ASTM 304 316 Stainless Steel Pipe Fittings Grooved 90 Degree Elbow Bend Fittings

• Standard 18-8 austenitic stainless steel
• Excellent atmospheric corrosion, oxidation and fresh water resistance
• Good ductility, weldability and structural stability
• Cost-effective for general water, fire protection and conventional pipeline projects

• Added molybdenum element
• Superior resistance to salt spray, seawater, chloride and weak acid-base corrosion
• Better anti-corrosion and high temperature performance than 304
• Ideal for coastal, chemical, marine, pharmaceutical and harsh working environments

• Type: 90 degree groove elbow, 90° grooved bend pipe fitting
• Groove end design for fast clamp connection, no welding required
• Smooth inner and outer wall, uniform wall thickness
• Integral forming, no sand hole, no trachoma, no crack
• Compact structure, easy installation and disassembly

• Standard pipe size compliant with international pipeline standards
• Precise groove depth, groove width and roundness
• Consistent caliber, good concentricity, perfect matching with grooved pipe and coupling
• Strict dimensional tolerance, ensure tight assembly and interchangeability

• High pressure bearing capacity, suitable for medium and high pressure pipeline systems
• Stable performance under long-term fluid impact
• Good high temperature resistance, not easy to soften or deform
• Adapt to cold and hot water, steam and conventional industrial medium transmission

• Integral pickling and passivation treatment
• Form dense protective passive film on surface
• Anti-rust, anti-oxidation, anti-corrosion for humid, outdoor and coastal environment
• Long service life, reduce later maintenance cost

• Smooth pickled matte surface or bright polished surface optional
• No burrs, no scratches, no oxide scale
• Uniform texture, clean appearance, good decoration and durability

• Groove clamp type quick connection
• Save welding time, reduce construction difficulty
• Good sealing performance, effectively prevent water leakage and medium seepage
• Flexible for pipeline turning, layout adjustment and engineering construction

• High structural strength, strong impact resistance
• Good toughness, not easy to deform under external force
• Stable metallographic structure, uniform material density
• Anti-aging, durable for long-term buried and exposed pipeline use

• Compliant with ISO, DIN, ANSI, GB and fire protection pipeline standard
• Process: Raw material inspection → Integral forming → Groove precision machining → Heat treatment → Pickling passivation → Pressure test → Full inspection → Packaging
• Pass hydraulic pressure test, air tightness test and appearance dimension inspection
• Provide factory test report, material certificate and third-party inspection support

• Fire protection pipeline system
• HVAC central air conditioning piping
• Water supply and drainage pipeline engineering
• Chemical, petroleum and industrial fluid transmission
• Municipal engineering, hotel, shopping mall and building pipeline
• Marine, coastal corrosion-resistant pipeline projects

✅ Premium 304 / 316 stainless steel material

✅ Precision 90 degree grooved elbow integral forming

✅ Accurate groove size, perfect clamp connection

✅ High pressure resistance, leak-proof & durable

✅ Excellent corrosion and rust resistance

✅ Easy quick installation, no welding needed

✅ Complete specifications, support customized size

✅ Professional manufacturer, stable quality & factory price