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ASTM A312 TP304 304L Seamless And Welded Pipe High Temperature

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ASTM A312 TP304 304L Seamless And Welded Pipe High Temperature

Country/Region	china
City & Province	ningbo zhejiang
Categories	Electronic Measuring Instruments

Product Details

ASTM A312 TP304 304L Seamless And Welded Pipe High Temperature

Stainless Steel 304 Pipe is made either seamless or welded. The pipes could be drawn from a single billet as seamless or be welded from a strip or plate. There are different welding methods such as electric resistance welding for smaller pipes and electric fusion welding for pipes with large diameters. YUHONG is a manufacturer of all sizes of 304 pipes.

The Stainless Steel 304 Seamless Pipe is used for more accurate dimensions with applications that require accurate dimensions whereas the SS 304 Welded Pipe is used for mechanical applications rather than technical applications.

Mechanical Properties

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 %

Equivalent Material Grade Specifications

GRADE	UNS NO	OLD BRITISH		EURONORM		SWEDISH SS	JAPANESE JIS
GRADE	UNS NO	BS	EN	NO	NAME	SWEDISH SS	JAPANESE JIS
304	S30400	304S31	58E	1.4301	X5CrNi18-10	2332	SUS 304

Chemical Composition Of SS 304 Seamless Pipe

SS	304	304N	304LN
Ni	8 – 11	8 – 11	8 – 11
Fe	Balance
Cr	18 – 20	18 – 20	18 – 20
C	0.08 max	0.08 max	0.035 max
Si	0.75 max	0.75 max	0.75 max
Mn	2 max	2 max	2 max
P	0.040 max	0.040 max	0.040 max
S	0.030 max	0.030 max	0.030 max
N		0.10 – 0.16	0.10 – 0.16

Stainless Steel TP304 Pressure Rating

SS 304 Pipes Pressure Rating (psig)
Size (inches)	SCH	Temperature (°F)
Size (inches)	SCH	100	200	300	400	500	600	650	700	750
1''	40	3048	2629	2362	2171	2019	1924	1867	1824	1810
	80	4213	3634	3265	3002	2791	2659	2580	2528	2501
	160	6140	5296	4759	4375	4068	3876	3761	3684	3646
1 1/2"	40	2257	1947	1750	1608	1496	1425	1383	1354	1340
	80	3182	2744	2466	2267	2108	2009	1949	1909	1889
	160	4619	3984	3580	3291	3060	2916	2829	2772	2743
2"	40	1902	1640	1474	1355	1260	1201	1165	1141	1129
	80	2747	2369	2129	1957	1820	1734	1682	1648	1631
	160	4499	3880	3486	3205	2980	2840	2755	2699	2671
3"	40	1806	1558	1400	1287	1196	1140	1106	1084	1072
	80	2553	2202	1979	1819	1691	1612	1564	1532	1516
	160	3840	3312	2976	2736	2544	2424	2352	2304	2280
4"	40	1531	1321	1187	1091	1014	967	938	919	909
	80	2213	1909	1715	1577	1466	1397	1355	1328	1314
	160	3601	3106	2791	2566	2386	2273	2206	2161	2138
5"	40	1342	1158	1040	956	889	847	822	805	797
	80	1981	1709	1535	1411	1312	1250	1213	1189	1176
	160	3414	2945	2646	2433	2262	2155	2091	2049	2027
6"	40	1219	1052	945	869	808	770	747	732	724
	80	1913	1650	1483	1363	1267	1208	1172	1148	1136
	160	3289	2836	2549	2343	2179	2076	2014	1973	1953
8"	40	1073	926	832	765	711	678	657	644	637
	80	1692	1459	1311	1205	1121	1068	1036	1015	1005
	160	3175	2738	2460	2262	2103	2004	1944	1905	1885
10"	40	974	840	755	694	645	615	596	584	578
	80	1609	1388	1247	1147	1066	1016	986	966	956
	160	3147	2714	2439	2242	2085	1986	1927	1880	186

Applications

· Food processing equipment, particularly in beer brewing, milk processing & wine making.
· Kitchen benches, sinks, troughs, equipment and appliances
· Architectural panelling, railings & trim
· Chemical containers, including for transport
· Heat exchangers
· Woven or welded screens for mining, quarrying & water filtration
· Threaded fasteners
· Springs