S-9157K771 1.61" ID x 1 29/32" OD x 4 1/2" Long ASTM A312, ASTM A733, ASME B1.20.1 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Name: 9157K771 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe - SKDIN
Brand: SKDIN
SKU: SKDIN-9157K771
Availability: InStock

Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Image may differ from product. See technical specification for details.

Part No.

Part No. 1504FA01281

Equivalent to mcmaster :

9157K771

Basic Information

For Use With Air, Natural Gas, Oil, Steam, Water

Shape Straight

Type Pipe, Adapter

Schedule 40

Construction Welded

Material 304/304L Stainless Steel

Specifications Met ASTM A312, ASTM A733, ASME B1.20.1

RoHS RoHS 3 (2015/863/EU) Compliant

Connection Parameters

Threading Threaded on One End

Connection Type Pipe

Connection Style Threaded × Butt Weld, Socket Connect

Thread Type NPT

Gender Male

Dimension Parameters

Pipe Size 1 1/2

Length 4 1/2"

OD 1 29/32"

ID 1.61"

Wall Thickness 0.145"

Material & Accessories Parameters

For Fitting Class 150

For Fitting Material 304 Stainless Steel, 304/304L Stainless Steel

For Flange Material 304 Stainless Steel, 304/304L Stainless Steel

For Flange Class 150

For Fitting Schedule 40

Installation Parameters

Socket Connect Type Socket Connect

Technical Drawings No drawings available at the moment, will be launched soon

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Key Features & Benefits at a Glance

Superior corrosion resistance with 304/304L stainless steel construction, ensuring long-term reliability in demanding environments.
Versatile multi-media compatibility for safe use with air, natural gas, oil, steam, and water systems.
Robust welded construction enhances structural integrity and prevents leaks under high-pressure conditions.
Precision NPT threading on one end guarantees secure, leak-free connections in threaded assemblies.
Flexible connection options with butt weld or socket connect styles, allowing easy integration into various piping systems.
Strict adherence to industry standards including ASTM A312 and ASME B1.20.1, ensuring consistent performance and interchangeability.
RoHS 3 compliance supports environmental and safety regulations for global industrial applications.

Professional Applications & Engineering Value

This 1 1/2" Schedule 40 stainless steel threaded pipe nipple is engineered to address common industrial challenges such as corrosion, high pressure, and thermal stress. Constructed from 304/304L stainless steel, it resists oxidation and chemical degradation, making it ideal for air, natural gas, oil, steam, and water systems. The NPT thread on one end ensures a tight seal, while the butt weld or socket connect options provide installation flexibility. Its welded construction and standard wall thickness deliver exceptional durability, reducing maintenance needs and downtime in processing plants, HVAC systems, and fluid transport networks.

Specification Summary & Compliance

This product features precise NPT threading per ASME B1.20.1 with Class 150 pressure rating and Schedule 40 dimensions. It complies with ASTM A312 for seamless and welded pipe specifications and ASTM A733 for welded and seamless carbon and austenitic stainless steel pipe nipples. The nipple is RoHS 3 (2015/863/EU) compliant, ensuring it meets stringent environmental and health safety standards for industrial use.

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