Forged Male Female Adapter
Product Details
Zhejiang Leadtek Fluid Technology Co., Ltd. is one of the most experienced manufacturers and suppliers of forged male female adapter in China. Please feel free to buy customized forged male female adapter at competitive price from our factory. Also, free sample is available.
Product Introduction

Forged Male Female Adapter is a straight-pattern threaded transition fitting machined from solid stainless steel forged bar stock, designed to connect male-threaded pipe ends to female-threaded ports without additional sealants or adapter assemblies in standard industrial piping configurations.
The forged construction eliminates the porosity inherent in cast fittings, producing a denser grain structure that withstands pressure cycling, vibration, and chemical exposure across continuous-duty applications. Each fitting features a precision-turned external thread on one end and a matching internal thread on the opposite end, allowing direct inline conversion between male and female threaded connections in a single compact body.
Available in five sizes from ¼" to 1" (DN8–DN25), this Forged Male to Female Adapter covers the most common nominal pipe sizes specified in industrial instrumentation, process piping, and utility systems. Dimensional tolerances are held to L ±0.5 mm across all sizes.
Dimensional Specifications

| Size T1 | DN | ØD (mm) | L (mm) |
|---|---|---|---|
| ¼" | 8 | 18 | 31 |
| ⅜" | 10 | 21.5 | 32 |
| ½" | 15 | 26 | 35 |
| ¾" | 20 | 31.5 | 37 |
| 1" | 25 | 39 | 43 |
Dimensional Tolerance: ¼"–1" L ±0.5 mm
T1 = nominal pipe thread size; DN = nominal diameter; ØD = outer body diameter; L = overall length
Key Features
Forged Body Construction
Produced from hot-forged stainless steel billet rather than cast blank, the forged pipe adapter achieves a closed, non-porous grain structure with higher tensile strength and superior fatigue resistance compared to cast equivalents. This matters in systems subject to pressure transients, thermal cycling, or mechanical vibration.
01
Precision CNC Thread Machining
Both the male and female thread profiles are finish-machined on CNC turning centres to maintain consistent thread form, pitch, and engagement depth across production batches. Consistent thread geometry directly reduces the risk of cross-threading and ensures repeatable sealing performance when used with PTFE tape or thread compound.
02
Corrosion-Resistant Material
Stainless steel construction provides resistance to oxidation, rust, and a wide range of process chemicals. The fitting is suitable for use in water treatment, chemical handling, fire suppression, and general industrial fluid systems where carbon steel fittings would require protective coatings or frequent replacement.
03
Compact Inline Profile
The round-body profile keeps the outer diameter (ØD 18–39 mm) close to the pipe O.D., minimising obstruction in congested pipework layouts and reducing the number of adapters required per assembly.
04
Full Size Range ¼" to 1"
Five standard sizes in a single product series simplify procurement and reduce the number of part numbers a buyer needs to manage, particularly for projects specifying mixed nominal pipe sizes across one system.
05




Application Industries

Petrochemical & Chemical Processing
Thread conversion in corrosion-resistant piping where carbon steel adapters are unsuitable. The stainless steel forged adapter handles process fluids, water, and steam service in standard pressure classes.

Water Treatment & Fire Safety Systems
Inline male-to-female thread transitions in distribution pipework, pressure regulation stations, and sprinkler system branches where dimensional accuracy and leak-free assembly are required.

New Energy & Thermal Management
Connecting instrumentation ports, pressure taps, and sensor fittings in battery cooling circuits, photovoltaic heat exchange loops, and energy storage thermal management systems.

Semiconductor & Precision Manufacturing
Cowers Commercial Cleaning Robot Landing Case:China Mobile Software ParkProcess water and chemical routing connections where fitting material compliance and dimensional consistency are specified as part of the system qualification.
Related Reading
Selecting the correct fitting specification for your piping system involves evaluating material grade, pressure class, thread standard, and service environment as a set - our article How to Select the Right Stainless Steel Fittings: A Professional Engineer's Selection Guide covers the key decision criteria that procurement and engineering teams use to avoid costly mismatches.
Forged vs Cast: Why It Matters for Threaded Adapters
| Forged | Cast | |
|---|---|---|
| Material Structure | Compressed grain flow, non-porous | Open grain, potential micro-porosity |
| Tensile Strength | Higher - typically 20–30% above cast equivalent | Lower baseline strength |
| Pressure Resistance | Better suited to pressure cycling and surge conditions | More susceptible to fatigue crack initiation at pores |
| Dimensional Consistency | CNC finish-machined from forged blank; tight batch-to-batch tolerance | Casting shrinkage can introduce dimensional variability |
| Surface Integrity | Dense, smooth bore surface after machining | May require additional finishing to address casting skin |
| Thread Quality | Machined into a solid, dense substrate - consistent form and pitch | Thread cut into potentially porous cast surface |
| Typical Application Fit | High-pressure, vibration-prone, or critical-service piping | General-purpose, lower-pressure, or cost-priority systems |
For a ¼"–1" male-to-female threaded adapter installed at a valve outlet, instrument port, or pressure-rated junction, the forged construction provides a meaningful margin of safety that cast equivalents cannot reliably replicate. When your system is specified to a pressure class or subject to process fluid contamination risk, the material structure of the fitting body is a legitimate selection criterion, not a marketing distinction.
Packaging & Shipping
- Standard Export Packaging:Each Forged Male Female Adapter is individually wrapped to prevent thread damage and surface contact. Products are packed in cartons with partitions, then loaded into export cartons or wooden cases. Markings include product code, size, quantity, weight, and destination details.
- Labelling & Documentation:Each shipment includes packing list, commercial invoice, and certificate of origin. Material test reports, inspection records, and certifications (ISO, CE) are available upon request for customs clearance and QC.
- Lead Time:Standard sizes (¼"–1") are available from stock or short-run production. Stocked sizes typically ship within 7–15 business days after order confirmation. OEM and custom orders are quoted with lead time details.
- Shipping & Samples:We support sea freight, air freight, and express delivery with FOB, CIF, and DAP terms available. Free samples are provided for qualification, with full documentation upon request.

Why Source from Leadtek
Zhejiang Leadtek Fluid Technology Co., Ltd. has operated as a stainless steel fluid control manufacturer since 2015, drawing on over 30 years of precision casting and machining experience from the founding team. Our 37,000 m² facility in Changshan Industrial Park, Quzhou, Zhejiang runs 400+ CNC machines and delivers more than 400 tons of monthly production output.
All fittings, including this stainless steel forged adapter series, go through in-house dimensional inspection and assembly verification before shipment, backed by an ISO 9001 and ISO 14001 certified quality management system. CE, TS, and KC certifications are available for applicable products, and we hold 40+ patented technologies across our fluid control product range.
We supply customers in 80+ countries across Europe, North America, Asia-Pacific, the Middle East, and South America, and support OEM and ODM orders with full export documentation: material test reports, certificates of origin, dimensional inspection records, and packing lists.
Frequently Asked Questions
Q: What thread standard is used on this fitting?
A: Please confirm your required thread standard (BSP, NPT, or other) when submitting an enquiry. Leadtek machines fittings to the thread standards specified by the customer or project.
Q: Are SS304 and SS316 both available?
A: Both grades are available. SS316 offers enhanced resistance to chloride corrosion and is specified for more aggressive chemical or marine environments. Contact our sales team to confirm availability by size.
Q: Can I order custom sizes or non-standard dimensions?
A: Yes. Leadtek accepts OEM enquiries for custom ØD, length, and thread combinations. Provide your target specification and projected annual volume to receive a formal quotation.
Q: What is the minimum order quantity (MOQ)?
A: MOQ varies by size and configuration. Submit your full specification and we will respond with applicable MOQ, pricing, and lead time.
Q: What documentation is available for supplier qualification?
A: We provide material test reports, dimensional inspection reports, ISO certificates, and other compliance documentation as part of standard export packages upon request.
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