ANSI B18.2.1 A193 B7 PTFE Coated Hex Bolt for Oil Pipeline

• Customization: Available
• Material: Carbon Steel
• Type: Hexagon Head
• Model NO.: QSZ 24 F 127
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, BSW, ASME, ISO, Hg
• Grade: 12.9
• Application: Machinery, Chemical Industry, Environmental, Building, B16.5 Flanges Connection
• Finish: Blue-White Zinc Plated
• Surface Treatment: Black
• Delivery: 2-4 Weeks
• Thread: Full Thread, Unc, Unf
• Length: According to Client′s Requirement
• Size Range: M6-M100, 1/2"- 4"
• Transport Package: Plywood Cases/Wooden Boxes
• Specification: 1/2"-4"
• Trademark: Qishine
• Origin: China
• HS Code: 7318159090
• Package Size: 120.00cm * 120.00cm * 120.00cm
• Package Gross Weight: 53.000kg

Product Description

Company Profile

 

ABOUT US
 

Xiamen Qishine Imp. & Exp. Co., Ltd. is a Chinese company established in 2013. We are a leading fabrication services provider in industries such as Oil & Gas, Petroleum, Marine, Oilfield, Mining, and Heavy Industry, specifically for pipeline construction and maintenance.

Xiamen Qishine is ideal choice for EPC companies and project contractors. Our company specializes in supplying a range of products including Pipes, Flanges, Fasteners, Gaskets, Fittings, Valves, and Piping Spare Parts. Our products are API, CE, TUV and ISO certified.   Products are widely used on oil rigs, new nuclear power plant, Chemical and Heavy Industry.

Qishine is proud as being a premium product supplier who works closely with our clients to achieve the best possible results. We have an experienced team, skilled labor force, and advanced facilities to ensure safe and efficient project completion, meeting deadlines and budget requirements.

Product Description

In the ever-evolving world of industrial applications, the need for reliable and durable components is paramount. Our PTFE Coated Hex Bolt stands out as a premier choice for professionals in the oil pipeline industry. With over eleven years of experience in manufacturing oil pipeline accessories, our company has honed its expertise to deliver products that meet the highest standards of quality and performance. The PTFE Coated Hex Bolt is engineered to provide exceptional strength, corrosion resistance, and versatility, making it an indispensable component for any oil pipeline project.

 

 

Unmatched Strength and Performance
The PTFE Coated Hex Bolt is crafted from high-quality A193 B7 material, ensuring that it meets the rigorous demands of industrial applications. With a performance class of 10.9, this hex bolt is designed to withstand extreme conditions, making it ideal for use in oil pipelines. The strength of extension is rated at an impressive 861.25 MPa, providing the reliability needed for critical applications. Additionally, the elongation of 16% ensures that the bolt can endure significant stress without compromising its integrity.




This combination of strength and flexibility makes the PTFE Coated Hex Bolt a top choice for engineers and contractors who require components that can handle the rigors of oil pipeline installations. Whether you are working on new construction or maintenance projects, this hex bolt is engineered to deliver consistent performance, ensuring that your pipeline systems remain secure and efficient.

 

ASTM A193 HEX 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 HEX 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

Superior Corrosion Resistance
One of the standout features of the PTFE Coated Hex Bolt is its exceptional corrosion resistance. The PTFE (Polytetrafluoroethylene) coating provides a protective barrier that shields the bolt from harsh environmental conditions, including exposure to chemicals, moisture, and extreme temperatures. This is particularly important in the oil and gas industry, where components are often subjected to corrosive substances that can lead to premature failure.

By utilizing the PTFE Coated Hex Bolt, you can significantly extend the lifespan of your pipeline systems. The corrosion-resistant properties of this bolt not only enhance its durability but also reduce maintenance costs over time. This makes it a cost-effective solution for companies looking to optimize their operations while ensuring the safety and reliability of their infrastructure.

Versatile Applications
The PTFE Coated Hex Bolt is designed for a wide range of applications within the oil pipeline industry. Its versatility makes it suitable for various projects, including the construction of new pipelines, repairs, and upgrades to existing systems. The bolt is available in sizes ranging from 1/2 to 4 inches, allowing for customization based on specific project requirements.

Whether you are working on offshore drilling platforms, onshore pipelines, or storage facilities, the PTFE Coated Hex Bolt is engineered to meet the diverse needs of the industry. Its robust design and reliable performance make it an essential component for any oil pipeline project, ensuring that your systems operate smoothly and efficiently.

Industry Standards and Compliance
Our PTFE Coated Hex Bolt adheres to ANSI standards, ensuring that it meets the stringent requirements set forth by industry regulations. Compliance with these standards is crucial for maintaining the safety and integrity of oil pipeline systems. By choosing our hex bolt, you can have confidence that you are using a product that has been rigorously tested and certified for quality and performance.

In addition to meeting ANSI standards, our company is committed to continuous improvement and innovation. We regularly review and update our manufacturing processes to ensure that we are providing the best possible products to our customers. This dedication to quality has earned us a reputation as a trusted supplier of oil pipeline accessories, and we take pride in our ability to deliver reliable solutions to our clients.

Customer-Centric Approach
At our company, we understand that the success of your projects depends on the quality of the components you use. That's why we prioritize customer satisfaction and strive to provide exceptional service at every stage of the purchasing process. From initial inquiries to post-purchase support, our team is dedicated to ensuring that you have a seamless experience.

We offer expert guidance to help you select the right PTFE Coated Hex Bolt for your specific application. Our knowledgeable staff is available to answer any questions you may have and provide recommendations based on your project requirements. Additionally, we offer competitive pricing and flexible ordering options to accommodate the needs of our clients.

Conclusion: Elevate Your Pipeline Projects with PTFE Coated Hex Bolts
In conclusion, the PTFE Coated Hex Bolt is a superior choice for professionals in the oil pipeline industry. With its unmatched strength, corrosion resistance, and versatility, this hex bolt is designed to meet the demanding requirements of modern pipeline systems. Our company's extensive experience in manufacturing oil pipeline accessories ensures that you are receiving a product that is built to last.

By choosing the PTFE Coated Hex Bolt, you are investing in a reliable solution that will enhance the performance and longevity of your pipeline projects. Don't compromise on quality-opt for the best in the industry and experience the difference that our PTFE Coated Hex Bolt can make in your operations.