GOST Buttweld Fittings
Elbows: 45°, 90°, 180° (Long Radius & Short Radius)
Tees: Equal Tee, Reducing Tee
Reducers: Concentric Reducer, Eccentric Reducer
Others: Caps, Stub Ends, Crosses
Size Range: 1/2" – 48" (DN15 – DN1200) | Larger sizes available on request.
Wall Thickness: SCH 10S, SCH 40, SCH 80, SCH 160, SCH XXS (Per ASME B16.10).
Material Grades:
Carbon Steel: ASTM A234 WPB (Most common), WPC.
Low-Temp Steel: ASTM A420 WPL3, WPL6.
High-Yield/Alloy: ASTM A860 WPHY 42/52/60/70; ASTM A234 WP11/WP22.
Stainless Steel: ASTM A403 WP304/L, WP316/L.
End Finish: Standard Beveled Ends for easy buttwelding.
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Product Introduction
GOST Buttweld Fittings - Professional Manufacturer & Supplier
GOST Buttweld Fittings Manufacturer
Hebei Jinsheng Pipe Fitting Manufacturing Co., Ltd. specializes in fabricating premium GOST buttweld fittings with over 40 a long time of demonstrated industry ability. Our cutting edge generation office ranges 7,000 square meters, conveying yearly deals surpassing RMB 100 million with month to month shipments over 50 holders. We fabricate high-quality butt weld fittings agreeing to GOST 17375-2001, GOST 30753-2001, and GOST 12220-84 measures, covering sizes from 21.3mm to 820mm external distance across. Our weight evaluations reach up to 16 MPa (160 bar), with divider thickness extending from 2.0mm to 30mm. Quality certifications incorporate ISO 9001, CE, and GOST-R standards.
GOST Buttweld Fittings Overview
Fittings are precision-engineered pipe fittings fabricated agreeing to Russian state measures (GOST). These fittings give consistent associations in channeling frameworks through butt-welding forms, guaranteeing predominant quality and leak-proof execution. Our comprehensive extend incorporates elbows, tees, reducers, and caps outlined for oil and gas, chemical preparing, water treatment, and control era applications.
Our fittings comply with GOST 17375/17378/17376/17379 for carbon and low-alloy steel, also GOST 30753 for stainless steel applications. Each fitting experiences thorough quality control to meet requesting mechanical requirements.





Key Features & Advantages
Metric Exactness Measuring: Our GOST buttweld fittings highlight strict adherence to metric external distances across, dispensing with jumble issues common with inch-based options when interfacing to Russian-standard pipelines.
High Weight Astuteness: Outlined for particular PN (Nominal Pressure) evaluations with fortified divider thickness at basic push focuses, guaranteeing security amid warm extension and weight surges.
Consistent Ovality Control: Tight roundness resistances anticipate arrangement issues amid welding, keeping up auxiliary judgment in long-distance pipeline installations.
Weld-Ready Beveling: Precision-machined incline closes agreeing to GOST 17380 measures guarantee uniform crevices amid welding, encouraging more profound infiltration and decreasing deformity risks.
Weather-Resistant Security: Specialized anti-corrosion coatings (dark polish or defensive oils) ensure steel amid travel and open air capacity in extraordinary temperatures.
Permanent Traceability: Deep-stamped markings incorporate standard assignment, measure, steel review, and warm number for long-term recognizable proof and security audits.
Technical Specifications
| Parameter | Specification |
|---|---|
| Governing Standards | GOST 17375/17378/17376/17379 (Carbon & Low-alloy steel) GOST 30753 (Stainless steel) |
| Execution Types | Execution 1: ISO alignment Execution 2: Russian standard |
| Size Range (OD) | 21.3mm - 820mm |
| Common Diameters | 57mm, 76mm, 89mm, 108mm, 133mm, 159mm, 219mm, 273mm, 325mm |
| Pressure Ratings | Up to 16 MPa (160 bar) |
| Wall Thickness | 2.0mm - 30mm |
| End Preparation | V-bevels per GOST 17380 |
Standards & Certifications
Our manufacturing processes strictly follow international quality management systems:
- GOST 17375-2001: Carbon steel butt-welded fittings
- GOST 30753-2001: Stainless steel fittings for corrosion-resistant applications
- GOST 12220-84: Oil and gas industry specifications
- ISO 9001: Quality management system certification
- CE Marking: European conformity standards
- GOST-R: Russian technical regulation compliance





Chemical Composition & Mechanical Properties
Carbon Steel Materials: St20, St35.8, St42 with excellent weldability and strength characteristics suitable for general industrial applications.
Alloy Steel Options: 13Cr, 14CrMo, 18CrMo providing enhanced corrosion resistance and high-temperature performance for demanding environments.
Stainless Steel Grades: 12X18H10T, 08Cr18Ni10 offering superior corrosion resistance for chemical processing and food industry applications.
All materials undergo comprehensive testing including chemical analysis, mechanical property verification, and non-destructive testing to ensure compliance with GOST specifications.
Manufacturing Process
Our advanced manufacturing process combines traditional craftsmanship with modern technology:
- Material Selection: Premium steel billets sourced from certified suppliers
- Hot Forming: Precision forming using hydraulic presses and mandrels
- Heat Treatment: Controlled annealing and stress relief for optimal properties
- Machining: CNC machining for precise dimensions and bevel preparation
- Quality Inspection: Dimensional verification, visual inspection, and NDT testing
- Surface Treatment: Anti-corrosion coating application
- Final Marking: Permanent identification stamping

Surface Finish & Coating Options
Standard Finishes:
- Black lacquer coating for general applications
- Specialized anti-rust oil for marine environments
- Mill finish for immediate installation
Premium Coatings:
- Hot-Dip Galvanizing (HDG) per ASTM A153
- 3-Layer Polyethylene (3LPE) for underground pipelines
- Fusion Bonded Epoxy (FBE) for enhanced corrosion protection
- Specialized epoxy coatings for chemical environments
Applications
Oil & Gas Industry: Pipeline associations, valve gatherings, and gear interfacing requiring tall weight and temperature resistance.
Chemical Preparing: Dealing with destructive chemicals and high-pressure liquids in petrochemical plants and refineries.
Water Treatment: Metropolitan water supply frameworks, wastewater treatment offices, and desalination plants.
Power Era: Steam dissemination, fuel frameworks, and cooling circuits in warm and atomic control plants.
District Warming: Hot water and steam dissemination systems in urban warming systems.

Packaging & Delivery
Protective Bundling: Wooden cases or steel outlines with moisture-resistant wrapping to avoid harm amid universal shipping.
Documentation: Total process test certificates, fabric certifications, and dimensional reports go with each shipment.
Delivery Alternatives: Dandy, CIF, or DAP terms accessible with adaptable installment courses of action for universal customers.
Lead Times: Standard items dispatch inside 2-4 weeks; custom determinations require 4-6 weeks generation time.
Customization Service
We give comprehensive customization administrations to meet particular extend requirements:
- Custom measurements and divider thickness specifications
- Special fabric grades and warm treatment requirements
- Unique stamping and recognizable proof systems
- Project-specific bundling and labeling
- Third-party review and certification services
- Sample orders and little clump trials for capability testing
Our experienced designing group collaborates with clients to create ideal arrangements for challenging applications.
Quality Control
Our comprehensive quality confirmation program guarantees reliable item excellence:
Incoming Fabric Assessment: Chemical composition investigation utilizing progressed spectrometers and mechanical property verification.
In-Process Control: Dimensional observing, visual assessment, and prepare parameter confirmation at each fabricating stage.
Final Review: Total dimensional confirmation, surface quality appraisal, and checking confirmation some time recently shipment.
Testing Capabilities: Non-destructive testing counting ultrasonic thickness estimation, attractive molecule review, and penetrant testing when required.

FAQ
Q1: What is the essential distinction between Long Radius (LR) and Short Radius (SR) elbows?
A: LR elbows have a span of 1.5 times the ostensible pipe estimate (1.5D), advertising smoother stream and lower grinding. SR elbows have a 1D sweep, reasonable for kept spaces but with higher weight drops.
Q2: How do you avoid erosion in carbon steel fittings amid ocean transit?
A: We apply high-grade mechanical dark enamel or specialized anti-rust oil. For exceedingly destructive situations, we suggest Hot-Dip Galvanizing or specialized epoxy coatings.
Q3: Can you give 3LPE or FBE coated Fittings?
A: Yes, we supply fittings with inner or outside utilitarian coatings counting 3-Layer Polyethylene and Fusion Bonded Epoxy to coordinate fundamental line pipe requirements.
Q4: Do your fittings meet NACE MR0175/ISO 15156 standards?
A: For acrid benefit situations containing H2S, we give fittings assembly NACE MR0175 prerequisites with HIC and SSC testing certification.
Contact Us
Ready to discuss your GOST buttweld fittings requirements? Contact our expert team at admin@jsfittings.com for professional pipeline solutions and competitive pricing.
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