A213 tp316l Stainless Steel Pipes/aisi 904l stainless steel pipe

A213 tp316l Stainless Steel Pipes/aisi 904l stainless steel pipe

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 6 m.t.

Supply Capability:: 25000 m.t./month

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304 Stainless Steel Pipe

Specification

Standard:

ASTM

Technique:

Cold Drawn

Shape:

Round

Surface Treatment:

Polished

Steel Grade:

300 Series

Certification:

SGS

Thickness:

0.9

Length:

2500

Outer Diameter:

Net Weight:

316 stainless steel pipe

Product Description

Nominal Diameter(mm)		Outside Diameter(mm)	Nominal Wall Thickness (mm)
N.B	NPS	Outside Diameter(mm)	SCH5S	SCH10S	SCH40S
8	1/4″	13.72		1.65	2.24
10	3/8″	17.15		1.65	2.31
15	1/2″	21.34	1.65	2.11	2.77
20	3/4″	26.67	1.65	2.11	2.87
25	1″	33.4	1.65	2.77	3.38
32	1-1/4″	42.16	1.65	2.77	3.56
40	1-1/2″	48.26	1.65	2.77	3.68
50	2″	60.33	1.65	2.77	3.91
65	2-1/2″	73.03	2.11	3.05	5.16
80	3″	88.9	2.11	3.05	5.49
90	3-1/2″	101.6	2.11	3.05	5.74
100	4″	114.3	2.11	3.05	6.02
125	5″	141.3	2.77	3.4	6.55
150	6″	168.28	2.77	3.4	7.11
200	8″	219.08	2.77	3.76	8.18

Tolerance :

Standard	GB151 ASTM JIS DIN
OD		I	II
	<Ø25---≥Ø50	±0.18	±0.30
	≥Ø25---≤Ø89	±0.30	±0.45
	≥Ø89---≤Ø129	±0.51	±0.80
Thickness	All specifications±0.5%
Length	All specifications±6
Straightness	All specifications≤2/1000

Chemical Composition:

Grade and Main chemical composition%
	C	Si	Mn	P≤	S≤	Cr	Mo	Ni	Other
201	≤0.15	≤1.00	5.5-7.5	0.06	0.03	16-18	-	3.5-5.5	N≤0.25
202	≤0.15	≤1.00	7.5-10.0	0.06	0.03	17-19	-	4.0-6.0	N≤0.25
301	≤0.15	≤1.00	≤2.00	0.045	0.03	16-18	-	6.0-8.0	-
302	≤0.15	≤1.00	≤2.00	0.045	0.03	17-19	-	8-10.0	-
303	≤0.15	≤1.00	≤2.00	0.2	≥0.015	17-19	≤0.6	8.0-10.0	-
304	≤0.08	≤1.00	≤2.00	0.045	0.03	18-20	-	8-10.5	-
304L	≤0.03	≤1.00	≤2.00	0.045	0.03	18-20	-	9-13	-
305	≤0.12	≤1.00	≤2.00	0.045	0.03	17-19	-	10.5-13	-
309S	≤0.08	≤1.00	≤2.00	0.045	0.03	22-24	-	12-15	-
310S	≤0.08	≤1.5	≤2.00	0.045	0.03	24-26	-	19-22	-
316	≤0.08	≤1.00	≤2.00	0.045	0.03	16-18	2-3	10-14	-
316L	≤0.03	≤1.00	≤2.00	0.045	0.03	16-18	2-3	12-15	-
317	≤0.08	≤1.00	≤2.00	0.045	0.03	18-20	3-4	11-15	-
317L	≤0.03	≤1.00	≤2.00	0.045	0.03	18-20	3-4	11-15	-
321	≤0.08	≤1.00	≤2.00	0.045	0.03	17-19	-	9-13	Ti≥5×C
405	≤0.08	≤1.00	≤1.00	0.04	0.03	11.5-14.5	-	≤0.6	AL0.1-0.3
420F	0.26-0.4	≤1.00	≤1.25	0.06	≥0.15	12-14	≤0.6	≤0.6	-
430	≤0.12	≤0.75	≤1.00	0.04	0.03	16-18	-	≤0.6

Definition of stainless steel(Adopted form Wikipedia)

In metallurgy, stainless steel, also known as inox steel or inox from French "inoxydable",

is defined as a steelalloy with a minimum of 10.5% to 11% chromium content by mass.

Stainless steel does not readily corrode, rust or stain with water as ordinary steel does,

but despite the name it is not fully stain-proof, most notably under low oxygen, high salinity,

or poor circulation environments. It is also called corrosion-resistant steel or CRES

when the alloy type and grade are not detailed, particularly in the aviation industry.

There are different grades and surface finishes of stainless steel to suit the environment

the alloy must endure. Stainless steel is used where both the properties of steel

and resistance to corrosion are required.

Surface Finish :

Surface finish	Characteristics and application
No.2B	The surface brightness and flatness of no2B is better than no2D. then through a special surface treatment to improve its mechanical properties, No2B could nearly satisfy comprehensive uses.
No.3	Polished with abrasive belt of git#100-#200, have better brightness with discontinuous coarse stria, used as inner and external ornaments for building, electrical appliances and kitchen utensils etc.
No.4	Polished with abrasive belt of grit #150-#180,have better brightness with discontinuous coarse stria, but thinner than No3, are used as bathtub buildings inner and external ornaments electrical appliances kitchen utensils and food processing equipment etc.
HL	Polished with abrasive belt of grit #150-#320 on the NO.4 finish and has continuous streaks, mainly used as buildings ornaments elevators, door of building, frontal plate etc.
BA	Cold rolled, bright annealed and skin-passed, the product have excellent brightness and good reflexivity like mirror, kitchen apparatus, ornament etc.
8K	The product have excellent brightness and prefer reflexivity can to be the mirror.

A213 tp316l Stainless Steel Pipes/aisi 904l stainless steel pipe

Q: What is the difference between 304N and 304LN stainless steel pipes?: The main difference between 304N and 304LN stainless steel pipes lies in their chemical composition. 304N stainless steel contains a higher nitrogen content, which improves its strength and corrosion resistance compared to 304LN stainless steel. This makes 304N more suitable for applications that require higher tensile strength and resistance to pitting and crevice corrosion. 304LN stainless steel, on the other hand, has a lower nitrogen content and is typically used in applications where lower strength and corrosion resistance are acceptable.

Q: Are stainless steel pipes resistant to erosion-corrosion?: Stainless steel pipes possess exceptional resistance against erosion-corrosion, making them an optimal option for environments prone to this concern, such as chemical processing plants, oil refineries, and marine settings. This resistance is due to the high chromium content in stainless steel, which forms a protective oxide layer on the metal's surface. Subsequently, this layer acts as a barrier, effectively preventing direct contact between the metal and corrosive substances. Moreover, the smooth surface of stainless steel pipes aids in reducing the impact of erosion, contributing to their prolonged durability and reliability.

Q: Are stainless steel pipes suitable for geothermal applications?: Yes, stainless steel pipes are suitable for geothermal applications. Stainless steel is highly resistant to corrosion and can withstand the high temperatures and pressures present in geothermal systems. Additionally, stainless steel pipes have excellent thermal conductivity, making them efficient for transferring heat in geothermal applications.

Q: Are stainless steel pipes resistant to intergranular corrosion?: Yes, stainless steel pipes are resistant to intergranular corrosion.

Q: Advantages and disadvantages of PPR lined stainless steel pipe and PPR aluminium plastic pipe: PPR lined stainless steel tubeAdvantage：Stainless steel lining pipe, high temperature resistance, can transport hot water, boiling water, steam, and safety and health. The installation of stainless steel tube after the whole bearing pipe resistance, impact resistance, corrosion resistance and other properties to strengthen and enhance the original tube, not only can be used for civilian water and gas, can also be used for fluid transportation industry.shortcomingOnce the processing is not well controlled, it is easy to cause stainless steel and PPR delamination.

Q: How do you calculate the flow rate of fluid through stainless steel pipes?: To calculate the flow rate of fluid through stainless steel pipes, you can use the Bernoulli's equation or the Darcy-Weisbach equation. Both equations take into account various factors such as the diameter of the pipe, the length of the pipe, the viscosity of the fluid, and the pressure difference between the two ends of the pipe. 1. Bernoulli's equation: This equation is based on the principle of conservation of energy and relates the pressure, velocity, and elevation of a fluid along a streamline. The equation is as follows: P1 + 0.5 * ρ * V1^2 + ρ * g * h1 = P2 + 0.5 * ρ * V2^2 + ρ * g * h2 Where: - P1 and P2 are the pressures at the two ends of the pipe. - ρ is the density of the fluid. - V1 and V2 are the velocities of the fluid at the two ends of the pipe. - g is the acceleration due to gravity. - h1 and h2 are the elevations of the fluid at the two ends of the pipe. By rearranging the equation and solving for V1 or V2, you can calculate the velocity of the fluid. Multiplying the velocity by the cross-sectional area of the pipe will give you the flow rate. 2. Darcy-Weisbach equation: This equation is commonly used for calculating the pressure drop or head loss in a pipe due to the frictional resistance of the fluid flow. The equation is as follows: ΔP = f * (L / D) * (ρ * V^2 / 2) Where: - ΔP is the pressure drop between the two ends of the pipe. - f is the Darcy friction factor, which depends on the Reynolds number and the roughness of the pipe. - L is the length of the pipe. - D is the diameter of the pipe. - ρ is the density of the fluid. - V is the velocity of the fluid. By rearranging the equation and solving for V, you can calculate the velocity of the fluid. Multiplying the velocity by the cross-sectional area of the pipe will give you the flow rate. It is important to note that these equations provide theoretical calculations, and actual flow rates may vary due to other factors such as pipe roughness, fittings, and bends. Therefore, it is recommended to consider these factors and conduct experiments or consult industry standards for more accurate calculations.

Q: Can stainless steel pipes be used for pharmaceutical manufacturing?: Yes, stainless steel pipes can be used for pharmaceutical manufacturing. Stainless steel has several properties that make it suitable for this industry. Firstly, stainless steel is corrosion-resistant, which is crucial for maintaining the purity of pharmaceutical products. It can resist the attack of chemicals and withstand harsh cleaning processes without deteriorating or contaminating the pharmaceuticals. Secondly, stainless steel is easy to clean and sanitize, which is essential in maintaining a high level of hygiene during pharmaceutical manufacturing. The smooth surface of stainless steel pipes prevents the accumulation of bacteria and other contaminants. Additionally, stainless steel is a durable material that can withstand high temperatures and pressures, making it suitable for various pharmaceutical processes such as sterilization and purification. Overall, stainless steel pipes are a reliable and commonly used choice for pharmaceutical manufacturing due to their corrosion resistance, easy cleanability, and durability.

Q: Are stainless steel pipes suitable for hydraulic applications?: Yes, stainless steel pipes are suitable for hydraulic applications. Stainless steel is known for its excellent corrosion resistance, which makes it an ideal choice for hydraulic systems that may come into contact with various fluids. Stainless steel pipes have high strength and durability, allowing them to withstand high pressure and temperature conditions commonly encountered in hydraulic systems. Additionally, stainless steel pipes offer excellent dimensional stability and can maintain their shape and integrity even under extreme operating conditions. Due to their resistance to corrosion, stainless steel pipes also provide a longer service life compared to other materials, reducing the need for frequent replacements and maintenance. Overall, stainless steel pipes are a reliable and efficient choice for hydraulic applications.

Q: Are stainless steel pipes suitable for mining industries?: Stainless steel pipes are extensively utilized and deemed appropriate for the mining sector. The mining industry necessitates materials that can withstand harsh and corrosive environments, and stainless steel is widely recognized for its exceptional resistance to corrosion. This quality is especially significant in mining operations as pipes are constantly exposed to various chemicals, minerals, and water, which can hasten the corrosion procedure. Moreover, stainless steel pipes possess remarkable durability and can endure extreme temperatures, rendering them suitable for the demanding conditions encountered in mining activities. Furthermore, these pipes offer elevated strength and reliability, ensuring the secure and efficient transportation of fluids, gases, and slurries throughout the mining process. Consequently, stainless steel pipes are the preferred choice in the mining sector due to their corrosion resistance, durability, and strength, establishing them as a dependable and long-lasting alternative for mining operations.