316L stainless steel welding pipe | Suitable for use in seawater desalination environments

316L stainless steel welding pipe | Suitable for use in seawater desalination environments

316L stainless steel welding pipe | Suitable for use in seawater desalination environments

Specifications

Category Features Production Delivery specifications Applicable scenarios
Seamless round pipe No weld seams, excellent pressure resistance, heat resistance, crack resistance, and uniform wall thickness Outer diameter 6-630mm, wall thickness 1-50mm High-pressure fluids, chemical, petroleum, boilers, medical
Welded round tubes Steel strip rolling + welding, low cost, flexible specifications Flexible and efficient Outer diameter 9.5-1200mm, wall thickness 1.5-20mm Building decoration, guardrails, furniture, medium and low pressure flow Bodies, mechanical structures
Material series Grade Characteristics Applicable scenarios
Austenite 304(06Cr19Ni10), 316L(022Cr17Ni12Mo2), 321, 310S Non-magnetic, good toughness, good weldability, strong corrosion resistance Food and medicine, chemical, Marine, decorative, high temperature Equipment
Ferrite 430, 409, 410S Magnetic, stress resistant, and less costly Car exhaust, heat exchange, building decoration, nitric acid Environment
Martensite 410, 420, 440C Heat-treatable, high hardness, average corrosion resistance Cutting tools, valve parts, bearings
Duplex steel 2205(S22053), 2507(S25073) Balanced strength and resistance to pitting 1 crevice corrosion Seawater desalination, oil and gas, chemical high-pressure conditions
Surface grade Process Roughness (Ra) Application
2D Cold rolling + annealing + pickling (no leveling) 0.5-0.9μm General industrial, low-end decoration
2B Cold rolling + annealing + pickling + leveling 0.3-0.5μm General decoration, building materials, cutlery
BA(Bright Annealed) Protective atmosphere annealing + leveling ≤0.4μm Food and beverage, semiconductor bulk gas, sanitary grade
EP(Electrolytic polishing) Ba-based tube + electropolishing + cleaning ≤0.2μm Biopharmaceutical sterile, semiconductor high-purity, implantable devices
MP(Mechanical polishing) Mechanical grinding/brushing 0.4-0.8μm Decoration, furniture, building facades

Technological Process of Production