ASTM A312 TP317L Stainless Steel Welded Pipe for Chemical Equipment

For chemical equipment requiring a cost-effective solution with excellent corrosion resistance, especially in acidic chloride environments, ASTM A312 TP317L welded pipe is the obvious choice. However, for high-pressure or high-leverage applications, where maximum strength and a leak-proof design are crucial, ASTM A312 TP317L seamless pipe is more suitable.

ASTM A312 TP317L welded pipe is primarily composed of chromium, nickel, molybdenum, and titanium. Chromium content ranges from 18-20%, nickel from 11-15%, molybdenum from 3-4%, and titanium from 0.10-0.25%. It also contains small amounts of niobium and vanadium. It offers excellent corrosion resistance, particularly against sulfuric acid, acidic solutions, and chloride media. Furthermore, it can be joined using conventional welding methods. Common welding methods include TIG (tungsten inert gas welding) and MIG (metallic arc welding). It is widely used in the chemical, petroleum, pharmaceutical, and food processing industries.

Chemical Composition of ASTM A312 TP317L Welded Pipe

Grade	Carbon	Manganese	Silicon	Phosphorous	Sulphur	Chromium	Molybdenum	Nickel	Flerovium
SS 317L	0.035	2.0	1.0	0.045	0.030	18.00 - 20.00	3.00 - 4.00	11.00 - 15.00	57.89

Mechanical Properties of ASTM A312 TP317L Welded Pipe

Grade	Melting Point	Density	Yield Strength	Tensile Strength	Elongation
SS 317 / SS 317L	1400 °C (2550 °F)	7.9 g/cm3	Psi – 30000 , MPa – 205	Psi – 75000 , MPa – 515	35 %

Equivalent of ASTM A312 TP317L Welded Pipe

Grade	Werkstoff Nr.	Unified Numbering System	Japanese Industrial Standards	European Standards
SS 317L	1.4438	S31703	SUS 317L	X2CrNiMo18-15-4

Pressure rating of 317L Stainless Steel Pipe

Pipe Size in Inch	Schedule	100	750	300	500	600	700	650
5	40	1342	797	1040	889	847	805	822
	80	1981	1176	1535	1312	1250	1189	1213
	160	3414	2027	2646	2262	2155	2049	2091
1	40	3048	1810	2362	2019	1924	1824	1867
	80	4213	2501	3265	2791	2659	2528	2580
	160	6140	3646	4759	4068	3876	3684	3761
6	40	1219	724	945	808	770	732	747
	80	1913	1136	1483	1267	1208	1148	1172
	160	3289	1953	2549	2179	2076	1973	2014
2	40	1902	1129	1474	1260	1201	1141	1165
	80	2747	1631	2129	1820	1734	1648	1682
	160	4499	2671	3486	2980	2840	2699	2755
3	40	1806	1072	1400	1196	1140	1084	1106
	80	2553	1516	1979	1691	1612	1532	1564
	160	3840	2280	2976	2544	2424	2304	2352
1 1/2	40	2257	1340	1750	1496	1425	1354	1383
	80	3182	1889	2466	2108	2009	1909	1949
	160	4619	2743	3580	3060	2916	2772	2829
4	40	1531	909	1187	1014	967	919	938
	80	2213	1314	1715	1466	1397	1328	1355
	160	3601	2138	2791	2386	2273	2161	2206
8	40	1073	637	832	711	678	644	657
	80	1692	1005	1311	1121	1068	1015	1036
	160	3175	596	2460	2103	2004	615	1944

Tolerance of A312 Tp 317L Pipe

Nominal Pipe Size	Tolerance
Nominal Pipe Size	+	–
3~18, t/D≤ 5%	22.5	12.5
1/8-2 1 /2	20.0	12.5
3~18, t/D> 5%	15.0	12.5
≥ 20, seamless, t/D≤ 5%	22.5	12.5
≥ 20, welded	17.5	12.5
≥ 20, seamless, t/D> 5%	15.0	12.5

SA312 TP317L Stainless Steel Application

Flue gas desulfurization scrubber system

Chemical and Petro-chemical industries

Pulp and Paper Handling Equipment

Food Equipment

Textile equipment

ASTM A312 / A312M Pipe Test Certificates

GNEE provides manufacturer's test certificates (TCs) in accordance with EN 10204/3.1B, raw material certificates, 100% radiographic inspection reports, and third-party inspection reports. We also offer certificates for standards such as EN 10204 3.1 and additional requirements such as NACE MR 01075. Upon request, we can provide ferrite content testing in accordance with the standard.
• EN 10204/3.1B
• Raw material certificates
• 100% radiographic inspection reports
• Third-party inspection reports, etc.

Knowledge

Mechanical Properties of ASTM A312 TP317L Welded Pipe

Equivalent of ASTM A312 TP317L Welded Pipe

Tolerance of A312 Tp 317L Pipe

SA312 TP317L Stainless Steel Application

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