Stainless steel

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.

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

There are many different types of 16 stainless steel. Some common types are the L, F, N, and H variants. Each is slightly different and each serves a different purpose. “L” means 316L steel has less carbon than 316.
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 B36.50

While similar to the Type 304 commonly found in the food industry, both Types 316 and 316L exhibit better corrosion resistance and are stronger at elevated temperatures. Neither can be hardened by heat treatment, and can be easily shaped and stretched (pulled or pushed through a die or smaller hole).
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 B36.51

There is more carbon in 316 stainless steel than 316L. This is easy to remember because the L stands for “low”. But even with the lower carbon content, 316L is very similar to 316 in almost every way. Costs are very similar, and both are durable, corrosion-resistant, and a good choice for high-stress situations.
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 B36.52

316L is a better choice as 316 is more susceptible to weld corrosion than 316L (corrosion within the weld). However, 316 can be annealed to resist weld decay. 316L is also a premium stainless steel for high temperature, high corrosion applications, which is why it is so popular in architectural and marine projects.
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 B36.53

Grade 304 is an austenitic steel with excellent welding and forming properties. These stainless steels are widely used in the petrochemical and food industries for their corrosion resistance, tensile strength and ability to withstand higher temperatures. Depending on the specific grade, there is a compromise between corrosion resistance and temperature characteristics.
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 B36.38

Neither the 316 nor the 316L are the cheapest options. The 304 and 304L are similar but less expensive. Neither are as durable as 317 and 317L, they have higher molybdenum content and better overall 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 B36.54

The key elements in 304 are chromium and nickel, which give it excellent corrosion resistance. It has good corrosion resistance, is ductile and ductile, and has good weldability. The austenitic structure allows deep drawing without intermediate 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 B36.39

Section 316 is an austenitic chromium-nickel stainless steel containing 2% to 3% molybdenum. The molybdenum content increases corrosion resistance, improves pitting resistance in chloride ion solutions, and increases high temperature 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.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.55

It is also not necessary to anneal thin sections after welding. It is widely used in food industry, water, construction, low temperature and high temperature applications. Widely used in premium cutlery, it is described as 18/8, referring to the percentage of chromium and nickel.
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 B36.40

Type 316 stainless steel is particularly effective in sour environments. This grade of steel is effective against corrosion caused by sulfuric, hydrochloric, acetic, formic and tartaric acids, as well as acidic sulfates and basic chlorides.

The key elements in 304 are chromium and nickel, which give it excellent corrosion resistance. It has good corrosion resistance, is ductile and ductile, and has good weldability. The austenitic structure allows deep drawing without intermediate 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 B36.41

Common uses for Type 316 stainless steel include the construction of exhaust manifolds, furnace components, heat exchangers, jet engine components, pharmaceutical and photographic equipment, valve and pump components, chemical processing equipment, tanks and evaporators. It is also used in pulp, paper and textile processing equipment and any components exposed to the marine environment.
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 B36.57

It is also not necessary to anneal thin sections after welding. It is widely used in food industry, water, construction, low temperature and high temperature applications. Widely used in premium cutlery, it is described as 18/8, referring to the percentage of chromium and nickel.
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 B36.42

If your outdoor appliance enclosure is rusted, not only is there a danger of exposing all critical electrical components inside, but it can be expensive to replace in the event of a short. We’re talking about parts damage and replacement, repair costs, including labor and downtime. I’ve seen some real horror shows when the shell is rusted. We have found that using 316 stainless steel instead of 304 stainless steel on outdoor enclosures that will be exposed to various elements, such as oil rigs, not only increases the life of the enclosure, it is also safer.
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 B36.43

Type 316 stainless steel is an austenitic chromium-nickel stainless steel and heat-resistant steel that has excellent corrosion resistance compared to other chromium-nickel steels when exposed to a variety of chemical corrosives such as seawater, brine solutions, etc.
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 B36.44

Since Type 316 stainless steel alloy contains molybdenum bearings, it has higher chemical resistance than Type 304. Model 316 is durable, easy to manufacture, clean, weld and polish.
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 B36.45

It is much more resistant to sulfuric acid, chloride, bromide, iodide and fatty acid solutions at high temperatures. The manufacture of certain pharmaceuticals requires the use of molybdenum-containing stainless steel to avoid excessive metal contamination.
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 B36.46