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:What is the maximum temperature for stainless steel pipes?: The specific grade of stainless steel used determines the maximum temperature for stainless steel pipes. High temperatures up to 1600-1800°F (870-980°C) can generally be handled by austenitic stainless steels like grades 304 and 316. However, factors like exposure duration, corrosive environments, and application requirements should be taken into account. Different grades, such as ferritic or martensitic stainless steels, might have lower maximum temperature limits. To establish the suitable maximum temperature for a specific stainless steel pipe, it is recommended to refer to the manufacturer's specifications and engineering guidelines.

Q:What is the difference between 2205 and 316 stainless steel pipes?: The main difference between 2205 and 316 stainless steel pipes lies in their composition and properties. 2205 stainless steel is a duplex stainless steel, meaning it consists of both austenitic and ferritic phases. This makes it highly resistant to corrosion and provides excellent strength and toughness. It has a higher yield strength compared to 316 stainless steel, making it suitable for applications where higher strength is required, such as in the oil and gas industry. On the other hand, 316 stainless steel is an austenitic stainless steel, known for its corrosion resistance and excellent weldability. It contains higher amounts of chromium and nickel, providing better resistance to chloride corrosion and acid attacks, making it commonly used in marine and chemical environments. In summary, 2205 stainless steel is preferred when higher strength and resistance to corrosion and stress corrosion cracking are essential, while 316 stainless steel is chosen for its superior corrosion resistance in chloride-rich environments.

Q:Can stainless steel pipes be used for swimming pool installations?: Swimming pool installations can indeed utilize stainless steel pipes. Stainless steel is an incredibly sturdy and corrosion-resistant substance, which renders it appropriate for deployment in swimming pool settings where water and chemicals are consistently present. Stainless steel pipes are renowned for their long lifespan and capacity to endure the demanding conditions of a swimming pool, such as exposure to chlorinated water and high temperatures. Furthermore, stainless steel pipes are effortless to clean and maintain, thereby diminishing the possibility of contamination or obstructions in the pool system. All in all, due to their robustness, corrosion resistance, and durability, stainless steel pipes emerge as a dependable choice for swimming pool installations.

Q:How do stainless steel pipes perform in extreme weather conditions?: Stainless steel pipes are known for their excellent performance and durability in extreme weather conditions. Due to their unique composition, stainless steel pipes have a high resistance to corrosion, making them ideal for use in various environments, including extreme weather conditions. In extremely cold weather, stainless steel pipes retain their strength and flexibility, unlike other materials that may become brittle or crack. This makes them suitable for applications such as oil and gas pipelines, where they can withstand low temperatures without compromising their performance. Similarly, in extremely hot weather, stainless steel pipes exhibit excellent heat resistance, preventing them from warping or deforming. This quality is crucial in industries like power generation, where high-temperature environments are common. Furthermore, stainless steel pipes have a high melting point, enabling them to maintain their structural integrity even in the presence of intense heat. This makes them resistant to fire damage, making them a safe choice for applications that require fire protection. Stainless steel pipes also have exceptional resistance to UV radiation, which can be damaging over time. This property ensures that the pipes do not degrade or weaken when exposed to direct sunlight or extreme weather conditions, making them suitable for outdoor applications. Additionally, stainless steel pipes have excellent mechanical properties, including high tensile strength and impact resistance. These qualities allow them to withstand extreme weather conditions such as high winds, heavy storms, and seismic activities without undergoing structural failures. In conclusion, stainless steel pipes are highly reliable and perform exceptionally well in extreme weather conditions. Their resistance to corrosion, high and low temperatures, UV radiation, and mechanical stress makes them a preferred choice for various industries, ensuring reliable and long-lasting performance even in the harshest environments.

Q:What is the difference between 304J2 and 316J2 stainless steel pipes?: 304J2 and 316J2 stainless steel pipes differ primarily in their chemical composition and the presence of specific elements. 304J2 stainless steel is a variation of the popular 304 grade. It possesses approximately 18-20% chromium and 8-10.5% nickel, resulting in commendable corrosion resistance, particularly in mildly corrosive surroundings. Nevertheless, its molybdenum content is lower compared to 316J2. In contrast, 316J2 stainless steel is a variant of the 316 grade. It contains roughly 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. The augmented molybdenum content heightens its resistance to corrosion, making it suitable for more aggressive settings like marine or chemical applications. Regarding mechanical properties, both grades exhibit similar tensile and yield strength. However, due to the elevated levels of nickel and molybdenum, 316J2 stainless steel pipes generally display superior resistance to pitting and crevice corrosion. Ultimately, the selection between 304J2 and 316J2 stainless steel pipes relies on the specific application and the extent of corrosion resistance desired. While 304J2 suffices for general use in mildly corrosive environments, 316J2 is preferable when exposure to more aggressive conditions is anticipated.

Q:Can stainless steel pipes be used for dairy processing equipment?: Yes, stainless steel pipes can be used for dairy processing equipment. Stainless steel is a commonly used material in the food and dairy industry due to its hygienic properties, resistance to corrosion, and ease of cleaning. It is specifically designed to meet the high standards of cleanliness and sanitation required in dairy processing, making it a suitable choice for various applications in this industry.

Q:Can stainless steel pipes be used for food processing equipment?: Stainless steel pipes have the capability to be utilized for food processing equipment. The food industry highly favors stainless steel due to its ability to resist corrosion, its durability, and its hygienic properties. It does not interact with food or beverages, guaranteeing the absence of contamination or alteration of the product. In addition, stainless steel pipes are easily cleaned and maintained, making them an ideal option for use in food processing equipment where cleanliness and food safety are crucial. Furthermore, stainless steel has the capacity to endure high temperatures and pressures, which are often necessary in food processing operations. In conclusion, stainless steel pipes are a suitable choice for food processing equipment and are extensively employed in the industry.

Q:What is the maximum pressure rating for stainless steel pipe fittings?: The maximum pressure rating for stainless steel pipe fittings varies depending on factors such as the size, type, and wall thickness of the fittings. It is important to refer to the manufacturer's specifications for accurate and specific pressure ratings for each stainless steel pipe fitting.

Q:Are stainless steel pipes suitable for underground water supply?: Indeed, stainless steel pipes are a fitting choice for underground water supply. With its exceptional resistance to corrosion and rust, stainless steel proves to be an optimal material for underground usage, where pipes may confront moisture, soil, and other corrosive substances. Notably, stainless steel pipes exhibit durability, longevity, and possess a remarkable tensile strength, enabling them to endure the pressure and strain of underground installations. Furthermore, stainless steel pipes maintain hygiene and do not release detrimental chemicals or pollutants into the water supply. All in all, stainless steel pipes present a dependable and secure alternative for underground water supply systems.

Q:Can stainless steel pipes be insulated with mineral wool?: Yes, stainless steel pipes can be insulated with mineral wool. Mineral wool is a common insulating material that can be used on various types of pipes, including stainless steel. It provides thermal insulation and helps to prevent heat loss or gain, depending on the application.

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