TP317L Stainless Steel Tube | ASTM A213 TP317L | ASME SA213 TP317L

                   

Stainless-Steel-Instrumentation-Tubing

Guanyu Tube is Specialized Manufacturer of ASTM SA213 TP317L 317LMN S31700 S31703 Stainless Steel Tube, ASTM A312 SA 312 TP 317L Stainless Steel pipe. EN 10216-5 1.4439 EN 10217-7 1.4438 317L Pipe, ASTM A213 TP317L Stainless Steel Tube, 317L Tubes, TP 317L Stainless Steel Pipe Supplier

SA213 TP317L Stainless Steel Tubes Properties and Character

CategoryKey Features & Advantages
1. Material Composition & Metallurgy• Low-Carbon Austenitic Stainless Steel: “L” grade designates low carbon content (max. 0.030%) to minimize chromium carbide precipitation during welding or high-temperature exposure.
• High Molybdenum Content: Contains 3.0–4.0% Mo (significantly higher than TP316L’s 2.0–3.0%), which is the primary driver for its enhanced corrosion resistance.
• ASME/ASTM Specification: Complies with ASME SA213 / ASTM A213 for seamless boiler, superheater, and heat-exchanger tubes.
2. Superior Corrosion Resistance• Excellent Pitting & Crevice Corrosion Resistance (PREN): Higher Mo content results in a Pitting Resistance Equivalent Number (PREN) typically >33, offering superior performance in chloride-bearing environments compared to TP316L (PREN ~26–30).
• Resistance to Intergranular Corrosion: Low carbon content prevents sensitization (chromium carbide formation at grain boundaries) in the as-welded condition.
• Enhanced Resistance to Organic Acids: Performs better than TP316L in various organic and inorganic acids, including sulfuric, phosphoric, and acetic acids.
3. High-Temperature & Mechanical Properties• Good High-Temperature Strength: Suitable for moderate-temperature applications (generally up to ~450°C / 840°F for continuous service).
• Oxidation Resistance: Good resistance to scaling in intermittent service up to ~870°C (1600°F).
• Ductility & Toughness: Maintains good formability and impact toughness typical of austenitic stainless steels.
4. Fabrication & Weldability• Good Weldability: Can be welded using standard methods (GTAW, SMAW). It is recommended to use matching low-carbon filler metals (e.g., ER317L) to preserve corrosion resistance in the weld zone.
• Formability: Good cold working properties, though annealing may be required after severe deformation to restore optimal corrosion resistance.
5. Key Applications• Chemical & Petrochemical Processing: Heat exchangers, condensers, and reactor tubes exposed to aggressive chlorides and acids.
• Pulp & Paper Industry: Digesters, bleach plants, and piping handling corrosive liquors.
• Pollution Control & FGD Systems (Flue Gas Desulfurization): Components exposed to wet SO₂ and chlorides.
• Pharmaceutical & Food Processing: Equipment requiring high corrosion resistance and cleanability.
6. Advantages Over Similar Grades• vs. TP316LSuperior pitting and crevice corrosion resistance due to higher Mo content. The first choice upgrade when TP316L fails due to localized corrosion.
• vs. TP317 (Standard): TP317L offers superior intergranular corrosion resistance in welded condition without post-weld heat treatment.
• vs. Duplex/6Mo Grades: A more cost-effective and easier-to-fabricate option for many moderately aggressive environments, with better ductility and toughness.
7. Design & Operational Considerations• Chloride Stress Corrosion Cracking (CSCC): Like all standard austenitic grades, it is susceptible to CSCC above approximately 60°C (140°F). Environmental control or alternative materials (e.g., duplex stainless steel) should be considered for high-chloride, high-temperature services.
• Microbiologically Influenced Corrosion (MIC): Enhanced Mo content provides better resistance than TP304/316 grades.
• Thermal Conductivity: Lower than carbon steels but typical for austenitic stainless steels; this must be accounted for in heat exchanger design.

Comparison with Key Austenitic Grades (in Chloride Environments)

Property / AspectTP317LTP316LTP904L
Mo Content (%)3.0–4.02.0–3.04.0–5.0
Typical Min. PREN~33~26~36
Pitting/Crevice ResistanceVery GoodGoodExcellent
General Cost LevelMediumLow-MediumHigh
Primary AdvantageCost-effective upgrade from 316L for moderate chloride/acid servicesStandard for general chloride serviceSuperior for severe oxidizing acids & high chlorides

ASME SA213 TP317L is a versatile, low-carbon, high-molybdenum austenitic stainless steel designed for corrosion-critical applications where TP316L proves inadequate. Its primary advantages are:

  1. Significantly enhanced resistance to pitting and crevice corrosion in chloride-containing environments, thanks to its elevated molybdenum content.
  2. Excellent weldability and intergranular corrosion resistance in the as-welded condition due to its low carbon content.
  3. A cost-effective material solution for a wide range of moderately aggressive chemical process, pulp & paper, and pollution control applications.

It serves as a crucial performance bridge between the widely used TP316L and the more expensive super-austenitic (e.g., 6% Mo grades) and nickel alloys.

Guanyu SA213 TP317L Stainless Steel Tubes Advantage

  • 1. Super high cost performance.
  • 2. Stable and reliable quality.
  • 3. Specializing in the production of stainless steel tubes for heat exchangers. Professional because of focus.
  • 4. Can produce ultra-long stainless steel seamless tubes. Maximum Length is 60000mm.
  • 5. Fast delivery time. We have 22 sets cold rolling mills and 5 sets cold drawing machines to ensure rapid completion of production and delivery.
  • 6. Clean internal and external surfaces of stainless steel tubes.
  • 7. Excellent straightness. For customers with special requirements, we will add a straightening step before shipping.

Chemical Composition of ASTM A213 / ASME SA 213 TP317 TP317L 317LM 317LMN Stainless Steel

GradeCMnPSulphurSiCrNickelMoNCuWeight %
317 S3170018.0011.003.00Min.
 0.082.000.0450.0301.0020.0015.004.00Max.
317L S3170318.0011.003.00Min.
0.0352.000.0450.0301.0020.0015.004.00 Max.
317LM S3172518.0013.504.00 Min.
 0.032.000.0450.0301.0020.0017.505.000.200.75Max
317LMN S3172617.0013.504.000.10 Min.
0.032.000.0450.0301.0020.0017.505.000.200.75Max.
EN 10216-5 1.443916.5012.504.00  Min.
0.0302.000.0400.0151.0018.5014.505.00  Max.
EN 10217-7 1.443817.5013.003.00  Min.
0.0302.000.0450.0301.0019.5016.004.00  Max.

Mechanical Properties of SA213 TP317 TP317L Stainless Steel Tubes

   Tensile StrengthTensile StrengthYield StrengthYield Strength   
AlloyUNS DesignationMPaksiksiMPaElongation in 2 inches (min.) %Grain Size Req.Max. Hardness HRB
317S31700A213 A312515753020534192 HRB
317LS31703A213, A312515753020535192 HRB

SA213 TP317L Stainless Steel Physical Properties

AlloyUNS DesignationDensity Specific Gravity
kg/dm³
Modulus of Elasticity (x106 psi)Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6)Thermal Condu
ctivity (BTU-in/ft2-h-°F)
317S31700A213 A3127.9828.09.2116
317LS31703A213, A3127.9828.09.2116
Weight calculation coefficient: 0.02507

317LMN Dens317L Stainless Steel Density Specific Gravity: 7.98 (kg/dm³), 317LMN Density 8.00 (kg/dm³).

SA213 TP317L Stainless Steel Application

  • Flue gas desulfurization scrubber system
  • Chemical and Petro-chemical industries
  • Pulp and Paper Handling Equipment
  • Food Equipment
  • Textile equipment

TP317L Stainless Steel Standard Specification

AlloyUNS DesignationWerkstoff NR.Specifications*
317S31700A269, A/SA249, A/SA312
317LS31703EN 10216-5 1.4438A269, A/SA249, A/SA312
317LMS31725A269, A/SA249, A/SA312
317LMNS31726 A269, A/SA249, A/SA312
China – GBChina – GBJapanUSAUSAKSEN/DINASCNSDIN
GradeGB24511JISASTMASTMGrade
S3170806Cr19Ni13Mo3SUS317317S31700STS317 317317 X5CrNiMo1713
S31703022Cr19Ni13Mo3SUS317L317LS31703STS317L1.4439317L317LX2CrNiMo18-15-4
 SizesSizesSizes Standard TolerancesTolerancesTolerances
ProductsODWalleLengths and/or coilsGradesODWallLengths
Austenitic Steel Boiler, Super Heater, Heat-Exchanger & Condenser Tube Specifications: ASTM A213, ASME SA 213, ASTM A269, ASTM A312 ASME SA 312 ASTM-A688, ASME-SA6881/4″ (6mm) to 12 ” (323.85 mm) Metric sizes available0.020″ (0.51 mm) to 1.312 ” (33.325 mm)Random or cut lengths up to Customer Requirement317/317L±10%
Pressure & Corrosion Tubing Meets or exceeds requirements for welded Specifications: ASTM A269, ASTM-A1016, and ASTM-A6321/16″ (1.59 mm) to 4″ (101.6 mm) Metric sizes available0.010″ (0.25 mm) to 0.220″ (5.59 mm)Random or cut lengths up to 90′ (27.4 m) Coils to 1-1/2″ OD317/317L<1-1/2″ (38.1 mm) ±0.005″ (0.13 mm) 1-1/2″ (38.1 mm) to 3″ (76.2 mm) ±0.010″ (0.25 mm) 3-1/2″ (88.9 mm) to 4″ (101.6 mm) ±0.015″ (0.38 mm)±10%Randoms up to +2″ (50.8 mm) Cuts +1/8″ (3 mm) -0″ Coils to 80,000′ (24,384 m)
Instrumentation Tubing Specifications: ASTM A269 and ASTM A6321/16″ (1.59 mm) to 1/2″ (12.7 mm) Metric sizes available0.010″ (0.25 mm) to 0.065″ (1.65 mm)Random or cut lengths up to 40′ (12.2 m)317/317L±0.005″ (0.13 mm)±10%Randoms up to +2″ (50.8 mm) Cuts +1/8″ (3 mm) -0″

Maximum internal pressure of SA213 TP317L Stainless Steel Tube

American standard for Process piping (ASME B31.3 : 2018)

Maximum internal pressure of ASTM A312 TP317L Size: OD 15.88mm WT 1.245mm Wall Thickness Tolerance: ± 10%

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TP317L / S31703205205205194181173166ASTM A213 TP317L

Maximum internal pressure of ASTM A312 TP317L Size: OD 15.88mm WT 1.651mm Wall Thickness Tolerance: ± 10%

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TP317L / S31703278278278194181173166ASME SA213 TP317L

Maximum internal pressure of ASTM A312 TP317L Size: OD 19.05mm WT 1.651mm Wall Thickness Tolerance: ± 10%

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TP317L / S31703229229229216202193185ASTM TP317L

Maximum internal pressure of ASTM A312 TP317L Size: OD 19.05mm WT 2.11mm Wall Thickness Tolerance: ± 10%

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TP317L / S31703298298298282264252241ASTM TP317L

Maximum internal pressure of ASTM A312 TP317L Size: OD 25.4mm WT 1.651mm Wall Thickness Tolerance: ± 10%

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TP317L / S31703169169169159149142137ASTM TP317L

Maximum internal pressure of ASTM A312 TP317L Size: OD 25.4mm WT 2.11mm Wall Thickness Tolerance: ± 10%

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317L / S31703219219219207194185177ASTM TP317L

TP317L Stainless Steel Pipe Marking and Packing

SA213 TP317L
317L-Stainless-Steel-Tubes-PMI-Testing
A213 317L Stainless Steel Tubes
Direct-Reading-Spectrometry

SA213 TP317L Stainless Steel Tubing Tubes Sizes

Size:1/4″ × 0.035″
Size:3/8″ × 0.035″ 
Size:1/2″ × 0.035″
Size:5/8″ × 0.035″
Size:3/4″ × 0.035″
Size:1″ × 0.035″
Size:5/16″ × 0.035″
Size:1/4″ × 0.049″
Size:3/8″ × 0.049″
Size:1/2″ × 0.049″
Size:5/8″ × 0.049″
Size:3/4″ × 0.049″
Size:1″ × 0.049″ 
Size:1/4″ × 0.065″ 
Size:3/8″ × 0.065″ 
Size:1/2″ × 0.065″ 
Size:5/8″ × 0.065″
Size:3/4″ × 0.065″
Size:1″ × 0.065″
Size:1″ × 0.120″ 

SA213 TP317L Stainless Steel Tube Export Countries

MIDDLE EAST 
 Saudi Arabia
  Iran
  Iraq
  UAE
  Qatar
  Bahrain
  Oman
  Kuwait
  Turkey
  Yemen
  Syria
  Jordan
  Cyprus
AFRICA
  Nigeria
  Algeria
  Angola
  South Africa
  Libya
  Egypt
  Sudan
  Equatorial Guinea
  The Republic Of Congo
  Gabon

NORTH AMERICA
  USA
  Canada
  Mexico
  Panama
  Costa Rica
  Puerto Rica
  Trinidad And Tobago
  Jamaica
  Bahamas
  Denmark
EUROPE  
Russia
  Norway
  Germany
  France
  Italy
  UK
  Spain
  Ukraine
  Netherland
  Belgium
  Greece
  Czech Republic
  Portugal
  Hungary
  Albania
  Austria
  Switzerland
  Slovakia
  Finland
  Ireland
  Croatia
  Slovenia
  Malta
ASIA  
India
  Singapore
  Malaysia
  Indonesia
  Thailand
  Vietnam
  South Korea
  Japan
  Sri Lanka
  Maldives
  Bangladesh
  Mayanmar
  Taiwan
  Cambodia
SOUTH AMERICA 
 Argentina
  Bolivia
  Brazil
  Chile
  Venezuela
  Colombia
  Ecuador
  Guyana
  Paraguay
  Uruguay

General Properties
Chemical Composition
Resistance to Corrosion
Physical Properties
Mechanical Properties
Oxidation Resistance
Heat Treatment
Fabrication
Welding

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