ASTM A312 TP347H Stainless steel seamless pipe

Specification Standards of Stainless Steel 347H Pipe

International Specification	ASTM A312/ ASME SA 312 TP 347H
Seamless Pipes Size	Outer Diameter: 4 to 219mmWall Thickness: 0.5 to 20mm
Welded Pipe Size	Outer Diameter: 5.0 – 1219.2 mm
EFW Pipe Size	Outer Diameter: 5.0 – 1219.2 mm
Wall Thickness	Schedule 5, Schedule 40, Schedule10, Schedule 80, Schedule 160, Schedule 80S, Schedule XXS, Schedule XS
techniques	EFW/ Seamless / ERW / Welded / LSAW/ Fabricated / Seam-Welded / CDW/ Redrawn
Form	Round, Square, Rectangular
Length	Double Random & Required Length End, Single Random, Plain End, Treaded, Beveled End
Condition	Hot Finished, Annealed and Pickled, Bright Annealed, Polished, Cold Drawn

ASTM A312 TP347H Stainless Steel Equivalent

ASTM

UNS NO.

KOREA/JAPANES

GERMAN

BRITISH

FRENCH

ITALIAN

STAND ARD

KS/JIS Symbol

KS/JIS Numbe

Remarks

DIN Type

DE Number

Materiral Number

Remarks

B.S Number

B.S Grado

Remarks

AFNOR Type

NF Number

Ramarks

UNI Type

UNI Number

Ramarks

TP 347H

S34709

316HTP

D3576 / G3459

-16

X5 CrNiNb 18 9

1.4543

(3b)

3605

347HS18

Z6 CNNb 18.11

A 35-573

(3b)

X6 CrNiNb 18 11

6904

(3b)

ASTM A312 TP347H Stainless Steel Pipe Chemical Composition(%)

A312 Grade	UNS	C	Mn	P	S	Kaj	Cr	En
TP347H	S34709	0.04-0.10	≤2.00	≤0.045	≤0.030	≤1.00	17.0-19.0	9.00-13.00

Mechanical Properties of ASTM A312 TP347H Stainless Steel Seamless Pipes

The Mechanical Properties of grade 347H Stainless Steel Typical Values at 68°F (20°C) are displayed in the following table.

Rendimento-Forto 0.2% Offset		Ultimate Tensile Strength		Plilongigo en 2 en.	Hardness
psi (min.)	(MPa)	psi (min.)	(MPa)	% (min.)	(max.)
30,000	205	75,000	515	40	201 Brinell

ASTM A312 TP347H Stainless Steel Seamless Pipes Physical Properties

Physical properties of 347H grade stainless steel in the annealed condition

Properties	Metric
Denso	7.96 g/cm3

SS 347H Pipe Weight

PIPE SIZE	OD IN INCHES	A.S.A. Pipe Schedules
		5s	5	10s	10	20	30	40s & Std.	40	60	80s & E.H.	80	100	120	140	160	DBL E.H.
1/8	.405		.035 .1383	.049 .1863	.049 .1863			.068 .2447	068 .2447		0.95 .3145	0.95 .3145
1/4	.540		.049 .2570	.065 .3297	.065 .3297			.088 .4248	088 .4248		.119 .5351	.119 .5351
3/8	.675		.049 .3276	.065 .4235	.065 .4235			.091 .5676	.091 .5676		.126 .7338	.126 .7338
1/2	.840	.065 .5383	.065 .5383	.083 .6710	.083 .6710			.109 .8510	.109 .8510		.147 1.088	.147 1.088				.187 1.304	.294 1.714
3/4	1.050	.065 .6838	.065 .6838	.083 .8572	.083 .8572			.113 1.131	.113 1.131		.154 1.474	.154 1.474				.218 1.937	.308 2.441
1	1.315	.065 .8678	.065 .8678	.109 1.404	.109 1.404			.133 1.679	.133 1.679		.179 2.172	.179 2.172				.250 2.844	.358 3.659
1-1/4	1.660	.065 1.107	.065 1.107	.109 1.806	.109 1.806			.140 2.273	.140 2.273		.191 2.997	.191 2.997				.250 3.765	.382 5.214
1-1/2	1.900	.065 1.274	.065 1.274	.109 2.085	.109 2.085			.145 2.718	.145 2.718		.200 3.631	.200 3.631				.281 4.859	.400 6.408
2	2.375	.065 1.604	.065 1.604	.109 2.638	.109 2.638			.154 3.653	.154 3.653		.218 5.022	.218 5.022				.343 7.444	.436 9.029
2-1/2	2.875	.083 2.475	.083 2.475	.120 3.531	.120 3.531			.203 5.793	.203 5.793		.276 7.661	.276 7.661				.375 10.01	.552 13.70
3	3.500	.083 3.029	.083 3.029	.120 4.332	.120 4.332			.216 7.576	.216 7.576		.300 10.25	.300 10.25				.437 14.32	.600 18.58
3-1/2	4.000	.083 3.472	.083 3.472	.120 4.973	.120 4.973			.226 9.109	.226 9.109		.318 12.51	.318 12.51					.636 22.85
4	4.500	.083 3.915	.083 3.915	.120 5.613	.120 5.613			.237 10.79	.237 10.79	.281 12.66	.337 14.98	.337 14.98		.437 19.01		.531 22.51	.674 27.54
4-1/2	5.000							.247 12.53			.355 17.61						.710 32.53
5	5.563	.109 6.349	.109 6.349	.134 7.770	.134 7.770			.258 14.62	.258 14.62		.375 20.78	.375 20.78		.500 27.04		.625 32.96	.750 38.55
6	6.625	.109 7.585	.109 7.585	.134 9.290	.134 9.290			.280 18.97	.280 18.97		.432 28.57	.432 28.57		.562 36.39		.718 45.30	.864 53.16
7	7.625							.301 23.57			.500 38.05						.875 63.08
Medium Type = Wall thickness in inches Bold Type = Steel weight per foot in pounds

Stainless Steel ASTM A312 TP347H Seamless Pipe Sizes

NPS	OD	SCH 5S	SCH 10S	SCH 40S	SCH 80S
1/4	13.72	–	1.65	2.24	3.02
3/8	17.15	–	1.65	2.31	3.2
1/2	21.34	1.65	2.11	2.77	3.73
3/4	26.67	1.65	2.11	2.87	3.91
1	33.4	1.65	2.77	3.38	4.55
1.25	42.16	1.65	2.77	3.56	4.85
1.5	48.26	1.65	2.77	3.68	5.08
2	60.33	1.65	2.77	3.91	5.54
2.5	73.03	2.11	3.05	5.16	7.01
3	88.9	2.11	3.05	5.49	7.62
3.5	101.6	2.11	3.05	5.74	8.08
4	114.3	2.11	3.05	6.02	8.56
5	141.3	2.77	3.4	6.55	9.53
6	168.28	2.77	3.4	7.11	10.97
8	219.08	2.77	3.76	8.18	12.7
10	273.05	3.4	4.19	9.27	12.7
12	323.85	3.96	4.57	9.53	12.7
14	355.6	3.96	4.78	9.53	12.7
16	406.4	4.19	4.78	9.53	12.7
18	457.2	4.19	4.78	9.53	12.7
20	508	4.78	5.54	9.53	12.7
22	558.8	4.78	5.54	–	–
24	609.6	5.54	6.35	9.53	12.7
26	660.4	–	–	–	–
28	711.2	–	–	–	–
30	762	6.35	7.92	–	–

ASTM A312 SS 347H Seamless Pipe Tolerances

NPS	ASTM A312 TP347H OD Tolerance
	+		–
	inch	mm	inch	mm
1/8~1 1 /2 > 1 1 /2~4 > 4~8 > 8~18 > 18~26 > 26~34 > 34~48	1/64(0.015) 1/32(0.031) 1/16(0.062) 3/32(0.093) 1/8(0.125) 5/32(0.156) 3/16(0.187)	0.4 0.8 1.6 2.4 3.2 4.0 4.8	1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031)	0.8 0.8 0.8 0.8 0.8 0.8 0.8

Wall Thickness Tolerance of ASTM A312 TP347H SS Seamless Pipe

NPS	ASTM A312 TP 347H Stainless Steel Seamless Pipe WT Tolerance, %
	+	–
1/8-2 1 /2	20.0	12.5
3~18, t/D≤ 5%	22.5	12.5
3~18, t/D> 5%	15.0	12.5
≥ 20, welded	17.5	12.5
≥ 20, seamless, t/D≤ 5%	22.5	12.5
≥ 20, seamless, t/D> 5%	15.0	12.5

Pressure Rating of Stainless Steel TP316Ti Pipes316Ti Pipes

ASTM A312 Stainless Steel Pipe Tolerances

OD	Tolerance	WTH, mm	Length, mm
10.3 to 48.3	+0.40/-0.80	+/-12.5%t	+6/-0
over 48.3 to 114.3	+0.80/-0.08
over 114.3 to 219.1	+1.60/-0.80
over 219.1 to 457.2	+2.40/-0.80
over 457.2 to 660.4	+3.20/-0.80
over 660.4 to 864	+4.00/-0.08
over 864 to 1219.2	+4.80/-0.08

Wall Thickness tolerance of ASTM A312 TP316Ti

NPS	Wall Thickness Tolerance, %
1/8 To 2-1/2 Incl., All T/D Ratios	Over 20.2 Under 12.5
Over 3 To 18 Incl., T/D Up To 5% Incl.	Over 22.5 Under 12.5
Over 3 To 18, Incl., T/D > 5%	Over 15.0 Under 12.5
20 And Large, Welded, All T/D Ratios	Over 17.5 Under 12.5
20 And Large, Seamless, T/D Up To 5% Incl.	Over 22.5 Under 12.5
>20 And Large, Seamless, T/D > 5%	Over 15.0 Under 12.5

Stainless Steel 347H Pressure Rating

Stainless 347H Pressure Rating(psig)
Stainless 347H Size (inches)	Stainless Steel 347H Schedule	Temperature(°F)
		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	1868

ASTM A312 TP347H Stainless Steel Seamless Pipes APPLICATION

The grade 347 steel can be made into plates, sheets, and coils to be used in the following:

• Aerospace.
• Laboratory benches & equipment.
• Coastal architectural panelling, railings & trim.
• Boat fittings.
• Chemical Processing.
• Heat Exchangers.
• Woven or welded screens for mining, quarrying & water filtration.
• Threaded fasteners.
• Springs.