316 Stainless Steel Pipe

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 100000 m.t./month

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Specification

Standard:

AISI,ASTM,JIS,GB,BS,DIN,API,EN

Technique:

Spring,Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW

Shape:

LTZ,Oval,Rectangular,Round,Hexagonal,C Channel,Square,U Channel

Surface Treatment:

PVDF Coated,Black,Bright,Polished,Chromed Passivation,Dry,Oiled,Color Coated,Copper Coated,Coated,Galvanized

Steel Grade:

RHB335,Q215B,Q235,Q215,Q195,A53(A,B),20#,10#,SS400-SS490,600 Series,400 Series,300 Series,200 Series,HRB400,Q235B

Certification:

CE,SGS,ISO

Thickness:

as required

Length:

12m

Net Weight:

as required

SPECIFICATION

Stainless Steel Pipe:

1. 201, 202, 301, 304, 316L, 430, etc

2. OD: 6mm-159mm

3. Thickness: 0.25mm-3.5mm

4. Finish: Mirror, Satin, Hairline

316 STAINLESS STEEL PIPE:

Name	316 Stainless steel pipe
Standard	ASTM A554,ASTM A312
Material Grade	201,202,304,316,316L,430
Main Material	a) 201 (Ni0.8%-1%) b) 202 (Ni: 3.0%-4.0%) c) 304 (Ni: 8% Cr: 18%) d) 316 (Ni: 10% Cr: 18%)
Size Range	139mm-1600mm ETC.
Thickness	0.5-30mm
Length	6m or as customers' request
Tolerance	a) Outer Diameter: +/- 0.2mm
	b) Thickness: +/- 0.02mm
	c) Length: +/- 5mm
Surface	180G, 320G Satin/Hairline 400G, 600G Mirror finish
Application	handrail,railing, staircase, weldmesh screen,door,window, balcony,fence,bench,furniture,etc
Test	Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT
Chemical Composition of Material		201	202	304	316L	430
	C	≤0.15	≤0.15	≤0.08	≤0.035	≤0.12
	Si	≤1.00	≤1.00	≤1.00	≤1.00	≤1.00
	Mn	5.5-7.5	7.5-10	≤2.00	≤2.00	≤1.00
	P	≤0.06	≤0.06	≤0.045	≤0.045	≤0.040
	S	≤0.03	≤0.03	≤0.030	≤0.030	≤0.030
	Cr	13-15	14-17	18-20	16-18	16-18
	Ni	0.7-1.1	3.5-4.5	8-10.5	10-14
	Mo				2.0-3.0
Mechanical Property	Material Item		201	202	304	316
	Tensile Strength		≥535	≥520	≥520	≥520
	Yield Strength		≥245	≥205	≥205	≥205
	Extension		≥30%	≥30%	≥35%	≥35%
	Hardness (HV)		<105< span="">	<100< span="">	<90< span="">	<90

316 Stainless Steel Pipe

Q:Can stainless steel pipes be used for nuclear applications?: Yes, stainless steel pipes can be used for nuclear applications. Stainless steel is known for its corrosion resistance and high strength, making it suitable for nuclear power plants where it is crucial to prevent leaks and ensure long-term durability. Additionally, stainless steel is resistant to radiation damage, making it a reliable choice for transporting radioactive materials in a nuclear facility.

Q:What is the difference between seamless and double submerged arc welded stainless steel pipes?: Seamless stainless steel pipes are produced by rolling a solid cylindrical billet of stainless steel after it has been pierced, ensuring a smooth surface without any welds or seams. This manufacturing process gives the pipes higher strength and corrosion resistance due to the absence of potential weak points created by welding. On the other hand, double submerged arc welded stainless steel pipes are made by aligning and welding two separate steel plates using a submerged arc welding process. This welding method uses a flux to protect the weld area from atmospheric contamination. The plates are then joined together to form a pipe by passing them through rollers. These pipes have a visible weld seam along their length. Seamless stainless steel pipes are preferred in applications where high pressure, high temperature, or corrosive environments are present. They eliminate the risk of leakage and enhance the overall structural integrity of the pipe. In contrast, double submerged arc welded stainless steel pipes are often chosen for their cost-effectiveness. They are less expensive to produce compared to seamless pipes and are commonly used in industries such as oil and gas, petrochemical, and water distribution. In conclusion, the main difference between seamless and double submerged arc welded stainless steel pipes lies in their manufacturing process and resulting characteristics. Seamless pipes have a smooth and continuous surface without any welds or seams, while double submerged arc welded pipes have a visible weld seam. The choice between these types of pipes depends on factors such as cost, application requirements, and the desired level of strength and corrosion resistance.

Q:Stainless steel pipe is mainly used in what areas?: According to the use of stainless steel pipe can be divided into oil well pipe (casing, tubing and drill pipe etc.), line pipe, boiler tube, mechanical structure, hydraulic prop pipe pipe, cylinder pipe, geological pipe, chemical pipe (high pressure fertilizer pipe, oil cracking tube) and shipbuilding pipe etc..

Q:How do you calculate the pressure rating of stainless steel pipes?: The pressure rating of stainless steel pipes is calculated by considering factors such as the material's tensile strength, wall thickness, and temperature. These parameters are used in various formulas and standards, such as the ASME B31.3 code, to determine the maximum allowable working pressure (MAWP) for a given pipe size and application. It is crucial to consult relevant industry guidelines and standards to ensure accurate calculations and safe operation of stainless steel pipes.

Q:How do you calculate the bending radius of stainless steel pipes?: The bending radius of stainless steel pipes can be calculated using a formula that takes into account the outside diameter (OD) of the pipe, the wall thickness (WT), and the material's elongation factor. The formula is: Bending radius = (OD - WT) x Elongation factor.

Q:What is the difference between Schedule 5 and Schedule 10 stainless steel pipes?: Schedule 5 and Schedule 10 stainless steel pipes find frequent use across various industries and applications, though they possess distinct dissimilarities. The primary disparity resides within their wall thickness. While Schedule 5 stainless steel pipes boast a slimmer wall thickness, Schedule 10 stainless steel pipes possess a thicker wall. Consequently, Schedule 5 pipes exhibit a greater internal diameter, facilitating a more substantial flow of fluids or gases through the conduit. On the contrary, Schedule 10 stainless steel pipes exhibit a reduced internal diameter due to their thicker walls. This renders them more suitable for applications necessitating higher pressure or strength, as the heightened wall thickness grants augmented durability and resistance against external forces. Moreover, the disparate wall thicknesses of Schedule 5 and Schedule 10 pipes influence their weight and cost. Owing to their thinner walls, Schedule 5 pipes weigh less and command a lower price than Schedule 10 pipes. Concerning availability, Schedule 10 stainless steel pipes witness more frequent usage in industrial processes involving high pressure or corrosive environments, such as chemical plants or oil refineries. Conversely, Schedule 5 stainless steel pipes are often employed in applications where the flow of fluids or gases does not encounter extreme pressure, such as plumbing or low-pressure conveying systems. In summary, the principal distinctions between Schedule 5 and Schedule 10 stainless steel pipes lie within their wall thickness, internal diameter, strength, weight, and cost. The choice between the two hinges upon the specific requirements of the application and the level of pressure or durability required.

Q:What are the temperature limitations of stainless steel pipes?: The temperature limitations of stainless steel pipes typically depend on the grade of stainless steel being used. Generally, stainless steel pipes can withstand high temperatures, with some grades capable of operating at temperatures up to 1500°F (815°C). However, prolonged exposure to extremely high temperatures can cause stainless steel to lose its strength and corrosion resistance. It is important to consult the specific grade and manufacturer's recommendations to determine the temperature limitations for a particular stainless steel pipe.

Q:What are the weight limitations for stainless steel pipes?: The weight restrictions of stainless steel pipes differ based on multiple factors, including the stainless steel grade, pipe dimensions, and intended usage. Nevertheless, stainless steel pipes are renowned for their robustness and endurance, enabling them to endure substantial loads. Generally, stainless steel pipes possess the capacity to bear significant weight without distorting or collapsing. To obtain precise weight limitations tailored to the specific type and size of stainless steel pipe employed, it is crucial to refer to the manufacturer's specifications or engineering standards, as they offer the most accurate information.

Q:Can stainless steel pipes be insulated with neoprene?: Yes, stainless steel pipes can be insulated with neoprene. Neoprene is a commonly used material for pipe insulation due to its excellent thermal properties and resistance to moisture. It provides effective insulation and protects against heat loss or condensation on stainless steel pipes.

Q:How do you prevent freezing in stainless steel pipes?: One way to prevent freezing in stainless steel pipes is by insulating them with high-quality pipe insulation. This insulation helps maintain the temperature of the pipes and prevents heat loss, thus reducing the risk of freezing. Additionally, ensuring proper ventilation in areas where the pipes are located can also help prevent freezing by allowing warm air to circulate around the pipes.

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