Standard Specification Of ASTM A240 Type 304 Tube

ASTM A240 304  Stainless steel coil tubing suppliers

Specifications	ASTM A240 / ASME SA240
Thickness	0.5mm-100mm
Outer diameter	10mm, 25.4mm, 38.1mm, 50.8mm, 100mm, 250mm, 300mm, 350mm, etc
Length	2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Surface	2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc
Finish	Hot rolled  (HR), Cold rolled Tube (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form	Round tube Square tube Rectangular tube etc.

304 Ruond Tube Composition and Mechanical Characteristics

Grade		C	Mn	Si	P	S	Cr	Mo	Ni	N
304	Min. Max.	/ 0.08	/ 2.0	/ 0.75	/ 0.045	/ 0.030	18.00 20.00	/	8.00 10.50	/ 0.10
304L	Min. Max.	/ 0.03	/ 2.0	/ 1.0	/ 0.045	/ 0.030	18.00 20.00	/	9.00 11.00	/
304H	Min. Max.	0.04 0.10	/ 2.0	/ 0.75	0.045 /	/ 0.030	18.00 20.00	/	8.00 10.50	/

Grade	Tensile Strength (MPa)	Yield Strength 0.2% Proof (MPa)	Elongation (% in 50mm)	Hardness
				Rockwell B (HR B)	Brinell (HB)
304	515	205	40	92	201
304L	515	205	40	90	187
304H	515	205	40	92	201

Dimensions Standard,weight chart and size schedules of 304 stainless steel Tube

SS 304 Tube Size（mm)		SS304 Tube Weight per Unit Area（kg/m）
6*1		0.125
6*1.5		0.168
8*1		0.174
8*1.5		0.243
10*1		0.224
10*1.5		0.318
12*1		0.274
12*1.5		0.392
12*2		0.498
14*1		0.324
14*2		0.598
14*3		0.822
16*2		0.697
16*3		0.971
17*3		1.046
18*1		0.423
18*1.5		0.617
18*2		0.797
18*3		1.121
20*1		0.473
20*2		0.897
20*3		1.27
21*3		1.345
22*2		0.996
22*2.5		1.214