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Product Details

Name: 321 Stainless Steel Pipe

Size: 1/2 inch NB, OD to 24 inch

Material: Stainless Steel

Type：SS 321 Seamless Pipes | SS 321 ERW Pipes | SS 321 Welded Pipes | SS 321 Fabricated Pipes | SS 321 CDW Tubes, LSAW Pipes / Seam-welded / Redrawn

Thickness range: 0.3mm – 50 mm

Surface Treatment: Polishing, Hairline, Pickled, etc.

Finished condition: Round, Square, Rectangular, Coil，U Tube

Application: Petrochemical, Oil & Gas； Geothermal, Mining；Chemical Process, Pharmaceutical, Biomass；Sea Water, Water Desalination； LNG (Liquefied Natural Gas), Nuclear Power, Solar Power。

Model number:

Original: Wenzhou,Zhejiang

Standard:ASTM A213, ASTM A312, ASTM A789, ASTM A790 etc.

Brand:

Technics:

Package: Packed in woven bag, or put in wooden case

Price:

Delivery: Accord Quantity

Certificate:

Production ability:

Product Detail

321 Stainless Steel Pipe is available in a variety of shapes, sizes, grades, and finishes. The most common shapes are round tubes and pipes. The grades vary depending on your application; some grades are better suited for certain tasks than others.

321 Stainless Steel Pipes is used in many different industries due to its high strength-to-weight ratio and its ability to withstand extreme temperatures without compromising structural integrity. It is most commonly used in the oil & gas industry for pipelines that transport oil or gas through rough terrain or extreme temperatures. It also finds use in the automotive industry as exhaust systems due to its strong corrosion resistance properties as well as being aesthetically pleasing when polished correctly. Furthermore, stainless steel 321 is also found in chemical processing plants where it can resist corrosion from harsh chemicals that are often found there without sacrificing performance or reliability.

Table of Content：

1. Specification of 321 Stainless Steel Pipe

2. Applications of 321 Stainless Steel Pipe

3. Stainless Steel 321 Pipes Equivalent Grades

4. TP 321 Stainless Steel Pipes Chemical Composition

5. Stainless Steel 321 Pipes Physical properties

6. ASTM A312 / A213 SS TP 321 Pipes Mechanical properties

7. 321 Stainless Steel Pipe Stock

8. 321 Stainless Steel Pipe pressure rating

9. Types Of Stainless Steel 321 Pipes

10. 321 Stainless Steel Pipe price list

Applications of 321 Stainless Steel Pipe

l Oil and gas equipment

l Offshore technology

l Seawater desalination plants

l Chemical industry, especially when handling chlorides

l Flue-gas cleaning

l Pulp and paper industry

l Cargo tanks and pipe systems in chemical tankers

l Firewalls and blast walls on offshore platforms

l Bridges

l Storage tanks

l Pressure vessels, reactor tanks, and heat exchangers

l Rotors, impellers and shafts

Stainless Steel 321 Pipes Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS	JIS	AFNOR	BS	GOST	EN
SS 321	1.4541	S32100	–	–	–	–	–

TP 321 Stainless Steel Pipes Chemical Composition :

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

Stainless Steel 321 Pipes Physical properties :

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Co-eff of Thermal Expansion (µm/m/°C)			Thermal Conductivity (W/m.K)		Specific Heat 0-100°C (J/kg.K)	Elec Resistivity (nΩ.m)
			0-100°C	0-315°C	0-538°C	At 100°C	At 500°C
321	8027	193	16.6	17.2	18.6	16.1	22.2	500	720

ASTM A312 / A213 SS TP 321 Pipes 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
321	515	205	40%	95	217

321 Stainless Steel Pipe Stock

Outside Diameter, OD (in mm)	Wall Thickness, WT (in mm)
6mm – 630mm	0.5mm-30mm
12.7mm* 12.7mm to 300mm* 300mm	0.5mm-30mm
1020mm to 100200mm	0.5mm-30mm
6mm to 630mm	0.5mm-30mm
12.7mm to 250mm	0.5mm-30mm
16mm to 85mm	0.5mm-3.0mm
13mm to 85mm	0.5mm-2.0mm
20mm to 200mm	0.5mm-2.0mm
22mm0.7mm to 108mm2.0mm	0.5mm-2.0mm
12.5mm to 203.2mm	1.0mm – 5mm
0.28mm to 10mm	0.08mm – 1.2mm
6mm to 430mm	0.8mm – 30mm

NB Sizes	Sch 5	Sch 10	Sch 40	Sch 80	Sch 160
1/8"	√	√	√	√
1/4"	√	√	√	√
3/8"	√	√	√	√
1/2"	√	√	√	√	√
3/4"	√	√	√	√	√
1"	√	√	√	√	√
1 1/4"	√	√	√	√	√
1 1/2"	√	√	√	√	√
2"	√	√	√	√	√
2 1/2"	√	√	√	√	√
3"	√	√	√	√	√
4"	√	√	√	√	√
5"	√	√	√	√
6"	√	√	√	√

321 Stainless Steel Pipe pressure rating

Pipe Size (inches)	Pipe Schedule	Temperature (°F)
Pipe Size (inches)	Pipe Schedule	100	200	300	400	500	600	650	700	750
1"	40	3048	2629	2362	2171	2019	1924	1867	1824	1810
1"	80	4213	3634	3265	3002	2791	2659	2580	2528	2501
1"	160	6140	5296	4759	4375	4068	3876	3761	3684	3646
1.5"	40	2257	1947	1750	1608	1496	1425	1383	1354	1340
1.5"	80	3182	2744	2466	2267	2108	2009	1949	1909	1889
1.5"	160	4619	3984	3580	3291	3060	2916	2829	2772	2743
2"	40	1902	1640	1474	1355	1260	1201	1165	1141	1129
2"	80	2747	2369	2129	1957	1820	1734	1682	1648	1631
2"	160	4499	3880	3486	3205	2980	2840	2755	2699	2671
3"	40	1806	1558	1400	1287	1196	1140	1106	1084	1072
3"	80	2553	2202	1979	1819	1691	1612	1564	1532	1516
3"	160	3840	3312	2976	2736	2544	2424	2352	2304	2280
4"	40	1531	1321	1187	1091	1014	967	938	919	909
4"	80	2213	1909	1715	1577	1466	1397	1355	1328	1314
4"	160	3601	3106	2791	2566	2386	2273	2206	2161	2138
5"	40	1342	1158	1040	956	889	847	822	805	797
5"	80	1981	1709	1535	1411	1312	1250	1213	1189	1176
5"	160	3414	2945	2646	2433	2262	2155	2091	2049	2027
6"	40	1219	1052	945	869	808	770	747	732	724
6"	80	1913	1650	1483	1363	1267	1208	1172	1148	1136
6"	160	3289	2836	2549	2343	2179	2076	2014	1973	1953
8"	40	1073	926	832	765	711	678	657	644	637
8"	80	1692	1459	1311	1205	1121	1068	1036	1015	1005
8"	160	3175	2738	2460	2262	2103	2004	1944	1905	1885
10"	40	974	840	755	694	945	615	596	584	578
10"	80	1609	1388	1247	1147	1066	1016	986	966	956
10"	160	3147	2714	2439	2242	2085	1986	1927	1880	1868

Types Of Stainless Steel 321 Pipes

l Stainless Steel 321 Pipes

l Stainless Steel 321 pipes

l AISI 321 seamless pipes

l UNS S32100 Pipes in Iraq

l AISI 321 welded pipes in Egypt

l SUS 321 Pipes Suppliers in Jordan

l DIN 1.4541 pipes in Peru

l SS 321 pipes in Chile

l AISI 321 ERW pipes in Malaysia