S-9157K812 4.026" ID x 4 1/2" OD x 5" Long ASTM A312, ASTM A733, ASME B1.20.1 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe
Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe
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Basic Information
Connection Parameters
Dimension Parameters
Material & Accessories Parameters
Installation Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 304/304L stainless steel construction for extended service life in harsh industrial environments
- Reliable pressure handling with Schedule 40 wall thickness (0.237") maintaining integrity in air, gas, oil, steam, and water systems
- Precision NPT threading on one end ensures leak-free connections and easy installation in male-threaded applications
- Dual-standard compliance with ASTM A312 and ASTM A733 guarantees material quality and dimensional accuracy
- Versatile welded construction provides robust performance across Class 150 fittings and flanges
- Environmental regulation adherence with RoHS 3 compliance for safe use in regulated industries
- Optimized flow characteristics with 4.026" ID maintaining efficient fluid transfer in 4" piping systems
Professional Applications & Engineering Value
This 4" Schedule 40 stainless steel threaded pipe nipple delivers critical engineering solutions for industrial fluid handling systems. The 304/304L stainless steel composition provides exceptional resistance to corrosion and oxidation, making it ideal for demanding applications involving steam, oil, natural gas, and chemical processing. The NPT threaded end with butt weld/socket connect versatility addresses common installation challenges in tight spaces, while the welded construction ensures structural integrity under pressure fluctuations. Meeting ASME B1.20.1 threading standards, this precision adapter eliminates leakage risks in high-temperature and high-pressure environments, reducing maintenance downtime and enhancing system reliability across petrochemical, power generation, and industrial manufacturing facilities.
Specification Summary & Compliance
Manufactured to ASTM A312 and ASTM A733 specifications with ASME B1.20.1 NPT threading standards. Dimensions include 4" pipe size, Schedule 40 wall thickness (0.237"), 4.026" ID, and 4 1/2" OD. Compliant with RoHS 3 (2015/863/EU) environmental directives and designed for Class 150 service with 304/304L stainless steel fittings and flanges.
