• SS 904L Seamless Stainless Steel Pipe in Wuxi ,China System 1
  • SS 904L Seamless Stainless Steel Pipe in Wuxi ,China System 2
SS 904L Seamless Stainless Steel Pipe in Wuxi ,China

SS 904L Seamless Stainless Steel Pipe in Wuxi ,China

Ref Price:
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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
5 m.t.
Supply Capability:
25000 m.t./month

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Specification

Standard:
AISI
Technique:
Saw
Shape:
Square
Surface Treatment:
Oiled
Steel Grade:
RHB335,300 Series
Certification:
SGS
Thickness:
1
Length:
10000
Outer Diameter:
21
Net Weight:
12

316 stainless steel pipe 

 

Product Description

 

 

Name

Stainless Steel Seamless & Welded Tube &Pipe

Items

Square tubes, round tubes, oval pipes, special shaped pipes,

empaistic pipes, fittings

Standard

ASTM A554, A249, A269 and A270

Material Grade

201: Ni 0.8%~1%

202: Ni 3.5%~4.5%

304: Ni 8%, Cr 18%

316: Ni 10%, Cr 18%

316L: Ni10%~14%

430: Cr16%~18%

Outer Diameter

9.53mm--159mm

Thickness

0.3mm - 3.0mm

Length

6m or as customers' request

 

Tolerance

a) Outer Diameter:  +/- 0.2mm

b) Thickness: +/- 0.02mm

c) Length: +/- 5mm

Surface

180G, 240G, 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

  Material

 

Composition

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< span="">

 Our  Work shop

High Pressure SS 904L Seamless Stainless Steel Pipe

 

Our products: 

High Pressure SS 904L Seamless Stainless Steel Pipe

High Pressure SS 904L Seamless Stainless Steel Pipe

High Pressure SS 904L Seamless Stainless Steel PipeHigh Pressure SS 904L Seamless Stainless Steel PipeHigh Pressure SS 904L Seamless Stainless Steel Pipe

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 corroderust 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.

 

 

 

Q: What is stainless steel pipe?
Stainless steel pipe is a type of pipe made from an alloy of steel and chromium, which provides excellent resistance to corrosion and oxidation. It is commonly used in various industries, including construction, automotive, and manufacturing, due to its durability, strength, and aesthetic appeal. Stainless steel pipes are known for their ability to withstand high temperatures and pressure, making them suitable for applications that involve transporting fluids and gases. Additionally, they are available in various sizes, shapes, and grades to meet specific requirements. Whether in residential or industrial settings, stainless steel pipes are widely used for plumbing, water supply systems, HVAC systems, and many other applications where durability and corrosion resistance are essential.
Q: Can stainless steel pipes be insulated with Teflon?
Indeed, Teflon can be utilized to insulate stainless steel pipes. Teflon, or polytetrafluoroethylene (PTFE) as it is also referred to, is a highly adaptable substance that is frequently employed due to its nonstick properties and its ability to withstand high temperatures and chemicals. It is an exceptional option for insulating stainless steel pipes since it provides thermal insulation, guards against corrosion, and prevents heat loss or gain. Furthermore, Teflon insulation minimizes condensation or moisture accumulation on the pipe's surface. Moreover, Teflon's low friction coefficient enables smooth fluid flow through the pipes, rendering it appropriate for a wide range of applications in industries like food processing, pharmaceuticals, and chemicals.
Q: Can stainless steel pipes be bent or shaped easily?
Stainless steel pipes can be bent or shaped, but the ease of bending or shaping depends on various factors such as the thickness, diameter, and grade of the stainless steel. Generally, stainless steel pipes have a higher resistance to bending compared to other materials like copper or aluminum. However, with the use of specialized tools and techniques such as pipe benders or hydraulic presses, stainless steel pipes can be bent or shaped to desired angles or curves. It is important to note that excessive bending or shaping may cause the stainless steel pipe to weaken or distort, so it is crucial to follow proper procedures and guidelines to ensure the structural integrity of the pipe is maintained.
Q: Why pickling before cleaning stainless steel pipe oil?
On the premise of oxide, a good foundation for the formation of passive film is made, which makes the passivation film more compact and improves the passivation effect!
Q: Can stainless steel pipes be used for pharmaceutical manufacturing?
Yes, stainless steel pipes can be used for pharmaceutical manufacturing. Stainless steel is a commonly used material in the pharmaceutical industry due to its excellent corrosion resistance, high strength, and ease of sterilization. It is suitable for transporting various pharmaceutical fluids and gases while ensuring cleanliness, safety, and compliance with industry regulations.
Q: Are stainless steel pipes suitable for swimming pool installations?
Yes, stainless steel pipes are suitable for swimming pool installations. Stainless steel is highly resistant to corrosion and can withstand the harsh chemicals and conditions typically found in swimming pool environments. It is also durable and requires minimal maintenance, making it an excellent choice for long-lasting and reliable pool plumbing systems.
Q: What is the difference between 2205 and 316L stainless steel pipes?
The main difference between 2205 and 316L stainless steel pipes lies in their chemical composition and their intended applications. 2205 stainless steel is a duplex stainless steel, meaning it is composed of two phases - austenite and ferrite. This composition gives it excellent corrosion resistance, especially in environments with high chloride content. 2205 stainless steel pipes are commonly used in industries such as oil and gas, chemical processing, and marine applications, where resistance to corrosion and high strength are crucial. On the other hand, 316L stainless steel is an austenitic stainless steel with a lower carbon content compared to other grades in the 300 series. It offers good corrosion resistance, especially to acids and chloride solutions, making it suitable for various applications, including food processing, pharmaceuticals, and medical equipment manufacturing. In terms of mechanical properties, 2205 stainless steel pipes generally have higher tensile strength and yield strength compared to 316L stainless steel pipes. This makes 2205 pipes more suitable for applications requiring greater strength and load-bearing capabilities. It is important to note that both grades of stainless steel pipes have their own advantages and limitations. The choice between 2205 and 316L stainless steel pipes depends on the specific application, environmental conditions, and budgetary considerations. Consulting with a materials engineer or a stainless steel expert can help determine the most suitable grade for a particular project.
Q: Are stainless steel pipes resistant to UV radiation?
Yes, stainless steel pipes are generally resistant to UV radiation. The high chromium content in stainless steel helps protect it from the damaging effects of UV radiation, making it a suitable choice for outdoor applications.
Q: Can stainless steel pipes be pressure tested?
Yes, stainless steel pipes can be pressure tested. Pressure testing involves subjecting the pipes to a higher pressure than they would normally experience during normal operations to ensure their strength and integrity. Stainless steel is known for its durability and ability to withstand high-pressure conditions, making it suitable for pressure testing applications. The process involves filling the pipes with a liquid or gas and increasing the pressure to the desired level while monitoring for any leaks or failures. It is important to follow proper procedures and safety measures during pressure testing to ensure accurate results and prevent any potential hazards.
Q: What is the difference between 304J1 and 316J1 stainless steel pipes?
The main difference between 304J1 and 316J1 stainless steel pipes lies in their chemical composition and the presence of certain elements. 304J1 stainless steel is a variant of the popular 304 stainless steel grade. It has a lower carbon content compared to regular 304, which makes it more resistant to intergranular corrosion. This is achieved by adding a small amount of titanium to the composition. 304J1 stainless steel pipes are suitable for general-purpose applications, such as plumbing, food processing, and architectural uses. On the other hand, 316J1 stainless steel is a variant of the 316 stainless steel grade. It is similar to regular 316 stainless steel in terms of corrosion resistance but has a lower carbon content, similar to 304J1. Additionally, 316J1 contains a small amount of molybdenum, which enhances its resistance to pitting and crevice corrosion in chloride environments. As a result, 316J1 stainless steel pipes are commonly used in marine environments, chemical processing plants, and other applications where exposure to corrosive substances is expected. In summary, the primary difference between 304J1 and 316J1 stainless steel pipes is in their chemical composition, with the latter offering superior resistance to corrosion in more aggressive environments. The choice between the two would depend on the specific application and the level of corrosion resistance required.

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