304 Stainless Steel Pipe

304 Stainless Steel Pipe has good corrosion resistance and good resistance to intergranular corrosion, and also has good resistance to alkaline solutions and most organic and inorganic acids. ASTM A312 TP304 pipe can withstand high temperatures up to 1700°F (927°C) and is not easy to deform and crack. We are a stainless steel pipe supplier with 15+ export experience, contact us for more information and free quotes!

 

ASTM A312 TP304 Stainless Steel Pipe Specifications

Specifications	ASTM A 312/ASME SA 312
Dimensions	ASTM, ASME and API
SS 304 Pipes	1/2″ NB – 16″ NB
ERW 304 Pipes	1/2″ NB – 24″ NB
EFW 304 Pipes	6″ NB – 100″ NB
Size	1/8″NB TO 30″NB IN
Schedule	SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH60, SCH80, XS, SCH120, SCH140, SCH160, XXS
Type	Seamless / ERW / Welded / Fabricated / LSAW Pipes
Form	Round Pipes, Custom Pipes, Square Pipes, Rectangular Pipe, "U" Shape, Hydraulic Pipes
Length	Single Random, Double Random & Cut Length.
End	Plain End, Beveled End, Treaded

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Stainless Steel 304 Pipes Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	AFNOR	EN
SS 304	1.4301	S30400	SUS 304	304S31	Z7CN18-09	X5CrNi18-10

 

DIN1.4301 Stainless Steel Pipes Mechanical & Physical Properties

Element	SS 304
Density	8.0 g/cm3
Melting Point	1400 °C (2550 °F)
Tensile Strength	PSI– 75000 , MPA – 515
Yield Strength (0.2%Offset)	PSI – 30000 , MPA– 205
Elongation	35%
Rockwell B (HR B) max	201

 

SS 304 Pipe Applications: 

• Oil
• Natural gas
• Ships
• Household goods
• Building materials
• Chemicals
• Food industry

 

SS 304 Seamless Pipe VS Welded Pipe

• Seamless pipe is made of perforated steel ingot or solid pipe billet, hot rolled, cold drawn or cold rolled, without welds. Stronger pressure bearing capacity, higher toughness and strength.
• 304 stainless steel welded pipe is produced by welding process, which needs to go through steel strip curling, welding, annealing and other processes. There are welds on the surface, which can produce large-diameter pipes at a lower cost.

 

Dimension Chart of S30400 Stainless Steel Pipe (ASME B36.19)

DN	NPS	OD(mm) outside diameter	Sch5S	Sch10S	Sch40S	Sch80S	Sch160S
6	1/8	10.3	-	1.24	1.73	2.41	3.15
8	1/4	13.7	-	1.65	2.24	3.02	3.68
10	3/8	17.1	-	1.65	2.31	3.2	4.01
15	1/2	21.3	1.65	2.11	2.77	3.73	4.78
20	3/4	26.7	1.65	2.11	2.87	3.91	5.56
25	1	33.4	1.65	2.77	3.38	4.55	6.35
32	1 1/4	42.2	1.65	2.77	3.56	4.85	6.35
40	1 1/2	48.3	1.65	2.77	3.68	5.08	7.14
50	2	60.3	1.65	2.77	3.91	5.54	8.74
65	2 1/2	73	2.11	3.05	5.16	7.01	9.52
80	3	88.9	2.11	3.05	5.49	7.62	11.13
90	3 1/2	101.6	2.11	3.05	5.74	8.08	-
100	4	114.3	2.11	3.05	6.02	8.56	13.49
125	5	141.3	2.77	3.40	6.55	9.53	15.88
150	6	168.3	2.77	3.40	7.11	10.97	18.26
200	8	219.1	2.77	3.76	8.18	12.7	-
250	10	273.1	3.40	4.19	9.27	12.7	-
300	12	323.9	3.96	4.57	9.53	12.7	-
350	14	355.6	3.96	4.78	9.53	12.7	-
400	16	406.4	4.19	4.78	9.53	12.7	-
450	18	457	4.19	4.78	9.53	12.7	-
500	20	508	4.78	5.54	9.53	12.7	-
550	22	559	4.78	5.54	-	-	-
600	24	610	5.54	6.35	9.53	12.7	-
650	26	660	-	-	-	-	-
700	28	711	-	-	-	-	-
750	30	762	6.35	7.92	-	-	-

 

 

 

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