Carbon Steel Reducer
Concentric Reducer: Maintains a common centerline.
Eccentric Reducer: Flat on one side to maintain elevation.
Manufacturing Standards: ASME B16.9 (Standard), MSS-SP-75 (High-yield), EN10253, DIN 2616.
Size Range: 1/2" x 1/4" up to 72" x 60" (DN15 – DN1800).
Wall Thickness: SCH 20, SCH 40, STD, SCH 80, SCH 160, SCH XXS.
Primary Material Grades:
Universal: ASTM A234 WPB, WPC.
High-Yield: ASTM A860 WPHY 42, 52, 60, 65, 70 (For high-pressure service).
Low-Temperature: ASTM A420 WPL6, WPL3.
End Finish: Standard Beveled Ends (per ASME B16.25) for high-integrity welding.
- Free Samples
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Carbon Steel Reducer - Professional Pipe Fitting Solutions
JS FITTINGS brings you over 40 a long time of ability in fabricating premium carbon steel reducer solutions. Our state-of-the-art 7,000 square meter office conveys uncommon quality with yearly deals surpassing RMB 100 million and month to month shipments outperforming 50 holders. We specialize in ASTM A234 WPB review reducers with predominant concentricity inside 1mm resistance, ensured least divider thickness compliance, and ready-to-weld accuracy beveling. Our items meet ASME B16.9 guidelines and serve major vitality companies counting NIOC and ADNOC over 30+ nations worldwide.
Carbon Steel Reducer Overview
Products are fundamental pipe fittings planned to interface channels of distinctive distances across in pipeline frameworks. These conically formed components empower smooth stream moves whereas keeping up framework weight judgment. Accessible in both concentric and unpredictable arrangements, our reducers suit different mechanical applications from petrochemical plants to water treatment facilities.
Our fabricating prepare guarantees each reducer meets strict dimensional resiliences and weight prerequisites. You'll discover our items perfect for both high-pressure and standard applications, with fabulous toughness and erosion resistance when legitimately coated.


Key Features & Advantages
Guaranteed Minimum Wall Thickness: Our thorough ultrasound wall-thickness checks guarantee ASME resilience compliance at all push focuses, anticipating common disappointment issues found in low-quality reducers.
Superior Concentricity: CNC-machined tooling conveys centerline arrangement inside 1mm resistance, disposing of vibration and stream turbulence in high-velocity systems.
Ready-to-Weld Beveling: Precision-machined inclines come burr and slag-free, decreasing onsite welding time whereas guaranteeing more profound infiltration for high-pressure X-ray quality welds.
Material Virtue & Documentation: Each item incorporates EN 10204 3.1 Process Test Certificates with required chemical investigation and mechanical testing for zero-risk performance.
Enhanced Erosion Security: Premium epoxy coating, dark finish, or hot-dip galvanizing choices particularly tried for long-term capacity in muggy or sea environments.
Technical Specifications
| Specification | Details |
|---|---|
| Standards | ASME B16.9, DIN2615, JIS B2312, ASME B16.11 |
| Material Grades | ASTM A234 WPB, A420 WPL6, MSS-SP-75 WPHY 42-70 |
| Size Range | 1/2"×1/2"×1/4" to 20"×20"×8" |
| Wall Thickness | Sch10, Sch40, Sch80 |
| Pressure Ratings | 3000#, 6000#, 9000# |
| Types | Concentric and Eccentric |
| End Connections | Butt Weld |
Standards & Certifications
Our carbon steel reducers comply with internationally recognized standards including ASME B16.9 for dimensional requirements and ASTM A234 for material specifications. All products undergo rigorous quality testing and come with ISO 9001 certification, CE marking, and GOST-R approval.
We maintain NACE MR0175/ISO 15156 compliance for sour service applications in oilfield environments. Each batch receives comprehensive documentation including material traceability and test certificates.




Chemical Composition & Mechanical Properties
ASTM A234 WPB Composition:
- Carbon: 0.30% max
- Manganese: 0.29-1.06%
- Phosphorus: 0.05% max
- Sulfur: 0.058% max
- Silicon: 0.10% min
Mechanical Properties:
- Tensile Strength: 415 MPa min
- Yield Strength: 240 MPa min
- Elongation: 22% min
Manufacturing Process
Our progressed fabricating prepare starts with fabric choice and warm treatment for ideal grain structure. Hot shaping methods shape the reducer whereas keeping up divider thickness consistency. CNC machining guarantees exact measurements and smooth transitions.
Each reducer experiences ultrasonic testing for divider thickness confirmation and dimensional assessment utilizing calibrated rebellious. Last quality control incorporates weight testing and surface wrap up confirmation some time recently packaging.
Surface Finish & Coating Options
Standard Finishes:
- Mill wrap up for indoor applications
- Black paint coating for common protection
- Hot-dip galvanizing for destructive environments
- Epoxy coating for chemical resistance
Surface arrangement incorporates shot impacting to SA 2.5 standard, guaranteeing ideal coating attachment and life span. Uncommon coatings accessible upon ask for particular natural conditions.
Applications
Carbon Steel Reducer finds broad utilize in:
- Oil and gas pipeline systems
- Petrochemical preparing plants
- Power era facilities
- Water treatment plants
- HVAC systems
- Industrial manufacturing
These fittings exceed expectations in applications requiring solid stream control and weight administration. Unconventional reducers anticipate discuss pockets in level pump suction lines, whereas concentric sorts keep up centerline arrangement in vertical installations.

Packaging & Delivery
Products get defensive bundling with plastic caps on closes and wooden cases for universal shipping. We guarantee damage-free conveyance through cautious taking care of and quality bundling materials.
Standard conveyance timeframes extend from 15-30 days depending on arrange amount and determinations. Express shipping accessible for pressing necessities with our broad stock administration system.
Customization Service
We offer comprehensive customization counting non-standard sizes, uncommon materials, and special arrangements. Our designing group collaborates with you to create arrangements assembly particular venture requirements.
Custom length designs, uncommon warm medicines, and interesting coating details accessible. Model improvement and testing administrations guarantee your custom reducer meets all execution criteria.

Quality Control
Every reducer experiences multi-stage review counting approaching fabric confirmation, in-process dimensional checks, and last item testing. Our quality administration framework guarantees steady execution and reliability.
Advanced testing gear incorporates spectrometers for chemical examination, ultrasonic thickness gages, and weight testing offices. Third-party assessment administrations accessible when required for basic applications.
FAQ
Q: When should I specify an Eccentric Reducer over a Concentric one?
A: Use eccentric reducers in horizontal piping to prevent air pockets in pump suction lines (flat-top installation) or allow drainage in steam lines (flat-bottom installation). Concentric reducers suit vertical lines requiring centerline alignment.
Q: How do you handle different wall thicknesses between large and small ends?
A: We provide tapered transitions (typically 1:3 or 1:4 ratio) following ASME B16.9 requirements, ensuring smooth stress distribution and high-quality weld joints.
Q: Can your reducers withstand sour service conditions?
A: Yes, our NACE MR0175/ISO 15156 compliant reducers use killed carbon steel with controlled sulfur and phosphorus content, heat-treated to achieve required hardness levels (typically <22 HRC).
Contact Us
Ready to discuss your carbon steel reducer requirements? Contact our expert team at admin@jsfittings.com for technical specifications and competitive pricing.
Send Inquiry


_1775029519904.webp)






_1775029585391.webp)







