Durable Stainless Steel Socket for Plumbing and Industrial Use

Product Description

Our factory specializes in manufacturing standard Malleable Iron Pipe Fittings, and Socket is one of the most mainstream Malleable Iron Pipe Fittings in our full fittings catalog. This Socket belongs to threaded Malleable Iron Pipe Fittings, also named coupling,  socket, which is designed to connect two pipes with different nominal diameters on the same central axis. All our Socket are produced strictly per ANSI/ASME B16.3, EN10242, BS, DIN standard, making our Malleable Iron Pipe Fittings including Socket widely recognized by global buyers from Europe, America, Southeast Asia and Middle East. Every finished Socket will pass strict pressure test before delivery, ensuring all Malleable Iron Pipe Fittings like Socket meet Class150/Class300 working pressure requirement. If you need customized size or surface finish for Socket, our Malleable Iron Pipe Fittings production line can support OEM & ODM flexibly.

Product Advantages

Why Choose Our Socket ?

6 core advantages of SXBHMS Malleable Iron Pipe Fittings — proven by global buyers from Europe, America, Southeast Asia and Middle East.

1. ASTM A197 Raw Material

2. 50+ Years Anti-Corrosion

3. CNC Precision Thread

Full graphitization annealing — great toughness, anti-impact, no brittle cracking under pipeline pressure.

Hot-dip galvanized finish forms compact zinc alloy layer — resists rust, acid and moisture over 50 years.

NPT/BSP/ISO7 machined — uniform tooth pitch, tight seal, no leakage or thread slipping.

4. Full Size Range

5. No Welding Required

6. 100% Pressure Tested

3/8"×1/4" up to 4"×3" · DN10×DN8 to DN100×DN80. All diameter transitions covered.

Threaded connection with a pipe wrench — shortens construction period and lowers labor cost.

Every batch passes hydraulic test + dimension + thread inspection before shipment.

Product Detail Images

Concentric integrated casting · Double female inner thread · Beaded & plain edge options.

Specification

Standard parameters for reference — custom sizes and thread standards available on request.

Item	Specification
Product Name	Socket (Malleable Iron Pipe Fittings)
Raw Material	ASTM A197 Malleable Cast Iron
Production Standard	ANSI B16.3 · EN10242 · BS EN10242 · DIN2950
Thread Standard	NPT · BSP · ISO7/1 · DIN2999
Surface Treatment	Black Coated (Antirust) · Hot Dip Galvanized
Working Pressure	Class 150: 300 PSI  |  Class 300: 1000–2000 PSI
Working Temperature	-29°C ~ +120°C
Available Sizes	3/8"×1/4" ~ 4"×3"  |  DN8×DN6 ~ DN100×DN80
Certification	UL · FM · ISO 9001
MOQ	Negotiable — small trial order accepted
Lead Time	Approx. 10 working days (standard sizes)
OEM / Custom	Thread standard · Special size · Logo · Surface finish

Common Size Combinations

Application Scenarios

Widely used in fire protection, water supply, gas, HVAC, industrial and agricultural pipeline systems.

Fire Protection

Water Supply

Natural Gas Pipeline

Core fitting for sprinkler diameter transitions — UL/FM certified.

Residential & commercial plumbing — safe for drinking water systems.

NPT thread for reliable gas-tight sealing in industrial lines.

HVAC & Heating

Industrial Factory

Agricultural Irrigation

High-temp resistant — radiator and steam pipe transitions.

Oil, compressed air & chemical liquid pipelines.

Cost-effective bulk supply for farm irrigation systems.

Market Feedback

    We have ordered malleable iron fittings & grooved fire pipe fittings for 4 consecutive years. Stable batch quality, zero leakage after installation, perfectly suit high-temperature working conditions. Always on-time delivery, very reliable long-term partner.

From Ahmed Khalid · Saudi Arabia · Jan.2026

    High pressure forged pipe fittings meet strict ASME standards. Full MTR & NDT test reports provided. Great pressure resistance, very safe for harsh chemical pipeline projects. Professional size matching service saves us a lot of trouble. 

From David Miller · USA · Mar.2026

    Complete stainless steel threaded fittings, nipples, flanges and thread valves. High cost performance, standard universal size, flexible MOQ. Very suitable for our local wholesale and retail business. 

From Tan Wei Ming · Malaysia · Feb.2025

    One-stop diversified pipe fitting supply. We can mix malleable iron, SS welded fittings, WCB valves, HDPE fittings in one container. Greatly reduce our logistics and communication costs. 

From Carlos Santos · Brazil · Apr.2026

    Cooperated for over 2 years on marine pipeline fittings. No quality problems at all. Timely after-sales technical support on welding and installation. Trustworthy and honest supplier. 

From Jack Wilson · Australia · Dec.2025

Company Profile

1. Company Overview

We are a professional pipe fitting export trading company with abundant years of foreign trade experience. 

We cooperate with large-scale original pipe fitting factory founded in 2000. It covers 53,000 square meters and area, with complete production lines & stable mass production capacity. 

Relying on mature supply chain system, we can provide stable high-quality pipe products for global customers.

2. Enterprise Qualification

Our company holds ISO9001:2015 Quality Management System Certification, and passed strict SGS third-party factory audit. 

Our platform rating reaches 5.0/5, repeat customer rate is 80%-100%. 

Average inquiry response time ≤ 2.08h, efficient & professional whole-process service. 

All products are insured by PICC to fully guarantee your order quality safety.

3. Stable Trade & Delivery Capacity

Our goods export to North & South America, Europe, Southeast Asia, Middle East, Africa and worldwide. 

Minimum order quantity: only 10 Pcs. 

Support FOB/CIF/DDP/EXW full trade terms & multiple safe payment methods. 

Fixed lead time: All orders finished within 15 working days, both peak & off season. 

Convenient shipment from Tianjin Port.

4. Customization Ability & After-sales Service Guarantee

We support full-range OEM & ODM customized services, including sample customization, design customization, full specification customization and flexible minor adjustment.
 
Our partner factory has strict QA&QC quality inspection team, standardized production inspection process, complete raw material traceability system, to ensure every batch of goods meets international export pipeline standard.
 
We provide one-stop whole-process after-sales service: pre-sales size matching consultation, production progress real-time tracking, after-sales welding technical guidance, installation problem solving and long-term follow-up service. Adhere to the business philosophy of survival by quality, development by integrity, to build long-term win-win stable cooperative relations with global customers.

5. Multiple Series Products

We supply a full range of diversified pipeline products, including malleable iron fittings, stainless steel threaded & welded fittings, grooved fittings, stainless steel valves, WCB valves, flanges, pipe nipples, HDPE fittings and high-pressure pipe fittings.