robust, precision-engineered 6" weld neck flanges. For demanding industrial applications, JS FITTING manufactures high-performance flanges.
Why Choose Our 6" Flanges?
Our ASME B16.5-compliant weld neck flanges enable leak-proof high-pressure system connections.
Their 150mm hub length optimises stress distribution, decreasing pipe fatigue.
Durable and corrosion-resistant, these flanges are ideal for oil, gas, and chemical industries.
Key Specifications: - Size: 6" (DN150) - Material: ASTM A105, stainless steel, or custom alloys - Pressure Rating: Class 150-2500 - Surface Finish: Smooth, anti-rust coating Expertise You Can Trust JS FITTING has decades of expertise making ASME-compliant weld neck flanges with thorough quality tests.
Our CNC-machined items provide accurate tolerances and smooth pipe system connection.
Discuss your project needs with our staff.
Every flange has a certification report and customized support for long-term reliability.
decades of precision craftsmanship For over 40 years, we've made durable steel fittings, flanges, and pipes.
Everything is designed for energy and construction sectors using traditional and contemporary engineering.
## Quality Global Standards-backed ISO 9001, CE, and GOST-R standards are met by our goods.
Triple-checked materials and robotic inspections ensure industrial-grade durability across 30,000+ tons produced yearly.
Smarter, cleaner manufacturing Automated 100-meter painting lines speed production and decrease waste.
Eco-friendly sandblasting techniques preserve surface quality without harming the environment.
Built for Big Demands Four production lines accurately fulfill large requests.
With military precision, a logistics staff ships goods internationally, keeping projects on pace.
Steel parts for severe situations ship globally with traceable quality documentation.

for Demanding Industries Looking for a reliable 6 inch weld neck flange manufacturer with unparalleled durability and compliance.
JS FITTING specializes in crafting high-performance ASME-compliant flanges designed to withstand the toughest conditions in oil and gas pipelines, chemical processing plants, and industrial systems.
Our flanges are designed for leak-free couplings, excellent flow efficiency, and durability.
• Precision engineering for smooth connection with pipe systems.
• Corrosion-resistant materials including stainless steel and carbon steel for prolonged service life.
Product meets rigorous pressure ratings in high-temperature and high-pressure settings.
Customized to fit non-standard dimensions or material grades.
Globally certified to meet international quality requirements.
Our 6 inch weld neck flanges provide strength and accuracy for infrastructure reinforcement and system construction.
Engineers and contractors worldwide trust JS FITTING to produce solutions that exceed expectations using modern manufacturing and quality control.
For durable, ASME-certified flanges built to perform, explore how our expertise aligns with your needs.
Critical application partners use JS FITTING for competitive prices and rapid lead times.
Your next project will combine creativity and dependability.
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