SS 317L Seamless Pipes Manufacturer and Supplier in Thailand

Stainless Steel 317L Seamless Pipe is a low-carbon austenitic stainless steel pipe known for its excellent corrosion resistance and high-temperature strength. These pipes are especially suitable for aggressive environments such as chemical processing, petrochemical operations, and marine applications. Thaida, a reliable manufacturer and supplier based in Chon Buri, Thailand, produces high-quality SS 317L Seamless Pipes that meet the stringent requirements of global industries. Manufactured in strict accordance with international standards like ASTM A312, our pipes are engineered for durability, easy weldability, and superior performance. Available in various sizes, wall thicknesses, and pressure ratings, they offer dependable solutions for demanding applications.

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317L Stainless Steel Seamless Pipes

SS UNS S31703 seamless pipes is a high-performance material made with a low carbon content, these pipes offer enhanced durability in harsh environments compared to standard stainless steels. Its composition primarily includes chromium, nickel and molybdenum which provide superior resistance to pitting and crevice corrosion. The manufacturing of ASTM A312 TP 317L SS seamless pipes follows advanced processes such as cold drawing, ensuring a smooth, high-quality surface finish. Due to their ability to withstand high levels of chlorides, these pipes are commonly used in chemical processing & marine environments. These pipes are available in surface finishes including mill finish, pickled and passivated, polished, brushed and bead blasted.

Key Features of 317L Stainless Steel Seamless Pipes

The key features of Stainless Steel 317L Seamless Pipes include chemical resistance, thermal efficiency, and durability.

Provides strong resistance to extreme environments, offering durability in aggressive conditions.

Leak-proof, uniform and high-integrity piping solution with no weak points.

DIN 1.4438 317L Seamless Pipes are effective up to 900°F (482°C), suitable for thermal applications without losing strength.

Strong resistance to sulfuric, acetic and tartaric acids, ensuring long-term performance.

Good weldability and formability, allowing for versatile use in a variety of installations.

Available in multiple sizes and wall thicknesses, meeting industry standards.

Why Choose Thaida For Stainless Steel 317L Seamless Pipes

Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd. is a trusted supplier of stainless steel 317L seamless pipes, offering unmatched expertise and a strong industry reputation. Our commitment to quality and customer satisfaction ensures you receive superior products. We focus on reliability, timely delivery which makes us the preferred choice for all your stainless steel pipe needs.

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Specification of Stainless Steel 317L Seamless Pipes

This table details the key specifications of 317L ss seamless pipes, including size range, outer diameter, thickness, schedules, length and surface finish.

Grade	317L
Standard Specification	ASTM A312 Tp317L, ASTM Tp317/317L
Surface Finish	Polished, Bright, Cold Finish, Annealing, Pickling
Size	½ to 6 Inch
Schedule Pipes Thickness Range	SCH XXS, SCH 40, SCH 160, SCH10, SCH 5, SCH 80, SCH 80S, SCH XS
Types	Seamless
Manufacturing Technology	Hot / Cold Formed
Technique	Cold Rolled, Hot Rolled
Wall Thickness	0.1 to 60 mm
Manufacturing Shapes	Round, Rectangle, Square, Box Section
Standard	ASME, EN, DIN, JIS, ASTM, AMS, GOST, AISI, GB

UNS S31700 Seamless Piping Chemical Composition Chart

The chemical composition chart provides the details of the elements including chromium, nickel, molybdenum and other trace elements.

Grade	C	Si	Mn	P	S	Cr	Mo	Ni
SS 317L	≤0.035	≤0.075	≤2.00	≤0.04	≤0.03	18.00–20.00	3.00–4.00	11.00–15.00

Mechanical Properties of Stainless Steel DIN 1.4438 Seamless Pipes

This table includes essential mechanical properties such as tensile strength, yield strength, elongation and hardness of DIN 1.4438 stainless steel seamless pipes.

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%

Pressure Rating of 317L Stainless Steel Seamless Pipes

This table outlines the pressure rating of these seamless pipes, providing crucial information on their pressure-bearing capacity across various applications.

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

Stainless Steel 317L Seamless Pipes Equivalent Grades

The equivalent properties table compares SS 317L to other materials, highlighting key characteristics for better material selection.

STANDARD	UNS	WNR.	EN	JIS
SS 317L	S31703	1.4438	X2CrNiMo18-15-4	SUS 317L

Physical Properties of 317L Stainless Steel Seamless Pipes

The physical properties of these pipes include density, thermal conductivity and specific heat for better performance evaluation.

Physical Properties (Room Temperature)
Specific Heat (0-100°C)	500	J.kg-1.°K-1
Thermal Conductivity	14.6	W.m -1.°K-1
Thermal Expansion	16.5	mm/m/°C
Modulus Elasticity	193	GPa
Electrical Resistivity	7.4	μohm/cm
Density	7.99	g/cm3

Stainless Steel 317L Seamless Pipes Manufacturing Process

The process of manufacturing stainless steel 317L pipe is divided into five stages, which are outlined below

1. Raw Material Selection
High-quality stainless steel billets and strips are carefully selected for superior strength and corrosion resistance.

2. Pipes Formation
The selected raw material is formed into pipes using seamless extrusion methods, depending on the application.

3. Heat Treatment
Pipes undergo required controlled heat treatment to enhance mechanical properties and relieve internal stresses.

4. Cold Working and Finishing
After heat treatment, pipes are cold-worked for better surface finish, dimensional accuracy and improved strength.

5. Quality Control and Testing
Every pipe is thoroughly inspected and tested to ensure it meets international quality standards for performance and reliability.

Specific Applications of Stainless Steel 317L Seamless Pipes

SS 317L seamless pipes are commonly used in various sectors including chemical processing, marine, pulp and paper, petrochemical and power generation industries due to reliability in various applications.

Oil and Gas Industry

Chemical and Petrochemical Industry

Food and Beverage Industry

Pharmaceutical & Biotechnology

Aerospace & Defense

Automotive and Transportation

Construction and Architecture

Marine & Shipbuilding

Power Generation & Heat Exchange

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FAQ's

What is 317L Stainless Steel?

317L stainless steel is a low-carbon, molybdenum-bearing austenitic alloy known for its improved corrosion resistance and weldability.

What standards do Stainless Steel 317L Seamless Pipes meet?

They typically meet ASTM A312, ASTM A269 and equivalent international standards like DIN 1.4438 and UNS S31703.

What sizes and finishes are available for SS 317L Seamless Pipes?

Available in a wide range of sizes with finishes like mill finish, polished, pickled and passivated, brushed and bead blasted.