S-4550K254 1.278" ID x 1 21/32" OD x 10" Long ASME B1.20.1, ASTM A53, ASTM A733 Thick-Wall Steel Threaded Pipe Nipples and Pipe

Thick-Wall Steel Threaded Pipe Nipples and Pipe

1489FA00178 Thick-Wall Steel Threaded Pipe Nipples and Pipe
1489FA00178 Thick-Wall Steel Threaded Pipe Nipples and Pipe

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Part No.
Part No. 1489FA00178
Equivalent to mcmaster :
4550K254

Basic Information

For Use With Air, Natural Gas, Oil, Steam, Water
Shape Straight
Type Pipe
Schedule 80
Construction Welded
Material Black-Coated Steel
Specifications Met ASME B1.20.1, ASTM A53, ASTM A733

Connection Parameters

Threading Threaded on Both Ends
Connection Type Pipe
Connection Style Threaded
Thread Type NPT
Gender Male

Dimension Parameters

Pipe Size 1 1/4
Length 10"
OD 1 21/32"
ID 1.278"
Wall Thickness 0.191"

Material & Accessories Parameters

For Fitting Class 300
For Fitting Material Iron, Steel
For Flange Material Steel
For Flange Class 300, 600
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with black-coated steel construction, extending service life in harsh industrial environments
  • Exceptional pressure handling with Schedule 80 thick-wall design, suitable for 300 class fittings and 600 class flanges
  • Leak-proof connections through precision NPT threading on both ends, ensuring reliable sealing in high-pressure systems
  • Welded construction durability provides enhanced structural integrity for demanding air, gas, oil, steam, and water applications
  • Industry-standard compliance with ASME B1.20.1, ASTM A53, and ASTM A733 specifications guarantees consistent performance
  • Versatile fluid compatibility designed for multiple media including natural gas, oil, steam, and water systems
  • Precision dimensional accuracy with 1 1/4" pipe size and 10" length for easy installation and replacement

Professional Applications & Engineering Value

This heavy-duty threaded pipe nipple solves critical industrial challenges through its welded black-coated steel construction and Schedule 80 thick-wall design. Engineered specifically for high-pressure systems handling air, natural gas, oil, steam, and water, the NPT threading on both ends ensures secure, leak-resistant connections in demanding environments. The black-coated steel material provides essential corrosion protection while maintaining structural integrity under continuous operation. Ideal for industrial plants, processing facilities, and energy systems requiring 300 class fittings compatibility, this precision-manufactured component delivers reliable performance where pressure integrity and chemical resistance are paramount.

Specification Summary & Compliance

Manufactured to exacting standards with NPT thread specifications per ASME B1.20.1, ensuring proper engagement and sealing performance. The black-coated steel construction complies with ASTM A53 and ASTM A733 material specifications, guaranteeing consistent quality and mechanical properties. Dimensions include 1 1/4" pipe size, Schedule 80 wall thickness (0.191"), and 10" length with threaded both ends configuration. Suitable for use with 300 class iron and steel fittings and compatible with 300 and 600 class steel flanges for comprehensive system integration.

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