Colored Zinc A194 2h Hex Nut for Flange

Product Details
Customization: Available
Material: Carbon Steel
Type: Hexagon Head
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  • Colored Zinc A194 2h Hex Nut for Flange
  • Colored Zinc A194 2h Hex Nut for Flange
  • Colored Zinc A194 2h Hex Nut for Flange
  • Colored Zinc A194 2h Hex Nut for Flange
  • Colored Zinc A194 2h Hex Nut for Flange
  • Colored Zinc A194 2h Hex Nut for Flange
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  • Overview
  • Company Profile
  • Product Description
  • Certifications
  • Detailed Photos
Overview

Basic Info.

Model NO.
M36
Connection
Common Bolt
Head Style
Hexagonal
Standard
DIN, ANSI, GB, JIS, GOST, BSW, ASME, ISO, Hg
Grade
8.8
Heat Treatment
Solution
Delivery
2-4 Weeks
Thread
Full Thread
Thickness
29.4-31.9
Size Range
M8-36
Pitch
4mm,Customize
Transport Package
Plywood Cases/Wooden Boxes
Specification
M36
Trademark
Qishine
Origin
China
HS Code
7318159090

Packaging & Delivery

Package Size
20.00cm * 15.00cm * 15.00cm
Package Gross Weight
12.000kg

Product Description

Company Profile

Colored Zinc A194 2h Hex Nut for Flange

 

About Us
Xiamen Qishine Industry Co., Ltd provides forged flanges with nominal diameter DN15 - DN3000 that suit for Europe, Germany, the United States, France, Britain, Italy, Russia, Japan and domestic chemical standards, EN, DIN, ASME, ANSI, BS, JIS, MSS, API,AWWA, Gost, GB and SAE. Non-standard flanges according to customers' drawings are available also. All our products  are made by ISO,PED, EC, EU and API approved manufacturers. Be rest assured about our products quality. And any third party inspection before delivery are welcome.

 

Product Description

Xylan Coated B7 Studs 2h Nuts B16.5 Flange Connection Fastener

Fasteners are integral components in industrial and construction projects. These fasteners play a vital role in joining different parts together, ensuring the safety and reliability of the overall structure. Xylan-coated B7 studs, 2H nuts and B16.5 flange connection fasteners are some of the most commonly used fasteners in various industries. Let us examine each of these components in closer detail.

Certifications
Colored Zinc A194 2h Hex Nut for Flange
Colored Zinc A194 2h Hex Nut for Flange

 



B7 Studs:

B7 studs are high-strength, heat-treated steel fasteners that are commonly used in high-pressure and high-temperature applications. These studs are manufactured from alloy steel, ensuring exceptional strength and durability. These fasteners are commonly employed in flanged joints to ensure the secure connection of two distinct components. B7 studs are available in different diameters, lengths and finishes to suit different applications.
One of the key benefits of B7 studs is their ability to withstand corrosion and high temperatures. Coating with materials such as Xylan is often used to provide additional protection against corrosion and wear. Xylan coating is a fluoropolymer coating that is renowned for its exceptional anti-corrosion properties. The product's non-stick surface is characterised by its smooth texture and resistance to friction, wear and chemical degradation.

2H Nuts:

Detailed Photos

 

 

Colored Zinc A194 2h Hex Nut for Flange
Colored Zinc A194 2h Hex Nut for Flange




2H nuts are heavy hex nuts that are used in conjunction with B7 studs. These nuts are manufactured from high-strength materials and are designed to provide a secure and tight fit. These hex nuts have six sides and are larger than regular hex nuts, making them ideal for high-pressure applications. 2H nuts are frequently used in conjunction with B7 studs to ensure a secure and reliable joint.As with B7 studs, 2H nuts are available in a range of sizes and finishes to suit different applications. Coating with materials such as Xylan is often used to provide additional protection against corrosion and wear. Xylan coating is also used to provide a lubricating effect that facilitates the easy tightening and removal of nuts.
B16.5 Flange Connection:

B16.5 flange connections are a type of fastener that is used to join two separate parts together. These connections are commonly used in piping systems and are designed to provide a secure and reliable joint. B16.5 flange connections are available in different sizes and classes to suit different applications. They are typically made from materials such as carbon steel, stainless steel, or alloy steel.
One of the key benefits of B16.5 flange connections is their capacity to ensure a watertight seal. The product has been designed to provide a tight seal that prevents leaks and reduces the risk of environmental contamination. B16.5 flange connections are frequently used in conjunction with B7 studs and 2H nuts to provide a secure and reliable joint.

Conclusion:

In conclusion, Xylan coated B7 studs, 2H nuts, and B16.5 flange connection fasteners are essential components of various industries. These components are engineered to deliver exceptional strength, durability and corrosion resistance. These valves are frequently employed in high-pressure and high-temperature applications where safety and reliability are paramount. Utilising these components enables industries to ensure the safe and efficient completion of their projects.

Colored Zinc A194 2h Hex Nut for Flange

Stud Bolt Materials

The most common materials for stud bolts (for flanges) are ASTM A193 (grade B7, B8, B8M, B8T), ASTM A453 (grade 660), ASTM A320 (grade L7, L7M), and ASTM A182 (duplex and super duplex bolting). For aggressive fluids and environments, stud bolts can be coated with Xylan/PTFE, Zinc and other materials.

ASTM A193 Stud Bolts: Chemical Composition

Physical Element ASTM A193 grade B7 (AISI 4140) ASTM A193 grade B8 (AISI 304) ASTM A193 grade B8M (AISI 316)
Carbon 0.38 - 0.48% 0.08% max 0.08% max
Manganese 0.75 - 1.00% 2.00% max 2.00% max
Phosphorus, max 0.035% 0.045% 0.045%
Sulfur, max 0.040% 0.030% 0.030%
Silicon 0.15 - 0.35% 1.00% max 1.00% max
Chromium 0.80 - 1.10% 18.0 - 20.0% 16.0 - 18.0%
Nickel absent 8.0 - 11.0% 10.0 - 14.0%
Molybdenum 0.15 - 0.25% absent 2.00 - 3.00%



ASTM A193 Stud Bolts: Mechanical Properties

ASTM A193 Size Min Tensile Strength (KSI) Min Yield Strength (KSI) Min Elongation (%) RA % min Max HBW Max HRC
ASTM A193 grade B7 Up to 2-1/2 125 105 16 50 321 35
2-5/8 - 4 115 95 16 50
4-1/8 - 7 100 75 18 50
ASTM A193 grade B8 Class 1 All 75 30 30 50 223 35
ASTM A193 grade B8M Class 1 All 75 30 30 50 223 96
ASTM A193 grade B8 Class 2 Up to 3/4 125 100 12 35 321 35
7/8 - 1 115 80 15 35
1-1/8 - 1-1/4 105 65 20 35
1-3/8 - 1-1/2 100 50 28 45
ASTM A193 grade B8M Class 2 Up to 3/4 110 95 15 45 321 35
7/8 - 1 100 80 20 45
1-1/8 - 1-1/4 95 65 25 45
1-3/8 - 1-1/2 90 50 30 45
 

The material chosen for the threaded stud and the hex nuts should be compatible. Materials for bolting sets shall be selected based on the process's working temperatures, as shown in the table below:

  TEMPERATURE °C ( °F )
STUD BOLTS MATERIALS MIN. MAX.
CARBON STEEL -29 (-20) 300 (572)
A193 B7, L7 -73 (-100) 400 (752)
A193 B6 0 (32) 500 (932)
A193 B8 -200 (-325) 575 (1067)
A193 B16 0 (32) 520 (968)
A193 B17B -29 (-20) 650 (1202)
A913 Inconel 718 0 (32) 750 (1382)
A453 Gr. 660 -29 (20) 538 (1000)
 

ASTM A453 Stud Bolts for High-Temp. Service

ASTM A320 Stud Bolts for Low-Temp. Service

 

 Stud Bolts' Coating

Stud bolts can be coated to increase the resistance to corrosion. The most common types of coatings for stud bolts are listed below:

  • Electro zinc plating
  • Electro cadmium plating
  • Hot dip galvanizing
  • PTFE Coating
  • Phosphate coating
  • Electroless nickel plating
  • Zinc-nickel coating
  • Aluminum coating
  • Silver coating
  • Zinc/Nickel by electrodeposition
  • Xylan coating

Colored Zinc A194 2h Hex Nut for Flange


 

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