304 316 Stainless Steel Threaded Screw Custom Length Double Ended Threaded Screw NPT BSPS High Pressure
Price:
Negotiable
MOQ:
1
Delivery Time:
5-8 work days
Brand:
Kesle
Product Description
304 316 Stainless Steel Threaded Screw Custom Length Double Ended Threaded Screw NPT BSPS High Pressure
Product Overview
304 316 Stainless Steel Double Ended Threaded Pipe NPT BSPS High-Pressure Custom Length
Core Structure and Technical Parameters
Basic Design
- Bidirectional Thread Structure: Both ends feature complete external threads (internal threads available on custom models) with a smooth tubular main body, forming a full-bore design ideal for fluid transmission or mechanical connections
- Thread Standards:
- British Threads: BSPT (tapered pipe threads), BSPP (parallel threads) compliant with ISO 7/1 standards, offering excellent sealing performance for high-pressure applications
- American Standard Threads: NPT (tapered pipe threads) compliant with ASME B1.20.1, compatible with North American pipeline systems
- Metric Threads: M6-M100 with pitches of 1-6mm, supporting customization of special thread forms including trapezoidal threads for non-standard requirements
Materials and Performance
- Main Materials:
- 304 Stainless Steel: Resistant to acid and alkali corrosion with salt spray test results ≥1000 hours, suitable for food, pharmaceutical, and chemical equipment
- Carbon Steel (Q235B): Tensile strength ≥375MPa with galvanized (8-12μm) or nickel-plated (10-20μm) surface treatment; neutral salt spray test shows no rust for 24 hours
- Copper Alloy (H62): Excellent thermal conductivity, ideal for refrigeration systems or weak current connections
- Pressure Resistance Rating:
- Stainless steel: Regular models withstand pressure ≤16MPa; thickened models reach 40MPa (e.g., DN25 stainless steel threaded pipes)
- Carbon steel: Standard models withstand pressure ≤10MPa; high-pressure models (wall thickness ≥6mm) reach 25MPa
Size Specifications
- Diameter Range: DN6 (1/8") to DN100 (4"), covering full range from 1/8-inch to 4-inch pipes
- Length Range: Regular in-stock lengths 30-300mm; custom lengths up to 2000mm supported (e.g., DN15*1000mm stainless steel threaded pipes)
- Precision Grade:
- Ordinary grade: Thread pitch diameter tolerance ±0.05mm, suitable for general connections
- Precision grade: Grinding-level pitch diameter tolerance ±0.01mm, suitable for high-precision equipment (e.g., semiconductor production lines)
Core Advantages and Application Scenarios
Performance Advantages
- Dual Sealing Design:
- Tapered threads combined with anaerobic adhesives (e.g., MXBON thread sealant) provide "mechanical engagement + chemical sealing" dual guarantee with leakage rate ≤0.01mL/min
- Some models feature built-in O-rings (fluororubber or silicone) with pressure resistance ≥25MPa, suitable for dynamic vibration environments
- Fatigue Resistance Characteristics:
- Carbon steel materials undergo quenching and tempering (hardness HRC28-32), capable of withstanding over 100,000 alternating loads (e.g., hydraulic systems)
- Stainless steel materials undergo solution treatment with tensile strength ≥520MPa, suitable for high-temperature applications (-200℃ to +400℃)
Typical Applications
- Fluid Transmission Systems:
- Chemical pipelines: 304 stainless steel threaded pipes connect reaction kettles and valves, resistant to strong acids and alkalis
- Refrigeration equipment: Copper alloy threaded pipes connect compressors and condensers, ensuring no refrigerant leakage
- Fire protection systems: Carbon steel galvanized threaded pipes combined with grooved joints for quick sprinkler network assembly
- Mechanical Fastening Fields:
- Automobile manufacturing: Double-ended threaded pipes fix engine blocks and brackets with torque range of 80-350N*m
- Construction machinery: M30*300mm carbon steel threaded pipes connect tower crane standard sections with tensile load ≥800kN
- Special Scenario Adaptation:
- Medical equipment: 316L stainless steel threaded pipes connect CT machine slip rings with surface roughness Ra≤0.8μm
- Aerospace: Titanium alloy threaded pipes (TC4) used in aircraft hydraulic pipelines, featuring lightweight construction and extreme temperature resistance
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dongguan Kesle Electronic Hardware Co., Ltd
Location
Guangdong Dongguan Kesile Electronic & Hardware Products Factory
Contact Person
orlenda li