Stainless steel 321 pipe

ISO Certified Manufacturer

Leading SS 321 seamless pipe

20+

Years of Experience

50+

Grades in Stock

1/8"–2–4"

Size Range

100%

Quality Tested

Stainless steel 321 pipe specification

SPECIFICATION	DETAILS
OD	5.8 to 508 mm
sizes	½ inch to 36 inch
Wall thickness	0.3 to 50 mm
Manufacturing Process	Hot Rolled, Cold Rolled, Precision Rolled
Pipe end	Plain, Beveled
Finish	Bright, Annealing, Polished

Stainless steel 321 pipe

SS 321 seamless pipe

Stainless steel 321 ERW pipe

AISI 321 round pipes

321 SS welded pipe

SA213 TP321 schedule 40 pipes

SS 321 pipe price

Description	Price in USD	Price in Kilogram (INR)
321 Stainless Steel Pipes, Size: 2 Inch	$ 2.57	₹ 220
321 SS Square Pipe, 12 meter, Size: 4 inch	$ 4.09	₹ 350
321 Stainless Steel Seamless Pipe, Size: 1 inch	$ 5.30	₹ 454

321 SS pipe weight chart

NPS (DN)	Outside Diameter IN (Milimeter)	SCH	WEIGHT LB/FT (KG/M)	WT IN (Milimeter)	ID
36	36.00	.0.0.0	131.012	0.0344	.0.0.0
38	38.00	.0.0.0	138.047	0.0344	.0.0.0
34	34.00	10	112.036	0.0312	.0.0.0
32	32.00	.0.0.0	137.012	0.0406	.0.0.0
36	36.00	10	119.003	0.0312	.0.0.0
38	38.00	.0.0.0	163.016	0.0406	.0.0.0
32	32.00	.0.0.0	84.085	0.025	.0.0.0
34	34.00	.0.0.0	90.02	0.025	.0.0.0
38	38.00	.0.0.0	125.07	0.0312	.0.0.0
36	36.00	.0.0.0	107.03	0.0281	.0.0.0
34	34.00	.0.0.0	101.029	0.0281	.0.0.0
32	32.00	.0.0.0	126.078	0.0375	STD
32	32.00	.0.0.0	188.087	0.0562	.0.0.0
34	34.00	.0.0.0	134.079	0.0375	STD
36	36.00	.0.0.0	154.048	0.0406	.0.0.0
38	38.00	.0.0.0	150.083	0.0375	STD
32	32.00	30	209.062	0.0625	.0.0.0
38	38.00	.0.0.0	175.087	0.0438	.0.0.0
34	34.00	.0.0.0	123.077	0.0344	.0.0.0
36	36.00	.0.0.0	142.081	0.0375	STD

321 stainless pipe temperature range

Test Temperature / °F/°C	Elongation in 2-inch gauge / %	Yield Strength 0.2% Offset ksi / MPa	Tensile Strength ksi / MPa
1200 or 649	19.5	21.1 / 146	54.4 / 375
1000 or 538	23.0	21.0 / 145	61.3 / 423
1600 or 871	48.0	16.2 / 112	22.5 / 155
600 or 316	26.0	23.1 / 159	64.2 / 443
200 or 93	39.5	30.2 / 208	75.2 / 518
800 or 427	25.0	21.2 / 146	62.7 / 433
400 or 204	28.0	26.0 / 179	66.0 / 455
1400 or 760	23.0	21.1 / 146	37.9 / 261
1800 or 982	41.0	8.0 / 55	11.3 / 78

SS 321 pipe chemical composition

Grade		N	Ni	C	Si	P	S	Cr	Mn	TI
SS 321	Min	-	9.00	-	-	-	-	17.0	-	5(C+N)
SS 321	max	0.10	12.00	0.08	1.00	0.045	0.030	19.0	2.00	0.70 max

SS 321 seamless pipe mechanical properties

Grade	321
Rockwell B (HR B) max	95
Yield Strength	205
Tensile Strength MPa min	515
Elongation	40
Brinell (HB) max	217

Physical properties of SA312 TP321 square pipes

Grade	Mean Coefficient of Thermal Expansion (m/m/0C)			Density (kg/m3)	Specific Heat 0-1000C (J/kg.K)	Electrical Resistivity (n.m)	Elastic Modulus (GPa)	Thermal Conductivity (W/m.K)
Grade	0-100°C	0-315°C	0-538°C	Density (kg/m3)	Specific Heat 0-1000C (J/kg.K)	Electrical Resistivity (n.m)	Elastic Modulus (GPa)	at 100°C	at 500°C
321	16.6	17.2	18.6	8027	500	720	193	16.1	22.2

ASTM A312 TP321 welded pipe equivalent grades

MATERIAL	WERKSTOFF NR.	UNS
	GERMAN	USA
TP321	1.4541	S32100

A312 TP321 polished pipes wall thickness

Nominal Pipe Size (NPS)	SCH 10S	SCH 5S	SCH 40S (Std.)	SCH 80S	SCH 160	SCH XXS
2" (DN 50)	2.77 mm	1.65 mm	3.91 mm	5.54 mm	8.74 mm	11.07 mm
3" (DN 80)	3.05 mm	2.11 mm	5.49 mm	7.62 mm	11.13 mm	15.24 mm
4" (DN 100)	3.05 mm	2.11 mm	6.02 mm	8.56 mm	13.49 mm	17.85 mm
1/2" (DN 15)	2.11 mm	1.65 mm	2.77 mm	3.73 mm	4.78 mm	5.74 mm
3/4" (DN 20)	2.11 mm	1.65 mm	2.87 mm	3.91 mm	5.56 mm	7.82 mm
1" (DN 25)	2.11 mm	1.65 mm	3.38 mm	4.55 mm	6.35 mm	9.09 mm
1 1/2" (DN 40)	2.77 mm	1.65 mm	3.73 mm	5.08 mm	7.14 mm	10.15 mm
6" (DN 150)	3.40 mm	2.77 mm	7.11 mm	10.97 mm	18.26 mm	21.95 mm
8" (DN 200)	4.19 mm	2.77 mm	8.18 mm	11.13 mm	21.44 mm	23.01 mm
10" (DN 250)	4.57 mm	3.40 mm	9.27 mm	12.70 mm	25.40 mm	28.58 mm
12" (DN 300)	4.57 mm	3.05 mm	10.31 mm	12.70 mm	25.40 mm	25.40 mm

ASTM A358 / ASME SA358
ASTM A312 / ASME SA312
ASTM A249
ASTM A554

ASTM A269
JIS G3459
JIS G3463

ISO 1127
EN 10216-5
EN 10217-7

Pressure rating of AISI 321 round pipes

Pipe Size (inches)	Pipe Schedule	Temperature (°F)
Pipe Size (inches)	Pipe Schedule	500	100	650	200	600	300	400	750	700
6"	160	2179	3289	2014	2836	2076	2549	2343	1953	1973
3"	80	1691	2553	1564	2202	1612	1979	1819	1516	1532
8"	40	711	1073	657	926	678	832	765	637	644
4"	80	1466	2213	1355	1909	1397	1715	1577	1314	1328
1"	80	2791	4213	2580	3634	2659	3265	3002	2501	2528
4"	40	1014	1531	938	1321	967	1187	1091	909	919
1.5"	80	2108	3182	1949	2744	2009	2466	2267	1889	1909
5"	80	1312	1981	1213	1709	1250	1535	1411	1176	1189
2"	80	1820	2747	1682	2369	1734	2129	1957	1631	1648
10"	80	1066	1609	986	1388	1016	1247	1147	956	966
5"	40	889	1342	822	1158	847	1040	956	797	805
8"	160	2103	3175	1944	2738	2004	2460	2262	1885	1905
6"	40	808	1219	747	1052	770	945	869	724	732
10"	160	2085	3147	1927	2714	1986	2439	2242	1868	1880

Automotive trim
Woven for mining
Chemical containers
Railway cars

Threaded fasteners
Heat Exchangers
Kitchen benches
Trailers

Construction materials
Architectural applications
Food processing equipment

SA213 TP321 schedule 40 pipes testing

Visual Inspection Testing
Pitting Protection Test
Positive Material Recognition
CVN Impact Testing
Ultrasonic Testing
Metalography Test
Hydrostatic Analysis
Eddy Current Examining
Power Generation Industries
TPP Rockwell

SS 321 pipes hsn code

Material	HS code
321 SS Pipe	73044900

Stainless steel 321 pipes sizes

Pipe OD mm	Pipe WT mm	Sch	in.	Kg/m
114.30	13.49	160	4	34.05
26.67	3.91	80S	3/4	2.23
60.33	8.74	160	2	11.29
101.60	8.08	80S	3½	18.92
13.72	3.02	80S	1/4	0.81
73.03	7.01	80S	2½	11.59
17.15	3.20	80S	3/8	1.12
168.28	14.27	120	6	54.75
21.34	3.73	80S	1/2	1.65
33.40	6.35	160	1	4.30
88.90	11.13	160	3	21.67
42.16	6.35	160	1¼	5.69
219.08	23.01	160	8	112.97
48.26	5.08	80S	1½	5.49
141.30	15.88	160	5	49.87

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Stainless steel 321 pipe

Leading SS 321 seamless pipe