Carbon steel RTJ flanges are accurate and durable under pressure. These components meet rigorous leak-proof oil and gas pipeline, chemical processing, and power generation specifications.
Built to Global Quality Standards Each carbon steel RTJ flange is ASME B16.5 and ISO 9001-checked.
Innovative production procedures ensure long-term durability with dimensional precision and high temperature resistance.
Fits Different Needs Complex jobs need modification.
Flange diameters, pressure ratings, and surface treatments are customized for operations.
Industry-wide trust These flanges work effectively in offshore drilling and refineries.
Their robust design eliminates downtime, making them ideal for safety-critical applications.
Certified Reliability Third-party testing of material integrity and performance ensures product trust.
Long-lasting engineering.
Four Decades of Craftsmanship Our hands-on experience with steel pipe fitting manufacture dates back to 1983.
Time-tested methods fulfill industry expectations.
Globally trusted certifications All fittings, flanges, and pipes are ISO 9001, CE, and GOST-R compliant.
For energy, maritime, and infrastructure projects, rigorous assessments assure safety.
Smart, eco-friendly production Green sandblasting and automated 100-meter painting lines save waste and increase efficiency.
Quality never harms sustainability.
Built for Big Demands Four modern lines generate 30,000+ tons annually.
Shipping bulk orders globally is simplified.
Dedicated logistics partners streamline global operations.

Demanding Industries JS FITTING, a leading carbon steel RTJ flange manufacturer, provides precision-engineered solutions for demanding industrial applications.
ASTM/ASME requirements are followed to make our flanges work well under high pressure and severe temperatures from -20°F to 1,000°F.
Each product is quality-controlled, including dimensional inspections and material traceability, for leak-free reliability in oil & gas, petrochemical, and power generating applications.
Custom machining lets us customize face finishes and bolt hole patterns to meet project needs.
Our carbon steel RTJ flanges are flexible for pipelines, valves, and pressure vessels with pressure ratings from 150 to 2,500 classes.
JS FITTING, trusted by global partners, combines sophisticated production with durability and safety.
Improve your infrastructure with flanges that can endure the hardest operational difficulties and meet industry-leading quality standards.
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