Corrosion-Resistant Large Phosphor Bronze Pipes

Short Description:

Product Specifications
Name： Large Diameter Phosphor Bronze Tube
Standard： ASTM B139 / B103, UNS C51000 / C51900 / C52100, RoHS Compliant, REACH Compliant
Material： C51900 (Phosphor Bronze, 6% Tin), C51000 / C52100 Variants
Surface： Mill Finish, Optional Drawn or Polished
Outer Diameter (OD)： 50mm – 400mm
Wall Thickness： 5mm – 50mm
Length： 1000mm – 6000mm (custom lengths available)
Product Features: Superior corrosion resistance in harsh environments · High tensile strength and fatigue resistance · Excellent wear and abrasion properties · Good electrical and thermal conductivity · Outstanding spring-like elasticity · Low friction characteristics · Consistent performance under heavy loads
Application Field: Industrial bearings and bushings, Heat exchangers and condensers, Marine hardware and propeller shafts, Electrical springs and connectors, Pump and valve components, Heavy machinery structural parts, Instrumentation tubing, Chemical processing equipment, Hydraulic and pneumatic systems

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Large Diameter Phosphor Bronze Tube – Process & Quality Assurance Statement
Our large diameter phosphor bronze tubes are manufactured to provide dependable service in applications where strength, corrosion resistance, and durability are non-negotiable.

Key process features

Production utilizes proven hot working methods to achieve uniform properties throughout the tube:
●Alloy Preparation: Certified ingots are melted with precise tin and phosphorus additions for optimal alloy balance.
●Continuous Casting: Dense billets are cast with controlled cooling to minimize internal defects.
●Hot Extrusion: High-capacity presses extrude the material through mandrels to form seamless large tubes with refined grain structure.
●Cold Drawing (Optional): Multiple draw passes reduce wall thickness and improve surface finish and tolerances.
●Annealing: Intermediate and final heat treatments restore ductility and relieve stresses.
●Straightening & Cutting: Hydraulic straightening ensures excellent linearity, followed by precision sawing.
●Surface Protection: Tubes are cleaned and lightly oiled to guard against oxidation during handling and shipping.

Quality control system

● Complete traceability from ingot batch to finished tube
● Material test reports supplied with each shipment
● Sample retention ≥3 years for third-party validation (SGS, BV, TÜV, etc.)
● 100% inspection of essential attributes:
• Chemical composition (optical emission spectrometer)
• Mechanical properties (tensile, hardness, and elongation testing on samples)
• Dimensional checks (ultrasonic wall thickness + micrometers; typical OD tolerance ±1%) • Surface condition and straightness (visual + laser scanning)
• Internal integrity (eddy current or ultrasonic testing on request)
● Internal standards exceed ASTM B139 requirements. Typical C51900 properties: Tensile strength ≥550 MPa, Excellent fatigue life, Superior resistance to seawater and wear.
● ISO 9001:2015 certified facility guarantees consistent, high-quality large phosphor bronze tubes ready for your critical applications.