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304 Stainless Steel Male Thread Pipe Fitting

1.Made of ASTM‑standard SS304 stainless steel with excellent corrosion resistance .
2.Precision‑processed BSPT / NPT male threads for accurate fitting .
3.Practical male‑thread structure for quick pipe assembly .
4.Smooth inner wall reduces fluid resistance inside pipeline .
5.Excellent high‑pressure and high‑temperature resistance performance .
6.Close thread engagement ensures reliable leak‑free connection .
7.Guarantee stable and smooth transmission of water, gas and oil media .
8.Widely used in plumbing, fire‑fighting, irrigation and industrial piping

Description

304 Stainless Steel Male Thread Pipe Fitting

Engineered for reliable pipeline connection in water‑supply systems, our ASTM SS304 male thread pipe fitting acts as a premium connector for drinking‑water, heating, fire‑protection and commercial plumbing projects. It adopts precision‑machined BSPT / NPT male thread structure, realizing leak‑proof connection by tight thread‑fit and greatly shortening construction duration. Manufactured from standard 304 stainless steel with smooth inner wall, the product delivers outstanding rust resistance and low fluid resistance during medium transportation. It maintains stable sealing performance under long‑term cyclic pressure working conditions. Optional mirror polishing surface finishing upgrades appearance quality and extends service life for both indoor and outdoor piping systems. Regular stocked specifications cover mainstream pipe sizes for fast bulk shipment. Custom wall‑thickness adjustment, OEM laser logo engraving and special‑size machining services are available upon request. These 304 stainless steel male thread pipe fittings are widely applied in residential water‑supply projects, commercial buildings, central heating networks, fire‑protection pipeline systems and drinking‑water treatment facilities.

 
Product Details
 
304 Stainless Steel Male Thread Pipe Fitting 1
304 Stainless Steel Male Thread Pipe Fitting 1
304 Stainless Steel Male Thread Pipe Fitting 2
304 Stainless Steel Male Thread Pipe Fitting 2
304 Stainless Steel Male Thread Pipe Fitting 3
304 Stainless Steel Male Thread Pipe Fitting 3

Technical Specifications

Parameter Specification
Product Name 304 Stainless Steel Male Thread Pipe Fitting
Pressure Class Medium Pressure Grade
Raw Material ASTM‑compliant SS304 stainless steel with compact uniform microstructure, excellent rustproof and anticorrosion performance
Surface Finish Optional mirror polishing / matte treatment; smooth inner wall reduces fluid resistance
Connection Type BSPT / NPT male thread connection; precisely machined threads for tight‑fitting, reliable leak‑proof performance
Working Temperature -20℃ ~120℃
Applicable Medium Drinking water, heating circulating water, fire‑fighting water, neutral industrial fluids, gas media
Certification Standard Produced following international standards for stainless steel threaded pipe components
Application Scenario Residential water supply, commercial buildings, central heating systems, fire protection pipelines, water treatment projects, irrigation & gas piping
Pendulum Impact Testing Machine
Metallographic Sample Grinding and Polishing Machine
High-Precision Electronic Analytical Balance
Metallurgical Microscope
Chemical Experiment Glassware Set
Carbon Sulfur Analyzer

Key Features

1.Superior Environmental Adaptability

Forged from ASTM‑certified 304 stainless steel, the male thread pipe fitting withstands humid coastal atmosphere, domestic water and weakly corrosive liquids. It keeps stable performance in outdoor water supply piping systems and food‑grade operating environments to achieve long service life.

2.Reliable Thread Sealing Performance

Precision‑machined BSPT / NPT male threads ensure tight thread‑to‑thread engagement. Good sealing effect can be achieved with proper thread sealant, effectively preventing medium seepage under long‑term pressurized operation.

3.Standard Thread Structure Simplifies Pipeline Assembly

The standardized male thread structure fits common pipe fittings perfectly, reducing extra transition adapters and simplifying on‑site layout work to shorten overall piping construction period.

4.Smooth Inner Cavity Optimizes Fluid Transport

Precision polished seamless inner wall lowers flow turbulence and pressure drop. Medium circulates steadily inside the pipeline to cut energy consumption of rear pumping equipment.

5.Diversified Scenarios & Flexible Customization

Fit for residential water supply projects, commercial plumbing, fire protection pipelines, heating circulation systems, irrigation and gas piping. Conventional sizes are stocked for bulk orders; customized wall thickness, laser marking and non‑standard dimension processing are supported for OEM cooperation.

Dimensions and Specifications

Our 304 stainless steel male thread pipe fittings cover a full range of standard inch sizes, mainstream specifications are listed below:

  • 1/2", 3/4", 1"
  • 1‑1/4", 1‑1/2", 2", 2‑1/2", 3", 4"
  • Custom dimensions, OEM laser marking and dedicated export packaging services are available

Each fitting is manufactured under strict dimensional tolerance management. Its precision‑machined BSPT / NPT male thread structure matches standard female threaded counterparts to sustain stable sealing performance, effectively preventing medium leakage during long‑term operation in diverse working scenarios.

Materials and Surface Treatments

1.Main Body Raw Material

Fabricated from ASTM‑compliant SS304 stainless steel, the male thread pipe fitting delivers outstanding rust and corrosion resistance against water, oil, gas and weak acidic media. It operates stably in food processing, chemical production, water treatment and marine piping systems to realize directional turning and branching of pipeline routes.

2.Surface Finish

Standard pickling and passivation treatment forms a compact passive anticorrosive film to isolate rust, moisture and mild chemical erosion, supporting reliable use for indoor and outdoor industrial pipelines. Two surface options are available as requested: natural matte finish and mirror polishing finish.

3.Connection Processing

Adopt precision‑machined BSPT / NPT male threads with accurate thread pitch and tooth profile for smooth mating with standard female threaded fittings. Proper thread sealant auxiliary ensures stable leak‑proof performance for long‑distance fluid transportation.

Factory Exterior & Main Entrance
Raw Material Storage Silos
Steel Casting & Smelting Workshop
Malleable Iron Pipe Fittings Processing & Sorting Area
Finished Products Warehouse & Storage Racks
Client Factory Inspection & Business Discussion

Standards and Certifications

Our products are manufactured in strict accordance with global industrial quality norms:

  • Fabricated following official process specifications for stainless steel threaded pipe fittings
  • Production system certified to ISO 9001 quality management standards

Prior to packaging and shipment, every 304 stainless steel male thread pipe fitting undergoes comprehensive testing. Inspection items include sealing reliability, thread dimensional accuracy and anticorrosion performance.

ISO 9001
Certificate of Trustworthy Supplier
Certificate of Integrity Entrepreneur
Certificate of Integrity-Based Business Model
Enterprise Credit Assessment Certificate
Certificate for Quality, Service & Integrity Enterprise

Applications

1.Petrochemical & Industrial Pipeline

Our 304 stainless steel threaded fittings work steadily in factory piping systems for water, gas, oil and low‑corrosion fluid transmission. They complete pipeline turning and branch connection to simplify later equipment maintenance and pipeline upgrading.

2.Shipbuilding & Marine Pipeline Systems

Commonly used for offshore domestic water supply, fuel delivery and heating pipe networks. Outstanding anti‑rust and salt‑spray resistant performance enables stable operation in damp, corrosive marine environments.

3.Food & Water Treatment Piping

Ideal for drinking water projects, beverage production lines and water treatment piping systems. 304 stainless steel meets high hygiene requirements and will not cause secondary pollution to transported media.

4.Heating & General Industrial Fluid Delivery

Suitable for central heating circulation pipelines, compressed air pipelines and various industrial fluid conveying lines. Standard threaded connection is easy to disassemble, which greatly improves efficiency during daily system maintenance.

Installation Instructions

  1. Thread Pre‑treatment: Clean the NPT/BSPT threaded sections and matching pipe threads; remove rust, oil stains and burrs before assembly.
  2. Controlled Torque Fastening: Tighten the fitting with appropriate torque. Excessive tightening shall be avoided to prevent thread deformation and sealing surface damage.
  3. Pressure Leak Test: Conduct pressure testing after installation to confirm reliable sealing of threaded joints and conical fitting surfaces.
  4. Periodic Inspection: Inspect threaded connections regularly to guarantee long‑term safe operation of the piping system.

Comply with industrial threaded piping specifications and local safety regulations during installation.

Packaging and Shipping

Every 304 stainless steel threaded fitting is wrapped with anti‑collision protective film to prevent surface scratches during transit. Moisture‑proof packaging protects the pickled passivated surface. Bulk orders are palletized with export‑standard pallets for convenient handling and container loading.

Our factory is located in Taigu, Shanxi Province. We cooperate with seasoned global logistics networks covering main overseas ports, providing steady and cost‑effective bulk shipment services for industrial piping projects across the world.

Carton + Pallet
Cartons on Pallet
Bagged Packaging & Transportation
Bagged Cargo Shipment
Shipment Ready: Palletized Cargo on Flatbed Trailer

Quality Control

1.Raw Material Spectral Composition & Mechanical Test

Every batch of ASTM SS304 stainless steel raw material undergoes full spectral analysis and mechanical property testing, to meet the official technical standards for stainless steel pipe fittings.

2.Hydraulic Sealing Pressure Inspection

Finished 304 stainless steel male thread fittings are randomly sampled for hydraulic sealing tests under rated working pressure, to confirm zero‑leakage performance of threaded connection surfaces.

3.Thread Dimension Precision Calibration

Special go‑no‑go gauges are used to check thread pitch, thread diameter and tolerance. This guarantees tight matching with standard NPT/BSPT threads and stable sealing after assembly.

4.Full Surface Visual Defect Screening

After pickling and passivation, all products go through 100% manual visual inspection. Workers remove burrs, stains and surface imperfections on threads and outer shells, so the fittings can maintain reliable corrosion resistance during long‑term use.

OEM and Customization Services

We maintain stable annual production capacity and accept bulk OEM & ODM custom orders. Our professional engineering team provides one‑stop customized solutions for various industrial pipeline projects, including customized wall thickness, non‑standard dimensions, laser‑engraved brand logos and dedicated export packaging. We own a complete set of molds covering sizes from 1/2 inch to 4 inches, which can effectively shorten the lead time for sample trial production and mass delivery.

Company Booth at International Trade Fair
Business Negotiation with Client at Exhibition Booth
Team Photo at Exhibition Venue
Networking with Overseas Client at Trade Show
Client Visit & Business  Exchange at Factory
Product Inspection & Discussion with Clients in Workshop

FAQ

Q:Can this 304 stainless steel male thread fitting be buried underground?

A: Outer anti‑corrosion treatment must be carried out before buried installation. Direct burial without protective measures will greatly shorten the service life of the fitting. We can provide customized anti‑corrosion schemes upon your demand.

Q: What is the standard installation method for this stainless steel male thread fitting?

A: Clean the thread and sealing surface thoroughly first. Apply suitable thread sealant or PTFE tape, then tighten manually with standard pipe wrenches according to torque requirements. Do not over‑tighten to avoid thread damage, achieving stable long‑term leak‑free connection.

Q: Can it withstand pipeline thermal expansion?

A: The fitting belongs to rigid connecting parts. For long‑distance pipelines with obvious temperature changes, it is suggested to install expansion joints to offset stress caused by thermal deformation.

Q:Is it compatible with different steel pipes?

A:Why pick 304 stainless steel male thread fittings rather than carbon steel ones?

Q:Why pick 304 stainless steel male thread fittings rather than carbon steel ones?

A:ASTM 304 stainless steel features outstanding rust and corrosion resistance for water, oil, gas and weak acid media. Standard threaded structure enables easy assembly and disassembly, suitable for piping systems in food processing, water treatment, marine engineering and corrosive medium scenarios.

Contact Us

Searching for reliable 304 stainless steel male thread fittings to support your industrial piping projects? Our experienced technical team provides full‑process product selection guidance and comprehensive technical support.Email:q1236800000@gmail.com We are able to supply complete official technical datasheets, cost‑effective bulk wholesale quotations and stable delivery schedules. Our high‑grade 304 stainless steel threaded fittings are widely delivered to global projects covering food processing, water treatment, petrochemical industry, shipbuilding and heating pipeline systems.

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