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Certification:ISO9001:2008

20 Ft. Stainless Steel Welded Pipe , TP304 Stainless Steel Round Tube Wall Thickness

TECHNICAL SPECS:

Alloys 304 (S30400) and 304L (S30403) stainless steels are variations of the 18 percent chromium – 8 percent nickel austenitic alloy, the most familiar and most frequently used alloy in the stainless steel family.

High strength, excellent corrosion resistance and minimized carbon content make Alloy 304 and 304L Stainless Steels useful for applications where welding is required. Uses include architectural mouldings and trim, welded components of chemical, textile, paper, pharmaceutical and chemical industry processing equipment.

Other advantages are its resistance to oxidation, excellent formability, ease of fabrication and cleaning, excellent strength to weight ratio and good toughness at cryogenic temperatures.

For severely corrosive environments,the lower content of Type 304L is preferred because of its greater immunity to intergranular corrosion.

Mechanical Properties

Temper	304		304L

Tensile Rm 76 ksi (min) 70 ksi (min) Tensile Rm 517 MPa (min) 485 MPa (min) R.p. 0.2% Yield 31 ksi (min) 25 ksi (min) R.p. 0.2% Yield 207 MPa (min) 170 MPa (min) Elongation (2" or 4D gl) 40 % (min) 40 % (min)
Physical Properties (Room Temperature)

Specific Heat (0-100°C)	500	J.kg-1.°K-1
Thermal Conductivity	16.2	W.m -1.°K-1
Thermal Expansion	17.2	mm/m/°C
Modulus Elasticity	19.3	GPa
Electrical Resistivity	7.23	μohm/cm
Density	8.0	g/cm3

Chemical Composition (% by weight)

	304		304L
Element	Min	Max	Min	Max

C - 0.08 - 0.08 Mn - 2 - 2 Ni 8 10.5 8 12.0 Cr 18 20 18 20 S - 0.03 - 0.03 N - 0.1 - 0.1 Si - 0.75 - 0.75 P - 0.045 - 0.045

Metric		Imperial
O/D	Wall	O/D	Wall	O/D	Wall
(mm)	(mm)	(in)	(swg)	(in)	(swg)
6	1.0	1/8	25	5/8	20
8	1.0	3/16	22	5/8	18
10	1.0	1/4	20	5/8	16
10	2.0	1/4	18	3/4	20
12	1.0	1/4	16	3/4	18
15	1.0	5/16	20	3/4	16
15	1.5	3/8	20	7/8	18
15	2.0	3/8	18	1