304L Stainless Steel Bar

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 5 Tons m.t.

Supply Capability:: 1000 Tons Per Month m.t./month

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Grades：201、202、301、302、303、304、316、316L、321 etc

Diameter (mm)	weight (kg/m)	Diameter (mm)	weight (kg/m)	Diameter (mm)	weight (kg/m)	Diameter (mm)	weight (kg/m)
2	0.025	14	1.221	30	5.607	50	15.575
3	0.056	15	1.402	32	6.38	55	18.846
4	0.1	16	1.595	34	7.202	60	22.428
5	0.156	18	2.019	35	7.632	65	26.322
6	0.224	19	2.249	36	8.074	70	30.527
7	0.305	20	2.492	38	8.996	75	35.044
8	0.399	22	3.015	40	9.968	80	39.872
9	0.505	24	3.588	42	10.99	85	45.012
10	0.623	25	3.894	45	12.616	90	50.463
11	0.754	27	4.542	46	13.183	95	56.226
12	0.897	28	4.884	48	14.354	100	62.3

Q: What are the typical mechanical properties of stainless steel bars?: Stainless steel bars are highly sought after in various applications due to their unique mechanical properties. These properties include: 1. Tensile Strength: Stainless steel bars have exceptional tensile strength, which refers to their ability to withstand stress before breaking or deforming. Depending on the specific alloy and heat treatment, stainless steel bars can have a tensile strength ranging from 500 to 2,000 megapascals (MPa). 2. Yield Strength: Stainless steel bars exhibit a yield strength ranging from 200 to 1,500 MPa, making them resistant to permanent deformation or bending under load. 3. Hardness: Stainless steel bars are known for their high hardness, which means they can resist indentation or scratching. The hardness can vary from 150 to 600 Brinell hardness (HB), depending on the alloy and heat treatment. This hardness ensures durability and the ability to withstand wear and tear in demanding environments. 4. Ductility: Stainless steel bars generally have good ductility, allowing them to be shaped or bent without breaking. The elongation at break, which measures the percentage of deformation before breaking, can range from 10% to 50% in stainless steel bars. 5. Corrosion Resistance: One of the most notable advantages of stainless steel bars is their exceptional resistance to corrosion. They contain a minimum of 10.5% chromium, which forms a protective oxide layer on the surface, preventing oxidation and corrosion. This corrosion resistance makes stainless steel bars suitable for harsh environments such as the marine or chemical industries. 6. Thermal Conductivity: Stainless steel bars possess moderate thermal conductivity, enabling efficient heat transfer. The thermal conductivity can range from 15 to 30 watts per meter-kelvin (W/m·K), depending on the specific alloy. This property makes stainless steel bars ideal for applications requiring heat dissipation. Overall, stainless steel bars are widely used in industries such as construction, automotive, aerospace, and food processing due to their combination of strength, hardness, ductility, corrosion resistance, and thermal conductivity.

Q: What is the typical hardness of stainless steel bars?: The typical hardness of stainless steel bars can vary depending on the specific grade and heat treatment, but it commonly falls within the range of 25 to 35 HRC (Rockwell hardness scale).

Q: What is the melting point of stainless steel bars?: The melting point of stainless steel bars can vary depending on the specific alloy, but generally ranges from 1400 to 1450 degrees Celsius (2552 to 2642 degrees Fahrenheit).

Q: What is the weight of stainless steel bars?: The weight of stainless steel bars can vary depending on their dimensions and specific grade of stainless steel. However, on average, stainless steel bars typically have a density of around 7.9 grams per cubic centimeter, which can be used to calculate their weight based on their volume.

Q: Can stainless steel bars be used in oil and gas pipelines?: Yes, stainless steel bars can be used in oil and gas pipelines. Stainless steel is known for its excellent corrosion resistance, making it a suitable material for handling corrosive fluids like oil and gas. Additionally, stainless steel's strength, durability, and high-temperature resistance make it a preferred choice in the oil and gas industry for its ability to withstand extreme conditions.

Q: How do stainless steel bars resist hydrofluoric acid?: Stainless steel bars resist hydrofluoric acid due to the passive layer of chromium oxide that forms on their surface. This layer acts as a protective barrier, preventing the acid from directly reacting with the steel and causing corrosion.

Q: The difference between 440C stainless steel bars and 420 stainless steel bars: 440C stainless steel bars and 420 stainless steel bars are also of high hardness, and different places are 440C wear-resistant

Q: Can stainless steel bars be used in power generation applications?: Yes, stainless steel bars can be used in power generation applications. Stainless steel is highly resistant to corrosion, making it a suitable material for use in power generation environments that involve exposure to water, steam, or chemicals. It is commonly used in power plants for applications such as turbine components, heat exchangers, boilers, and condensers. Stainless steel bars offer excellent strength, durability, and heat resistance, making them ideal for withstanding the high temperatures and pressures often found in power generation systems. Additionally, stainless steel bars can be easily fabricated and welded, allowing for customization and easy installation in various power generation equipment. Overall, the corrosion resistance, strength, and versatility of stainless steel bars make them a reliable and efficient choice for power generation applications.

Q: What are the different types of intergranular corrosion in stainless steel bars?: There are several different types of intergranular corrosion that can occur in stainless steel bars. These include sensitization, weld decay, and knife-line attack. 1. Sensitization: Sensitization occurs when stainless steel is exposed to high temperatures for an extended period of time, causing the chromium in the steel to combine with carbon and form chromium carbides along the grain boundaries. This depletes the chromium content in the grain boundaries, making them more susceptible to corrosion. Sensitization is commonly seen in austenitic stainless steels, such as grades 304 and 316. 2. Weld Decay: Weld decay, also known as heat-affected zone corrosion, is a form of intergranular corrosion that occurs in the heat-affected zone of a weld. During the welding process, the high temperatures can cause chromium carbides to form along the grain boundaries, similar to sensitization. This leads to a decrease in corrosion resistance in the heat-affected zone, making it prone to intergranular corrosion. 3. Knife-line Attack: Knife-line attack is a specific type of intergranular corrosion that occurs along the grain boundaries of stainless steel bars after exposure to certain environments, such as those containing chloride ions. This type of corrosion is often seen in welded stainless steel structures, especially those used in marine environments. It is called knife-line attack because it appears as a narrow, localized corrosion attack along the grain boundaries, resembling a knife cut. It is important to note that intergranular corrosion can be prevented or minimized through proper material selection, heat treatment, and welding techniques. Using stainless steel grades with low carbon content or stabilized with titanium or niobium can help reduce the risk of sensitization and intergranular corrosion. Additionally, post-weld heat treatment processes, such as solution annealing or stress relieving, can help restore the corrosion resistance of the heat-affected zone.

Q: What are the different tolerance levels for stainless steel bars?: The tolerance levels for stainless steel bars can vary depending on the specific application and industry standards. Some common tolerance levels for stainless steel bars include diameter tolerances, straightness tolerances, and length tolerances. These tolerances ensure that the bars meet the required dimensional and quality specifications for their intended use.

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