production route can vary according to size, material and project requirements.

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Quality Control for GOST 17375 Elbows

For international buyers, quality control should cover more than visual appearance.

Depending on the purchase order, inspection may include:

• Raw material verification
• Chemical composition
• Mechanical properties
• Visual inspection
• Dimensional inspection
• Wall thickness measurement
• Surface inspection
• Non-destructive testing when specified
• Material certificate review
• Third-party inspection when required

RAYOUNG can also arrange inspection requirements such as SGS inspection and ultrasonic testing according to the customer’s project requirements.

Inspection requirements should be agreed before production rather than added after the fittings have been manufactured.

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GOST 17375 Elbows for Distributors and Stockists

For a distributor, the purchasing decision is not based only on the price of one elbow.

The more important question is whether the supplier can provide consistent products across repeated orders.

When sourcing GOST 17375 elbows for inventory, consider:

Stable Dimensions

Different production batches should remain consistent with the agreed specification.

Material Traceability

Material certificates and batch information should be available when required.

Mixed-Size Supply

A supplier should be able to handle different DN sizes and wall thicknesses within the same purchase order.

Export Packaging

Fittings need adequate protection against impact, moisture and corrosion during container transportation.

Repeat Orders

For stockists, the ability to replenish common sizes is often more valuable than a one-time low price.

Technical Support

The supplier should be able to review drawings and clarify standard, material and dimensional requirements before production.

RAYOUNG supplies GOST fittings for international industrial customers and supports bulk and mixed-size requirements. And we had supplied customers in markets including Russia, Belarus, Kazakhstan and Uzbekistan.

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GOST 17375 Elbow Applications

GOST 17375 elbows are used in industrial piping systems where the applicable design specification calls for this type of carbon or low-alloy steel butt-welding elbow.

Typical applications include:

• Oil and gas
• Petrochemical plants
• Chemical processing
• Power generation
• Natural gas systems
• Industrial water systems
• Shipbuilding
• General process piping

The appropriate material and dimensions should always be selected according to the operating conditions and project specification.

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How to Order GOST 17375 Steel Elbows

To receive an accurate quotation, send the following information:

Product: GOST 17375 seamless elbow Standard: GOST 17375-2001 Angle: 45° / 60° / 90° / 180° Size: DN or outside diameter Wall thickness: Required thickness Material: Required steel grade Quantity: Number of pieces Inspection: Standard or third-party inspection requirements Documentation: MTC, inspection report and other required documents Packaging: Standard export or customized packaging

Example RFQ

GOST 17375-2001 seamless carbon steel elbows, 90°, DN100, wall thickness 6 mm, St20, 100 pcs, export packing, MTC required.

Providing this information at the quotation stage allows the supplier to confirm availability, production requirements and lead time more accurately.

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Packaging and Delivery

For overseas shipments, proper packaging is important because pipe fittings may remain in transit or storage for an extended period.

Depending on the size and order quantity, GOST 17375 elbows can be packed in:

• Plastic bags
• Steel or wooden pallets
• Plywood cases
• Bundles
• Customized export packaging

For distributors, mixed-size container loading can also help improve warehouse replenishment efficiency.

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RAYOUNG- GOST 17375 Elbows Supplier China

RAYOUNG has manufactured industrial pipe fittings since 1983, with a product range covering butt weld fittings, flanges and steel pipes.

For GOST projects, our supply support includes:

• GOST 17375 seamless elbows
• Carbon steel and low-alloy steel options
• Multiple elbow angles
• Standard and customized requirements
• Dimensional inspection
• Material documentation
• Export packaging
• Mixed-size orders
• Third-party inspection when required

Frequently Asked Questions

What is GOST 17375?

GOST 17375-2001 is a standard for seamless butt-welding elbows made from carbon and low-alloy steel. It specifies sharply curved 3D elbows with R approximately 1.5DN.

What angles are covered by GOST 17375?

The standard covers 45°, 60°, 90° and 180° elbow configurations.

What is the radius of a GOST 17375 elbow?

GOST 17375-2001 defines a 3D elbow with R approximately 1.5 × DN.

What is the difference between GOST 17375 and GOST 30753?

GOST 17375 covers 3D elbows with approximately R=1.5DN, while GOST 30753 covers 2D elbows with R=DN.

Are GOST 17375 elbows seamless?

Yes. GOST 17375-2001 specifically covers seamless butt-welding elbows made from carbon and low-alloy steel.

Can I order GOST 17375 elbows for warehouse stock?

Yes. Distributors and stockists can order common sizes for inventory or combine multiple sizes and specifications in one bulk purchase, subject to availability.

Can GOST 17375 elbows be customized?

Standard GOST configurations should be supplied according to the applicable standard. If you require a non-standard angle, dimension or special configuration, provide a drawing or technical specification so the requirement can be reviewed separately.

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Request a Quote for GOST 17375 Elbows

Whether you are replenishing warehouse stock or purchasing fittings for an industrial project, send us the GOST standard, elbow angle, size, wall thickness, material and quantity.

RAYOUNG can review your requirements and provide a quotation, technical information and production details based on your specification.

Email: info@hb-steel.com