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NXF USN A36/DIN17100/10025-2/G3101 Diameter 48 mm Zinc Layer Thickness:80um 140-D Carbon Steel A36 Pin Fitting
2026-10-13 18:07 NXF GROUP
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Products Description
A36 Introduction
ASTM A36 is the most commonly used mild and hot-rolled steel. It has excellent welding properties and is suitable for grinding, punching, tapping, drilling and machining processes. Yield strength of ASTM A36 is less than that of cold roll C1018, thus enabling ASTM A36 to bend more readily than C1018. Normally, larger diameters in ASTM A36 are not produced since C1018 hot roll rounds are used.
Zinc Plated Pin Fitting Introduction
Zinc Plated Pin Fitting is a cast metal connecting component with an integrated pin structure, commonly manufactured from cast steel or ductile iron with zinc plated surface treatment. The zinc plating layer provides excellent anti-corrosion and rust-resistant performance, protecting the substrate from oxidation and moisture erosion in working environments.
This fitting consists of a circular ring body and a solid cylindrical pin. It adopts a special curved structural design, which can cooperate with other pipe or frame parts for positioning, connection and swing assembly. The integrated casting structure ensures high mechanical strength and impact resistance, and the built-in locking screw enables convenient fastening and positioning.
This fitting consists of a circular ring body and a solid cylindrical pin. It adopts a special curved structural design, which can cooperate with other pipe or frame parts for positioning, connection and swing assembly. The integrated casting structure ensures high mechanical strength and impact resistance, and the built-in locking screw enables convenient fastening and positioning.
Available in multiple sizes to match different pipe diameters, this pin fitting is widely used for scaffolding, safety guardrails, pipe support systems and mechanical frame assemblies. It features easy installation, stable connection and long service life, which is a reliable structural accessory for construction and industrial mechanical systems.
Zinc Plated Pin Fitting Drawing
A36 Chemical Composition And Mechanical Properties
Factory and Product Pictures
Zinc Plated Pin Fitting Product Pictures
A36 PMI spectral testing proves
Video of a customer visiting us
Product processing
Zinc Plated Pin Fitting Product Processing
1.Raw Material Inspection & Casting:
Adopt high-quality carbon steel raw materials conforming to international industrial standards. Strictly inspect chemical composition, mechanical strength and impurity content, reject raw materials with excessive slag inclusions and internal metallurgical defects. Melt qualified carbon steel ingots in the smelting furnace at precisely controlled temperature, then pour molten metal into precision casting molds to form the integral blank of pin fitting with ring body and integrated cylindrical pin. Precisely control pouring temperature, flow speed and cooling rate to minimize common casting defects such as porosity, shrinkage cavity and cold shut, ensuring the integrated structure of ring and pin is complete and free from hidden cracks.
2.Gate Removal & Shot Blasting:
3.Precision Machining:
4.Deburring & Pre-Plating Pretreatment:
5.Electroplating & Hot-Dip Zinc Composite Treatment:
6.Final Inspection & Packaging:
2.Gate Removal & Shot Blasting:
Cut off casting gates, risers and excess flash from cast blanks by grinding equipment. Carry out shot blasting treatment with high-hardness steel pellets to thoroughly remove adhered molding sand, oxide scale and surface stains. This process relieves internal casting stress, strengthens the workpiece surface and obtains uniform base texture, preparing stable surface condition for subsequent precision machining and electroplating.
3.Precision Machining:
Perform CNC machining on the inner circular hole, mating surface and locking screw hole of the fitting. Strictly control the dimensional tolerance and roundness of the inner ring hole to ensure precise fit with matching pipes. Carry out tapping operation for the locking screw hole, inspect thread tooth profile, pitch and diameter by thread gauges one by one to ensure smooth screw assembly and reliable fastening performance after installation.
4.Deburring & Pre-Plating Pretreatment:
Remove sharp burrs and flash generated during casting and machining on the ring body, cylindrical pin and threaded hole by grinding and brushing. Conduct multi-stage industrial pretreatment including alkaline degreasing, water rinsing, acid pickling and pure water rinsing to fully remove cutting oil, rust and surface contaminants, achieving a clean and active metal surface without oil residue before plating.
5.Electroplating & Hot-Dip Zinc Composite Treatment:
Put the cleaned workpieces into electroplating baths first for electro-galvanizing, followed by hot-dip galvanizing process to achieve a total zinc coating thickness up to 80μm. The composite zinc layer forms dense protective coating on the component surface to provide outstanding rust resistance and corrosion resistance. After galvanizing, implement chromate passivation treatment to further improve anti-corrosion performance and enhance coating adhesion. Complete multiple pure water rinsing and low-temperature drying to avoid watermarks, residual plating liquid and coating discoloration.
6.Final Inspection & Packaging:
Conduct comprehensive quality inspection including dimension verification, zinc coating thickness test (target 80μm), surface appearance check and assembly matching test. Unqualified products with coating peeling, cracks or dimensional out-of-tolerance will be sorted out. Pack finished zinc plated pin fittings into moisture-proof plastic bags and export cartons with clear product specification labels, then deliver to warehouse for storage and shipment.
Our NXF GROUP advantage as follow
1.Our NXF GROUP have our own factory, and we can control the cost by producing by ourselves. We have a great advantage in price and can give you the lowest price based on best quality.
2.Our NXF GROUP can strictly control the quality. We have production, quality inspection, warehousing and other departments to coordinate and control the quality,Such as PMI and size testing.
3.Our NXF GROUP biggest advantage is 3S service. Small quantity, short time, special materials.
4.Our NXF GROUP have excellent quality certificate system and trademark certificate.
5.Our NXF GROUP have a comprehensive after-sales service guarantee, such as the transaction guarantee provided by Alibaba International Station, as well as remote technical guidance and services.
6.Our NXF GROUP have a well-established logistics support system that can save you both time and money, providing you with a one-stop service.
2.Our NXF GROUP can strictly control the quality. We have production, quality inspection, warehousing and other departments to coordinate and control the quality,Such as PMI and size testing.
3.Our NXF GROUP biggest advantage is 3S service. Small quantity, short time, special materials.
4.Our NXF GROUP have excellent quality certificate system and trademark certificate.
5.Our NXF GROUP have a comprehensive after-sales service guarantee, such as the transaction guarantee provided by Alibaba International Station, as well as remote technical guidance and services.
6.Our NXF GROUP have a well-established logistics support system that can save you both time and money, providing you with a one-stop service.
Packing & Delivery
Packing
Delivery
Company Profile
New XiFei (SuZhou) Business Co.,Ltd is one of the leading and most respected manufacturers in China. Our products include metals,machinery, containers, construction materials, mechanical products, electrical systems, and medical accessories.Established in1980, XIFEI has been working diligently ever since to embrace the needs of our global customer base.We work to ensure absolute customer satisfaction. Our team has dedicated itself to perfecting our three core components, "Service, Management and Craftsmanship." Our advantage:3S Service(Small Quantity/Short Time/Special Material)
Certification
FAQ
1. who are we?
We are based in Jiangsu, China, start from 2021,sell to South Asia(30.00%),Eastern Asia(10.00%),Mid East(10.00%),Eastern Europe(10.00%),South America(10.00%),Domestic Market(5.00%),North America(5.00%),Northern Europe(5.00%),Central America(5.00%),Africa(5.00%),Southeast Asia(5.00%). There are total about 101-200 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Pipe,Flange,Steel plate,Pipe fittings,Alloy products
4. why should you buy from us not from other suppliers?
Our advantage:
We are based in Jiangsu, China, start from 2021,sell to South Asia(30.00%),Eastern Asia(10.00%),Mid East(10.00%),Eastern Europe(10.00%),South America(10.00%),Domestic Market(5.00%),North America(5.00%),Northern Europe(5.00%),Central America(5.00%),Africa(5.00%),Southeast Asia(5.00%). There are total about 101-200 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Pipe,Flange,Steel plate,Pipe fittings,Alloy products
4. why should you buy from us not from other suppliers?
Our advantage:
1.Our NXF GROUP have our own factory, and we can control the cost by producing by ourselves. We have a great advantage in price and can give you the lowest price based on best quality.
2.Our NXF GROUP can strictly control the quality. We have production, quality inspection, warehousing and other departments to coordinate and control the quality,Such as PMI and size testing.
3.Our NXF GROUP biggest advantage is 3S service. Small quantity, short time, special materials.
4.Our NXF GROUP have excellent quality certificate system and trademark certificate.
5.Our NXF GROUP have a comprehensive after-sales service guarantee, such as the transaction guarantee provided by Alibaba International Station, as well as remote technical guidance and services.
6.Our NXF GROUP have a well-established logistics support system that can save you both time and money, providing you with a one-stop service.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,DDU；
Accepted Payment Currency:USD,EUR,CAD,HKD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Credit Card,PayPal;
Language Spoken:English,Chinese,Spanish,Russian
2.Our NXF GROUP can strictly control the quality. We have production, quality inspection, warehousing and other departments to coordinate and control the quality,Such as PMI and size testing.
3.Our NXF GROUP biggest advantage is 3S service. Small quantity, short time, special materials.
4.Our NXF GROUP have excellent quality certificate system and trademark certificate.
5.Our NXF GROUP have a comprehensive after-sales service guarantee, such as the transaction guarantee provided by Alibaba International Station, as well as remote technical guidance and services.
6.Our NXF GROUP have a well-established logistics support system that can save you both time and money, providing you with a one-stop service.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,DDU；
Accepted Payment Currency:USD,EUR,CAD,HKD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Credit Card,PayPal;
Language Spoken:English,Chinese,Spanish,Russian
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