304 Stainless Steel Welded Dull Unpolished Square Pipes & Square Tube

The 304 stainless steel Square Tube welded dull unpolished has all the normal attributes associated with the 304 Grade. The Square Tube has a  unpolished finish. The Square Tubes are highly resistant to types of corrosion both chemical and environmental which makes it well suited for food service and laboratory environments. The Square Pipe is also easily maintained, thanks to the finish.

304 Stainless Steel Grade Square Pipe Welded Dull Unpolished

This Square Pipe belongs to the 300 series of Square Pipes, specifically grade 304, 304L and 304H. This type of Square Pipe has been used widely throughout the world, a lot of them have high corrosion, heat and chemical resistance.

304 Stainless Steel Welded Dull Unpolished Square Pipe Specifications

Grade	304, 304L 304H
Standard	ASTM A240, JIS G4304, T8165 etc.
Thickness	0.2 – 10mm
Width	As customer’s request
Length	As customers’ request
Surface	NO1, NO 4, 2B, BA, 6K, 8K

 

304 Stainless Steel Seamless Welded Dull Unpolished Square Pipe Sizes Supplied

Dimensions (mm)	Wall (mm)	Weight per metre (kg)	Dimensions (mm)	Wall (mm)	Weight per metre (kg)
12.7 x 12.7	1.20	0.44	120 x 120	5.00	18.66
12.7 x 12.7	1.50	0.55	120 x 120	6.00	21.20
40 x 40	4.00	4.80	150 x 150	4.00	18.60
50 x 50	4.00	5.96	150 x 150	5.00	23.00
50 x 50	5.00	7.41	150 x 150	6.00	31.20
60 x 60	4.00	7.22	150 x 150	8.00	34.30
60 x 60	5.00	8.90	150 x 150	10.00	41.65
80 x 80	4.00	9.82	200 x 200	5.00	30.80
80 x 80	5.00	12.39	200 x 200	6.00	36.90
100 x 100	4.00	12.40	200 x 200	8.00	47.25
100 x 100	5.00	15.38	200 x 200	10.00	57.60
100 x 100	6.00	17.50	250 x 250	8.00	59.90
100 x 100	8.00	21.60	250 x 250	10.00	73.50

 

304 Stainless Steel Welded Dull Unpolished Square Pipe Specifications PDF

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Chemical composition

 

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
304	min. max.	– 0.08	– 2.0	– 0.75	– 0.045	– 0.030	18.0 20.0	–	8.0 10.5	– 0.10
304L	min. max.	– 0.030	– 2.0	– 0.75	– 0.045	– 0.030	18.0 20.0	–	8.0 12.0	– 0.10
304H	min. max.	0.04 0.10	– 2.0	– 0.75	-0.045	– 0.030	18.0 20.0	–	8.0 10.5	–

 

Mechanical Properties

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
				Rockwell B (HR B) max	Brinell (HB) max
304	515	205	40	92	201
304L	485	170	40	92	201
304H	515	205	40	92	201
304H also has a requirement for a grain size of ASTM No 7 or coarser.

 

Application of Welded Dull Unpolished 304 Square Tubes

This is a type of Square Pipe that has a wide range of areas of application, especially in areas where attractiveness as well as functionality is being considered. It can be used in the following sectors:

• Boat rails and ladders. More than just functionality on the boat, the attractiveness of the polish makes it pleasing to the eye.
• Sanitary environments. They are used in making of washroom grab bars and swimming pool rails.
• Medical equipment
• Restaurant equipment. This may include linings of ovens, refrigerators, and many other applications especially in the kitchens of restaurants.
• Exercise equipment. Many of the equipment used for exercises in the gym are made of this grade of steel bars.
• Motor sports
  in the motor sports industry, they can be used as automotive step bars and grille guards.

 

SS 304 Welded Dull Unpolished Square Pipe Schedule Chart

 

304 Welded Dull Unpolished stainless steel Square Pipe weight per foot

Call us for Square Pipe weights per foot, price per pound and large diameter stainless steel Square Pipes.

 

304 Welded Dull Unpolished Stainless Steel Square Pipe Price List

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