17-4pH 15-7pH Stainless Hollow Bar High Strength Alternative to 4140 for Pump Liners

17-4pH 15-7pH Stainless Hollow Bar High Strength Alternative to 4140 for Pump Liners. Superior Corrosion Resistance: High resistance to acid, alkali, and chloride environments, especially 316L and 2205 grades. 100% Non-Destructive Testing: All pipes undergo Hydrostatic, Eddy Current, or Ultrasonic testing to ensure zero defects. Wide Grade Selection: Available in 304, 304L, 316, 316L, 321, 310S, 2205, 2507, and other specialty alloys. Custom Processing Services: Offering cutting, threading, grooving, flanging, and bending to fit installation needs. Comprehensive Documentation: Includes EN 10204 3.1 MTC, PMI reports, and IBR certificates upon request. Seaworthy Packaging: Protected with plastic end caps, woven bags, or wooden boxes to prevent damage during transit. Fast Delivery for Stock: Stock goods can be shipped within 7-15 days after payment confirmation. Global Export Experience: Exported to Mexico, Brazil, UAE, Europe, and Southeast Asia with flexible trade terms.