Stainless Steel Tube Specifications

Spec. No.	Title	Scope
ASTM A 213 ASME SA 213	Seamless Ferritic Stainless Steel and Austenitic Stainless Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes.	Pressure tubes, made from 16 grades of austenitic stainless steel and from 12 grades of ferritic Cr-Mo Alloy Steel.
ASTM A 249 ASME SA 249	Welded Austenitic Stainless Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes.	Pressure tubes, made from austenitic stainless steels, (Types 304, 304H, 304L, 305, 309, 310, 316, 316H, 316L, 317, 321, 321H, 347, 347H, 348, 348H, and XM grades.)
ASTM A 268 ASME SA 268	Seamless and Welded Ferritic Stainless Steel Tubing for General Service.	15 grades of ferritic stainless steel tubing for general corrosion resistance and high temperature service. (Types 329, 405, 409, 410, 429, 430, 430Ti, 443, 446, XMs & others).
ASTM A 269	Seamless and Welded Austenitic Stainless Steel Tubing for General Service.	13 grades of austenitic stainless steel tubing for general corrosion-resisting and high-temperature service. (Types 304, 304L, 316, 316L, 317, 321, 347, 348 and XM grades).
ASTM A 270	Seamless and Welded Austenitic Stainless Steel Sanitary Tubing.	Austenitic stainless steel tubing intended for use in the diary and food industry in sizes up to and including 4 in. in outside diameter.
ASTM A 312 ASME SA 312	Seamless and Welded Austenitic Stainless Steel Pipe.	Austenitic stainless steel pipe intended for high temperature and general corrosive service. 22 grades are covered.
ASTM A 358 ASME SA 358	Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service.	For corrosion and high temperature service, normally not less than 8 in. nominal diameter. Types 304, 316, 309, 310, 321, 347, 304L, 316L, 304H, 316H.
ASTM A 376 ASME SA 376	Seamless Austenitic Stainless Steel Pipe for High-Temp Central-Station Service.	Austenitic stainless steel pipe intended for high temperature and general corrosive service. Better surface than A312 pipe.
ASTM A 409 ASME SA 409	Welded Large Outside Diameter Light Wall Austenitic Chromium-Nickel Alloy Steel Pipe for Corrosive or High Temperature Service.	Nominal diameter 14-30 in. in Schedules 5S and l0S. Types 304, 309, 310, 316, 317, 321, 347, 348, 304L, 316L.
ASTM A 450 ASME SA 450	General requirements for Alloy Steel Tubes.	Common requirements for ASTM tubular specifications.
ASTM A 511	Seamless Stainless Steel Mechanical Tubing.	27 grades are covered for mechanical applications. Primarily round tubing.
ASTM A 530 ASME SA 530	General Requirements for Carbon, Ferritic Alloy, and Austenitic Alloy Steel Pipe.	Common requirements for ASTM pipe specifications as listed.
ASTM A 554	Welded Stainless Steel Mechanical Tubing.	Nineteen grades are covered for mechanical applications. Rounds, squares, rectangles, and special shapes are included.
ASTM A 632	Seamless and Welded Austenitic Stainless Steel Tubing for General Service. Small Diameter.	9 grades of austenitic stainless steel tubing for general corrosion-resisting and high-temperature service.
AMS 556	Steel Tubing, Corrosion and Heat Resistant 18 Cr; 11 Ni; (Cb + Ta) (SAE 30347) Hydraulic.	Annealed type 321 hydraulic line tubing. Type 1-Seamless Type 2-Welded & Drawn
AMS 5557	Steel Tubing, Corrosion and Heat Resistant 18 Cr; 11 Ni; Ti (SAE 30321)Hydraulic	Annealed type 347 hydraulic line tubing. Type 1-Seamless Type 2-Welded & Drawn
AMS 5558	Steel Tubing, Welded, Corrosion and Heat Resistant 18 Cr; 11 Ni, (Cb + Ta)(SAE 30348) Thin Wall.	High pressure ducting, wall thickness 2% of O.D. or less. Weld bead controlled, X-ray.
AMS 5559	Steel Tubing, Welded, Corrosion and Heat Resistant 18 Cr, 10 Ni, Ti, (SAE 30321) Thin Wall.	High pressure ducting, wall thickness 2% of O.D. or less. Weld bead controlled, X-ray.
AMS 5560	Steel Tubing, Seamless Corrosion Resistant 19 Cr; 9 Ni (SAE 30304).	Annealed type 304 aircraft hydraulic fine tubing. (Not subject to high pressure). Structural.
AMS 5561	Steel Tubing, Welded and Drawn Corrosion Resistant 21 Cr; 6 Ni; 9 Mn High Pressure Hydraulic.	For parts and assemblies such as fluid lines subject to high pressure and requiring corrosion resistance. 1/8 - 1/4 Hard.
AMS 5562	Steel Tubing, Seamless Corrosion Resistant 21 Cr; 6 Ni; 9 Mn Annealed.	Parts and assemblies requiring both corrosion and heat resistance, and having higher strength than 18-8 types.
AMS 5565	Steel Tubing, Welded, Corrosion Resistant 19 Cr; 6 Ni (SAE 30304).	Annealed type 304 aircraft hydraulic line tubing. (Not subject to high pressure), Structural.
AMS 5566	Steel Tubing, Seamless or Welded Corrosion Resistant 19 Cr; 10 N (SAE 30304) High Pressure Hydraulic	Cold drawn type 304, high pressure, aircraft hydraulic line tubing. 1/8 hard. Type 1óSeamless Type 2óWelded & Drawn
AMS 5567	Steel Tubing, Seamless or Welded Corrosion Resistant 19Cr; 10 Ni (SAE 30304) Hydraulic, Solution Treated.	Fluid lines subject to medium high pressures requiring corrosion resistance. Annealed.(1) Seamless (2) Welded & Drawn
AMS 5570	Steel Tubing, Seamless Corrosion and Heat Resistant 18 Cr; 10 Ni; Ti (SAE 30321). Annealed Structural.	Parts and assemblies requiring both corrosion and heat resistance especially when such parts are welded during fabrication. Requiring oxidation resistance up to approximately 1500?F, but useful at that temperature only when stresses are low.
AMS 5571	Steel Tubing, Seamless Corrosion and Heat Resistant 18 Cr; 11 Ni; (Cb + Ta) (SAE 30347). Annealed Structural.	Parts and assemblies requiring both corrosion and heat resistance especially when such parts are welded during fabrication. Requiring oxidation resistance up to approximately 1500?F, but useful at that temperature only when stresses are low.
AMS 5572	Steel Tubing, Seamless Corrosion and Heat Resistant 25 Cr; 20 Ni (SAE 30310). Annealed Structural.	Parts and assemblies requiring both corrosion and heat resistance especially when welded during fabrication, Requiring oxidation resistance up to approximately 2000?F, but useful at that temperature only when stresses are low.
AMS 5573	Seamless Type 316 Annealed Structural	Parts & assemblies requirinq,,both corrosion and heat resistance up to 1600?F.
AMS 5574	Seamless Type 309S Annealed Structural	Parts & assemblies requiring both corrosion and heat resistance up to 2000?F, especially welded assemblies.
AMS 5575	Steel Tubing, Seamless Corrosion and Heat Resistant 18 Cr; 11 Ni; (Gb + Ta) (SAE 30347). Annealed Structural.	Parts and assemblies requiring both corrosion and heat resistance especially when such parts are welded during fabrication. Requiring oxidation resistance up to approximately 1500?F, but useful at that temperature only when stresses are low.
AMS 5576	Steel Tubing. Welded, Corrosion and Heat Resistant 18 Cr; 10 Ni; Ti (SAE 30321). Annealed Structural.	Parts and assemblies requiring both corrosion and heat resistance especially when such parts are welded during fabrication. Requiring oxidation resistance up to approximately 1500?F, but useful at that temperature only when stresses are low.
AMS 5577	Steel Tubing, Welded, Corrosion and Heat Resistant 25 Cr; 20 Ni; (SAE 30310). Annealed Structural.	Parts and assemblies requiring both corrosion and heat resistance especially when welded during fabrication. Requiring oxidation resistance up to approximately 2000?F, but useful at that temperature only when stresses are low.
AMS 5639	Seamless Type 304	Cold Finished Mechanical Tube Rockwell 90B max Hardness Corrosion Embrittlement Capability
AMS 5645	Seamless Type 321	Cold Finished Mechanical Tube Rockwell 90B max Hardness Corrosion Embrittlement Capability
AMS 5546	Seamless Type 347	Cold Finished Mechanical Tube Rockwell 90B max Hardness Corrosion Embrittlement Capability
AMS 5647	Seamless Type 304L	Cold Finished Mechanical Tube Rockwell 90B max Hardness Corrosion Embrittlement Capability
AMS 5648	Seamless Type 316	Cold Finished Mechanical Tube Rockwell 90B max Hardness
MIL-T-5695	Tubing, Steel, Corrosion Resistant, (304) Cold Drawn (1/2 or 1/4 Hard) Smls or W&D.	Intended for use in the fabrication of aircraft structural parts requiring a high degree of resistance to corrosion.
MIL-T-6737 (T 321)	Tubing, Steel, Corrosion and Heat Resistant (18-8 Stabilized), Welded.Annealed.	Type 321 and 347 tubing intended for use in the manufactured exhaust-stacks, manifolds, blast tubes, ring collectors and similar applications where a weldable corrosion and heat resisting steel is required or for use at 8000 - 1500?F.
MIL-T-6845 (T304)	Tubing, Steel, Corrosion Resistant (304) Aerospace Vehicle Hydraulic System. 1/8 Hard, Seamless, Welded & Drawn.	Intended for use in high pressure hydraulic and pneumatic systems in which corrosion resistant materials are required. The tubing is not suitable for use in applications assembled by welding or brazing or exposed to temperatures higher than 800?F, because of impaired resistance to corrosion, where subsequent anneal not possible.
MIL-T-8504 (T 304)	Tubing, Steel, Corrosion Resistant (18-8) Annealed, Aircraft Hydraulic System. Seamless, Welded.	Intended for use in high pressure hydraulic and pneumatic systems in which corrosion resistant materials are required. This tubing is of lower strength and higher ductility than tubing to Specification MIL-T-6845. May be used to replace MIL-T-6845 tubing but heavier wall thicknesses must be used:Same qualifications regarding welding, brazing & temperature.
MIL-T-8506 (T 304)	Tubing, Steel, Corrosion Resistant, (304) Annealed, Seamless, Welded.	Intended for use in the fabrication of aircraft parts requiring a high degree of resistance to corrosion. Not to be used in high pressure hydraulic control systems.
MILT 8606 (T 304L) (T 321) (T 347)	Tubing, Steal, Corrosion Resistant (18-8 Stabilized). Annealed. Seamless, Welded & Drawn.	Intended for use in applications which require a high degree of resistance to corrosion or to temperatures in the range of 800?F-1500?F. or in applications which involve welding. Suitble for use in tank-automotive equipment for hydraulic and mechanical applications.
MlL-T-8808 (T 321) (T 347)	Tubing, Steel, Corrosion Resistant (l8-8 Stabilized), Aircraft Hydraulic Quality. Annealed, Seamless, Welded & Drawn.	Intended for use in high pressure hydraulic and pneumatic systems where corrosion and heat resistance are required and in which welding or brazing may be involved during fabrication. Resists oxidation at temperatures to 1200?F, but is useful at that temperature only when stresses are low.
MIL-T4973 (T 304L) (T 316L) (T 321) (T 347)	Tubing, Steel, Corrosion Resistant, Aerospace Vehicle Hydraulic System. 1/8 Hard. Seamless, Welded & Drawn.	Intended for use in high pressure hydraulic and pneumatic systems where corrosion and heat resistance are required and in which welding or brazing may be involved during fabrication. Suitable for use in temperatures to 1200?F, when stresses are low.
MIL-P-1144 (T 304) (T 304L) (T 316) (T 316L) (T 321) (T 347)	Pipe, Stainless Steel, (Corrosion Resisting). Seamless or Welded. Annealed.	Pipe is intended for high-temperature and hydraulic br other pressure service under general corrosive conditions.

The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes.

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