duplex seamless pipe 32760

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Specifications

ASTM A789 S32760 Super Duplex stainless steel pipe
1. Good general corrosion resistance
2. Excellent strength and toughness

ASTM A789 S32760 Super Duplex stainless steel pipe

Standard : ASTM A789 A790

Material : S31803;S32205;S32750;S32760

Thickness : 0.8-30mm

OD: 10-710mm

ASTM	UNS	C	Si	Mn	P	S	Cr	Ni	Mo	N	Other
	S31803	0.03	1.00	2.00	0.03	0.02	21-23	4.5-6.5	2.5-3.5	0.08-0.20
2205	S32205	0.03	1.00	2.00	0.03	0.02	22-23	4.5-6.5	3.0-3.5	0.14-0.20
2507	S32750	0.03	0.8	1.2	0.035	0.02	24-26	6.0-8.0	3.0-5.0	0.24-0.32	Cu<0.5
Zeron 100	S32760	0.03	1.00	1.00	0.03	0.01	24-26	6.0-8.0	3.0-4.0	0.2-0.3

Grade		Tensile strength	Yield srength	Elongation	Hardness
ASTM	UNS	(Mpa)	(Mpa)	(%)	(HBW)
	S31803	620	450	25	290
2205	S32205	655	485	25	290
2507	S32750	800	550	15	300
Zeron 100	S32760	750	550	25	300

Q: Is food grade stainless steel GB9684 304?: You can't say that.GB9684 is the implementation of standards, 304 is a material of stainless steel, stainless steel material is very much, such as 304321316347310s, 904L and so on, as long as the material of stainless steel in accordance with GB9684 standards of production and processing, can be used as a food grade stainless steel, it should be said that in accordance with the implementation of the standard GB9684 production and processing of food grade stainless steel is 304.

Q: Can stainless steel pipes spray black paint?: Stainless steel pipes can spray black paint.The surface of stainless steel has a smooth surface

Q: How do you calculate the flow velocity in stainless steel pipes?: In order to determine the flow velocity in stainless steel pipes, one must take into account multiple factors. Firstly, it is necessary to be acquainted with the flow rate or volumetric flow rate (Q) of the fluid that passes through the pipe. This can be ascertained by measuring the volume of fluid that traverses the pipe within a given time period. Subsequently, the cross-sectional area (A) of the pipe needs to be determined. For circular pipes, this can be computed using the formula A = πr², where r denotes the radius of the pipe. Once both the flow rate (Q) and cross-sectional area (A) are known, the flow velocity (V) can be calculated using the formula V = Q / A. It is worth noting that the flow velocity may undergo variations along the length of the pipe due to factors such as friction and changes in pipe diameter. In such instances, more advanced calculations or simulations may be required to accurately ascertain the flow velocity at specific points within the pipe. Furthermore, it is crucial to take into consideration the properties of the fluid being transported, such as viscosity and density, as they can also impact the flow velocity.

Q: What are the common standards for stainless steel pipes?: Stainless steel pipes have varying common standards depending on the specific application and industry in which they are used. However, there are several widely recognized standards that are commonly employed in the manufacturing and specification of these pipes. One of the most extensively used standards is ASTM International, which is responsible for establishing standards for various materials, including stainless steel. ASTM A312/A312M serves as the standard specification for austenitic stainless steel pipes that are seamless, welded, and heavily cold worked. This comprehensive standard encompasses a wide range of pipe sizes and grades, including TP304, TP316, TP321, and more. Another standard frequently referenced is the American National Standards Institute (ANSI) standards. ANSI B36.19 specifically delineates the dimensions, tolerances, and materials for stainless steel pipes. This standard covers both seamless and welded stainless steel pipes, offering a multitude of sizes and schedules. Apart from these standards, there are also industry-specific standards. For instance, the American Petroleum Institute (API) has established standards like API 5L, which are specifically designed for line pipes used in the oil and gas industry. These standards outline the requirements for materials, dimensions, and testing of stainless steel pipes utilized in specific applications. Other standards organizations, including the International Organization for Standardization (ISO) and the European Committee for Standardization (EN), also contribute their own standards for stainless steel pipes. ISO 1127, for instance, specifies the dimensions and tolerances for stainless steel pipes used for general purposes. It is important to acknowledge that these standards are continuously updated and revised to align with technological advancements and industry requirements. Therefore, it is crucial to refer to the latest versions of these standards to ensure compliance and maintain the quality of stainless steel pipe manufacturing and usage.

Q: Can stainless steel pipes be used for high-pressure applications?: Yes, stainless steel pipes can be used for high-pressure applications. Stainless steel is known for its excellent corrosion resistance, strength, and durability, making it a suitable material for handling high-pressure fluids or gases. Stainless steel pipes can withstand high pressures without experiencing deformation or leakage, ensuring the safe and efficient transfer of fluids in various industries such as oil and gas, chemical processing, and power generation. Additionally, stainless steel pipes can also withstand extreme temperatures, further enhancing their suitability for high-pressure applications.

Q: What are the temperature limitations of stainless steel pipes?: The temperature limitations of stainless steel pipes depend on the specific grade of stainless steel used. Generally, stainless steel pipes can withstand high temperatures up to 1200°F (649°C) without experiencing significant deformation or damage. However, the maximum operating temperature can vary depending on the alloy composition and its mechanical properties. For instance, austenitic stainless steels, such as grades 304 and 316, are commonly used in various industrial applications and can typically handle temperatures up to 1500°F (816°C). These grades offer good corrosion resistance and excellent toughness, making them suitable for high-temperature environments. On the other hand, ferritic and martensitic stainless steels, like grades 409 and 410, have lower resistance to high temperatures compared to austenitic stainless steels. They can generally withstand temperatures up to 1200°F (649°C) before significant loss of strength occurs. It is important to note that prolonged exposure to high temperatures can cause stress corrosion cracking and reduce the overall lifespan of stainless steel pipes. Therefore, it is crucial to consider the specific application and choose an appropriate grade of stainless steel that can withstand the desired temperature range. Consulting with a materials engineer or referring to industry standards and guidelines is recommended to ensure safe and reliable operation of stainless steel pipes at elevated temperatures.

Q: Are stainless steel pipes suitable for food processing industries?: Yes, stainless steel pipes are highly suitable for food processing industries. Stainless steel is a preferred material in these industries due to its excellent corrosion resistance, durability, and hygiene properties. Stainless steel pipes do not react with food or alter its taste, and they are resistant to staining, rusting, and chemical damage. This makes them ideal for transporting various food products, including liquids, gases, and solids. Additionally, stainless steel pipes are easy to clean and maintain, reducing the risk of contamination and ensuring food safety.

Q: Can stainless steel pipes be used in pharmaceutical industries?: Indeed, stainless steel pipes find utility within pharmaceutical industries. The pharmaceutical sector favors stainless steel as a material of choice due to its superb resistance against corrosion, endurance, and cleanliness. It possesses non-reactive and non-contaminating properties, rendering it suitable for the conveyance and storage of diverse pharmaceutical compounds, such as acids, bases, solvents, and other chemicals. Furthermore, stainless steel pipes exhibit resilience against elevated temperatures and pressures, qualifying them for deployment in numerous pharmaceutical manufacturing procedures. Moreover, stainless steel is effortlessly cleanable and sanitizable, guaranteeing the upholding of superior hygiene standards within the pharmaceutical industry.

Q: How do stainless steel pipes compare to copper nickel pipes?: Stainless steel pipes and copper nickel pipes are both commonly used in various industries for their unique properties and advantages. While they serve similar purposes, there are some notable differences between the two. Firstly, stainless steel pipes are made of an alloy consisting primarily of iron, with significant amounts of chromium and other elements. They are highly resistant to corrosion, making them suitable for applications where durability and longevity are crucial. Stainless steel pipes are also known for their strength, making them ideal for high-pressure environments. Additionally, stainless steel pipes can withstand extreme temperatures, making them suitable for a wide range of applications. On the other hand, copper nickel pipes are composed of an alloy that combines copper and nickel in varying proportions. These pipes are highly resistant to corrosion, especially in seawater environments, which makes them particularly useful in marine applications. Copper nickel pipes also possess excellent thermal conductivity and are resistant to biofouling, making them suitable for heat exchangers and condensers in various industries. In terms of cost, stainless steel pipes are generally more affordable compared to copper nickel pipes. The price difference can be a significant factor when considering large-scale installations or projects with budget constraints. Moreover, the choice between stainless steel and copper nickel pipes also depends on specific requirements and conditions. For instance, if resistance to corrosion is the primary concern, copper nickel pipes would be the preferred option, especially in marine environments. Conversely, if strength, durability, and versatility are more critical, stainless steel pipes would be a better choice. In conclusion, stainless steel pipes and copper nickel pipes have their respective advantages and applications. Both are excellent materials for various industries, but the decision on which to use ultimately depends on factors such as corrosion resistance, strength, thermal conductivity, and budget considerations.

Q: Can stainless steel pipes be coated with fusion bonded epoxy?: Yes, stainless steel pipes can be coated with fusion bonded epoxy (FBE). FBE is a thermosetting powder coating that is commonly used as a corrosion protection coating for various types of pipes, including carbon steel, ductile iron, and stainless steel pipes. The FBE coating provides excellent adhesion, corrosion resistance, and impact resistance to the stainless steel pipes, extending their service life and reducing maintenance requirements. The FBE coating process involves applying the powder coating to the preheated pipe surface, which then fuses and forms a continuous, protective layer. This coating is widely used in industries such as oil and gas, water treatment, and sewage systems to protect stainless steel pipes from corrosion and other environmental factors.

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