Which is better ss304 vs SS 202?

Which is better ss304 vs SS 202?

In comparison to grade 202, the alloy of stainless steel 304 contains nickel between 8% to about 10.5%, which is almost two times more than the former. This is why the expense of manufacturing austenitic stainless steel alloy 304 is higher than the grade 202.

How much does stainless pipe cost?

Stainless Steel Pipe 304 – Welded – Schedule 40

Nominal Size Unit price per length
3/4″, SS 304 Pipe 20 3,135
1″, SS 304 Pipe 25 4,137
1-1/4″, SS 304 Pipe 32 5,606
1-1/2″, SS 304 Pipe 40 6,256

What is 202 grade stainless steel?

Grade 202 stainless steel is a type of Cr-Ni-Mn stainless with similar properties to A240/SUS 302 stainless steel. The toughness of grade 202 at low temperatures is excellent.

Is stainless steel pipe expensive?

Since stainless steel is more expensive to produce, smaller sizes of pipe are only slightly more expensive than galvanized pipe, but the difference becomes substantial for large pieces. A 1-foot section of 1-inch galvanized pipe costs about $7 in 2011 whereas a corresponding stainless steel pipe cost $8.50.

What is the difference between SS 202 and 304?

The major differences between 202 and 304 stainless steels are in the nickel and chromium contents. 202 has 16-18% chromium and 0.5-4.0% nickel, whilst 304 has 18-20% chromium and 8-10.5% nickel. Both are austenitic steels and are essentially non-magnetic, but will become temporarily magnetic by working them.

Will 304 SS rust?

Both steels are durable and provide excellent resistance to corrosion and rust. 304 stainless steel is the most versatile and widely used austenitic stainless steel in the world, due to its corrosion resistance.

How thick is a Schedule 40 pipe?

A 4 inches (100 mm) Schedule 40 pipe has an outside diameter of 4.500 inches (114.30 mm), a wall thickness of 0.237 inches (6.02 mm), giving a bore of 4.026 inches (102.26 mm)

What is seamless steel pipe?

Seamless steel pipe (SMLS) is formed by drawing a solid billet over a piercing rod to create the hollow shell, without welding or seam. Seamless steel pipe can be cut, threaded or grooved. And the coating method includes black / red lacquer, varnish painting, hot dip galvanization, etc.

What’s the best grade of stainless steel?

304 stainless steel is the most common form of stainless steel used around the world due to excellent corrosion resistance and value. 304 can withstand corrosion from most oxidizing acids. That durability makes 304 easy to sanitize, and therefore ideal for kitchen and food applications.

What type of pipe is strongest?

In general, stainless steel piping is the strongest of the two.

Which type of pipe is not affected by rust?

Copper, Bronze and Brass These three metals contain little or no iron, and so do not rust, but they can react with oxygen.

What is the hardness of SS 202?


Type Yield Strength 0.2% offset (KSI) Hardness Rockwell
201 Ann 38 min. HRB 95 max.
201 ¼ Hard 75 min. 25 – 32 HRC (typical)
201 ½ Hard 110 min. 32 – 37 HRC (typical)
201 ¾ Hard 135 min. 37 – 41 HRC (typical)