ASME B16.5 Stainless Steel Pipe Flange for High-Pressure Pipeline Systems
Product Details
| Customization: | Available |
|---|---|
| Standard: | ANSI, DIN, GB, JIS, GOST, BSW |
| Type: | Welding Flange |
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Basic Info.
- Model NO.
- Stainless Steel Flange
- Material
- Stainless Steel
- Structure
- Flanges
- Connection
- Welding
- Sealing Surface
- RF
- Manufacturing Way
- Press
- Material Grades
- ASTM A182 F304/304L, ASTM A182 F6a
- Diameter
- ½" to 48"
- Pressure Ratings
- Class 150 to Class 2500
- Key Standards
- ASME B16.5 / B16.47, En 1092-1, a Pi 6A
- Applications1
- Chemical Processing, Food Industries
- Applications2
- Pharmaceutical Industries
- Applications3
- Marine and Corrosive Environments
- Surface Condition
- Pickled & Passivated to Remove Scale
- Size
- 1/2" to 72"
- Price Item
- Fob, CFR, CIF or as Negotiation
- Sealing Surface Form
- RF/FF/Rtj
- Delivery Time
- 7-30 Days
- Pressure Class
- 150, 300, 600, 900, 1500, 2500
- High Tensile & Yield Strength
- Excellent
- Corrosion Resistance
- Excellent
- Transport Package
- Wooden Case or as Customers'requirement
- Specification
- Stainless steel
- Trademark
- EZS
- Origin
- China
- Production Capacity
- 200000ton/Year
Product Description
Product Description

ASME B16.5 Stainless Steel Pipe Flange for High-Pressure Pipeline Systems
Pipe flanges are critical components used to connect pipes, valves, pumps, and other equipment in piping systems. They are available in various materials, including carbon steel, stainless steel, and alloy steel, each offering distinct properties for different applications. Below is an introduction to these flange types, including their size ranges, manufacturing standards, and key features.




Packing & Delivery


Material Grades:
Key Standards:
- Austenitic: ASTM A182 F304/304L, F316/316L, F321
- Duplex/Super Duplex: ASTM A182 F51 (2205), F53 (2507)
- Martensitic: ASTM A182 F6a (410)
- Duplex/Super Duplex: ASTM A182 F51 (2205), F53 (2507)
- Martensitic: ASTM A182 F6a (410)
- ASME B16.5 / B16.47 (Standard and large-diameter flanges)
- EN 1092-1 (European PN/DIN flanges)
- A PI 6A (Wellhead and Christmas tree flanges for oilfields)
- EN 1092-1 (European PN/DIN flanges)
- A PI 6A (Wellhead and Christmas tree flanges for oilfields)






Production Workshop


Professional & Comprehensive
Modern & Sustainability-Focused
Equipped with state-of-the-art machinery and automated production lines, our factory integrates precision engineering with strict quality control systems to deliver products that meet international standards.
Our cutting-edge facility utilizes eco-efficient processes to produce steel pipes that not only perform under pressure but also reduce environmental impact.


Focus on Quality and Precision
Focus on Capability and Customization
Through automated welding, precision cutting, and resource-conscious production, we supply high-quality pipes for sectors like renewable energy, water management, and green building. Our team works closely with clients to develop solutions that are both cost-effective and future-ready.
Choose us for pipes that build more than structures—they build trust.
Choose us for pipes that build more than structures—they build trust.
Our capabilities include the production of seamless, welded, galvanized, and custom-designed pipes in various grades and sizes. From raw material selection to final inspection, every step is monitored to ensure durability, corrosion resistance, and exceptional performance—whether for plumbing, oil and gas, structural, or mechanical projects.
Company Profile

Premium Industrial Piping Solutions, Engineered for Excellence
EZ Steel Industrial Co.,Ltd is a leading manufacturer of high-performance industrial metal pipelines, specializing in alloy steel, carbon steel, stainless steel, and copper-nickel-based alloy products. With strategically located facilities in Cangzhou, Yangzhou, and Lishui, we deliver globally trusted piping solutions that combine cutting-edge technology, rigorous quality control, and unmatched expertise.
Empowering industries worldwide with reliable, efficient, and eco-conscious piping systems, EZ Steel Industrial Co., Ltd. is your strategic partner for mission-critical infrastructure. We deliver high-performance steel, stainless steel, and copper piping solutions for sectors including oil and gas, water treatment, HVAC, and renewable energy. Our systems are engineered to meet international standards for durability, safety, and sustainability.
With end-to-end support—from design and custom fabrication to logistics and service—we help reduce lifecycle costs, minimize environmental impact, and enhance operational resilience.
Partner with us to build future-ready infrastructure with expertise you can trust.







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