Stainless Steel Pipe & Tube

Stainless steel 304l gets its name because of the interaction between its alloying composition and the environment to which they are exposed to resist rusting. Many types of stainless steel have multiple uses and there is a lot of overlap. All stainless steels contain at least 10% chromium. But not all stainless steels are created equal.
Type “Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size “OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”

Stainless steel pipe 304l is the most widely used austenitic stainless steel. It is also known as “18/8” stainless steel because its composition includes 18% chromium and 8% nickel. Type 304 stainless steel has good formability and weldability as well as strong corrosion resistance and strength.
Type “Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size “OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”

304L stainless steel is an ultra-low carbon version of the 304 steel alloy. The lower carbon content in 304L minimizes unwanted or unwanted carbide precipitation from welding. Therefore, 304L can be “welded” in severely corrosive environments and does not require annealing.
Type “Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size “OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”

304L stainless pipe has slightly lower mechanical properties than standard 304 grades, but is still widely used due to its versatility. Like Type 304 stainless steel, it is commonly used in beer brewing and winemaking, but is also used outside of the food industry, such as chemical containers, mining and construction. It is ideal for metal parts such as nuts and bolts exposed to salt water.

Stainless steel types 304 or 304L are also known as 18/8 stainless steels because their chemical composition includes approximately 18% chromium and 8% nickel by weight. They are widely used in the food and beverage processing industry because of their ease of forming and welding and their strong corrosion resistance. Types 304 and 304L have very similar chemical and mechanical properties. The only difference between them is the carbon content; 304 stainless steel has a maximum carbon content range of 0.08%, while 304L has a maximum carbon content range of 0.03%.
Type “Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size “OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”

For 304L stainless steel pipe, the range of carbon content in the steel affects the corrosion resistance of the tank. During the welding of steel, a phenomenon called “chromium carbide precipitation” occurs at temperatures between 800 and 1500¡ãF (425 and 815¡ãC). Chromium combines with carbon in the heat affected zone and precipitates as chromium carbide at grain boundaries. As a result, it significantly reduces the corrosion resistance of the steel in this area. Due to the lower carbon content of 304L steel, the risk of chromium carbide precipitation is greatly reduced.
Type “Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size “OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”

304/304L stainless steel pipe is a modern version of “18-8” stainless steel, containing approximately 18% chromium and 8% nickel, and is the most commonly specified stainless steel worldwide.
Type “Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size “OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”

Each of 304l stainless steel pipe formulations have a degree of corrosion resistance that exceeds that of ordinary steel.
Type “Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size “OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”

Alloy 310 (UNS S31000) is an austenitic stainless steel developed for high temperature corrosion resistant applications. The alloy resists oxidation up to 2010oF (1100oC) under mild cycling conditions. Due to its high chromium and moderate nickel content, alloy 310 is resistant to sulfidation and can also be used in moderate carburizing atmospheres.
Type “Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size “OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”

Stainless steels 304 and 304L are also known as stainless steels 1.4301 and 1.307 respectively. 304l stainless steel pipe is the most versatile and versatile stainless steel. It is still sometimes referred to by its old name, 18/8, which is derived from the Type 304’s nominal composition of 18% chromium and 8% nickel. Type 304 stainless steel is an austenitic grade that can be heavily deep drawn. This characteristic has led to 304 being the primary grade used in applications such as sinks and pans.

304/304L stainless steel pipe is a versatile general purpose stainless steel with good resistance to atmospheric corrosion and many chemicals and food and beverages.
Type “Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size “OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”

Grade 316 is also primarily composed of iron, and again contains significant amounts of nickel and chromium¡ª10-14% and 16-18%, respectively¡ªand small amounts of carbon, manganese, molybdenum, and silicon. For this reason, grade 316 stainless steel is often preferred for use in marine environments.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.67

The main difference between 304 and 316 stainless steel is that the 316 grade has a much higher molybdenum content, typically 2-3% by weight, and provides better corrosion resistance.

Stainless 316 grades cost more due to their better corrosion resistance. This higher grade alloy is especially recommended for applications where the alloy is exposed to chlorinated solutions and chlorides, including seawater.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.69

316 steel pipe can extend the life of components or equipment exposed to harsh and corrosive conditions, especially when exposure to salt is involved. However, for most applications, class 304 will work just fine.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.70

In conclusion, when looking at 304 vs 316 stainless steel, for applications that require superior corrosion resistance or water resistance, use 316 stainless steel. For other applications, 304 stainless steel will work just as well.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.71

All in all, if you need superior corrosion resistance and your application contains water, then 316 steel is worth it. If not, 304 steel will suit your needs well.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.72

The 304, 316 and 316L stainless steel formulations are austenitic, a term used to classify the crystal structure of the steel. The structure is achieved by heat treating at very high temperatures followed by quenching ¨C a rapid cooling process that locks the structural features in place. Austenitic formulations are stronger than martensitic or ferritic steels. Ferritic steels are magnetic, have low carbon content, and have poor corrosion resistance.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.73

The lower carbon content in 316L minimizes harmful carbide precipitation from welding (carbon is drawn out of the metal and reacts with chromium when heated, impairing corrosion resistance). Therefore, 316L is used when welding is required to ensure maximum corrosion resistance.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.58

316 stainless steel has a similar chemical composition to 304, but also contains molybdenum. This addition makes it more resistant to corrosion. Like 304, the 316 formulation does not require post weld annealing. 316L stainless steel is almost the same as 316. The only difference is the carbon content. The low carbon content of 316L imparts better corrosion resistance than 316. 316L does not require post weld annealing.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.74

The increased nickel content in 316 SS helps improve its corrosion resistance compared to 304. Therefore, 316 is recommended for use in coastal areas with increased salt content, or in areas with high levels of polluting or corrosive chemicals, especially chlorides.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.59

304 and 316 steels are specified for applications where corrosion resistance and product purity are still important but lack the stringent requirements in pharmaceutical, semiconductor or aerospace manufacturing. Cosmetics and food and beverage processing are examples.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.75

While both 304 and 316 stainless steels are strong, the addition of molybdenum to 316 gives it a slight advantage over 304 in strength. With 316 stainless steel, you can expect better resistance to chloride corrosion and pitting than 304 stainless steel, as well as higher strength at elevated temperatures.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.60

The high levels of chromium and nickel in 304 and 316 stainless steels make them highly resistant to heat, wear and corrosion. Not only are they known for their corrosion resistance, but they are also known for their clean appearance and overall cleanliness.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.76

This is what makes 316 ss pipe an ideal grade for applications such as pumps, valves, textile and chemical equipment, pulp and paper, and marine applications.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.61

316 contains many similar chemical and mechanical properties to 304 stainless steel. To the naked eye, the two metals look the same. However, the chemical composition of 316, consisting of 16% chromium, 10% nickel and 2% molybdenum, is the main difference between 304 and 316 stainless steel.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.77

316L stainless steel is an ultra-low carbon version of 316 stainless steel that helps avoid carbide precipitation from welding. Grade 316 stainless steel has a lower chromium content¡ªtypically around 16%¡ªbut increases the nickel content and adds molybdenum to the mix.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.62

These added resistances also help take the guesswork out of cleaning, allowing you to use stronger cleaners and cleaners to clean stainless steel more frequently without worrying about damaging or changing the appearance of your stainless steel.
This makes the 316 an ideal upgrade for environments with stringent hygiene and cleanliness standards.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.63

316 stainless steel is another popular stainless steel for applications requiring hardness, durability, and corrosion resistance, but it tends to have more specialized and limited uses than 304 stainless steel. The most notable property of 316 stainless steel is its extreme resistance to corrosion, especially from chloride sources such as seawater and many industrial chemicals.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.64

The anti-corrosion properties that make 316 steel unique come from the molybdenum in its composition. These properties make 316 the first choice for some specific applications where extreme corrosion resistance is required. Such applications include heavy duty marine projects and industrial applications where steel is often in contact with harsh corrosive substances.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.65