List of Piping and Tubing Standards

• AWS F4.1 – SAFE PRACTICES FOR THE PREPARATION OF CONTAINERS AND PIPING FOR WELDING, CUTTING, AND ALLIED PROCESSES
• AWS D18.2 – GUIDE TO WELD DISCOLORATION LEVELS ON INSIDE OF AUSTENITIC STAINLESS STEEL TUBE (LARGE) HISTORICAL
• AWS D10.8 – WELDING OF CHROMIUM-MOLYBDENUM STEEL PIPING AND TUBING
• AWS D18.1/D18.1M – SPECIFICATION FOR WELDING OF AUSTENITIC STAINLESS STEEL TUBE AND PIPE SYSTEMS IN SANITARY (HYGIENIC) APPLICATIONS (HISTORICAL)
• AWS D10.10/D10/10M – RECOMMENDED PRACTICES FOR LOCAL HEATING OF WELDS IN PIPING AND TUBING (HISTORICAL)
• AWS D10.11M/D10.11 – GUIDE FOR ROOT PASS WELDING OF PIPE WITHOUT BACKING
• AWS D10.12M/D10.12 – GUIDE FOR WELDING MILD STEEL PIPE
• AWS D10.13/D10.13M – RECOMMENDED PRACTICES FOR THE BRAZING OF COPPER TUBING AND FITTINGS FOR MEDICAL GAS SYSTEMS (HISTORICAL)
• AWS D10.14M/D10.14 – GUIDE FOR MULTIPASS ORBITAL MACHINE PIPE GROOVE WELDING
• AWS D10.18M/D10.18 – GUIDE FOR WELDING FERRITIC/AUSTENITIC DUPLEX STAINLESS STEEL PIPING AND TUBING
• AWS D10.22/D10.22M – SPECIFICATION FOR LOCAL HEATING OF WELDS IN CREEP STRENGTH-ENHANCED FERRITIC STEELS IN PIPING AND TUBING USING ELECTRIC RESISTANCE HEATING
• AWS D10.4 – PRINTING RECOMMENDED PRACTICES FOR WELDING AUSTENITIC CHROMIUM NICKEL STAINLESS STEEL PIPING AND TUBING
• AWS D10.6/D10.6M – RECOMMENDED PRACTICES FOR GAS TUNGSTEN ARC WELDING OF TITANIUM PIPING AND TUBING
• AWS D10.7M/D10.7 – GUIDE FOR THE GAS SHIELDED ARC WELDING OF ALUMINUM AND ALUMINUM ALLOY PIPE
• AWS B2.1-5A-222 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING OF CHROMIUM-MOLYBDENUM STEEL, (M-5A/P-5A), ER90S-B3, 1/8 THROUGH 1/2 INCH THICK, AS-WELDED CONDITION ; 1/8 THROUGH 3/4 INCH THICK (HISTORICAL)
• AWS B2.1-5A-223 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR SHIELDED METAL ARC WELDING OF CHROMIUM – MOLYBDENUM STEEL, (M-5A/P-5A), E9018-B3, 1/8 THROUGH 1/2 INCH THICK, AS-WELDED CONDITION 1/8 through 1-1/2 INCH THICK (HISTORICAL)
• AWS B2.1-5A-224 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING FOLLOWED BY SHIELDED METAL ARC WELDING OF CHROMIUM – MOLYBDENUM STEEL, (M-5A/P-5A) (HISTORICAL)
• AWS B2.1-5A-225 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING (CONSUMABLE INSERT ROOT) OF CHROMIUM-MOLYBDENUM STEEL, (M-5A/P-5A), 1/8 THROUGH 1/2 INCH THICK, AS-WELDED CONDITION (HISTORICAL)
• AWS B2.1-5A-226 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING (CONSUMABLE INSERT ROOT) FOLLOWED BY SHIELDED METAL ARC WELDING OF CHROMIUM-MOLYBDENUM STEEL, (M-5A/P-5A), 1/8 THROUGH 1/2 INCH THICK (HISTORICAL)
• AWS B2.1-8-212 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR; GAS TUNGSTEN ARC WELDING OF AUSTENITIC STAINLESS STEEL, (M-8/P-8/S-8, GROUP 1), 1/16 THROUGH 1-1/2 INCH THICK, ER3XX, AS-WELDED CONDITION
• AWS B2.1-8-213 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR SHIELDED METAL ARC WELDING OF AUSTENITIC STAINLESS STEEL, (M-8/P-8/S-8, GROUP 1), 1/8 THROUGH 1-1/2 INCH THICK, E3XX-XX, AS-WELDED CONDITION, PRIMARILY PIPE APPLICATIONS
• AWS B2.1-8-214 – STANDARD WELDING PROCEDURE SPECIFICATION FOR GAS TUNGSTEN ARC WELDING FOLLOWED BY SHIELDED METAL ARC WELDING OF AUSTENITIC STAINLESS STEEL, (M-8/P-8/S-8, GROUP 1), 1/8 THROUGH 1-1/2 INCH THICK, ER3XX AND E3XX-XX, AS-WELDED CONDITION
• AWS B2.1-8-215 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING WITH CONSUMABLE INSERT OF AUSTENITIC STAINLESS STEEL, (M-8/P-8/S-8, GROUP 1), 1/8 THROUGH 1-1/2 INCH THICK, IN3XX AND ER3XX, AS-WELDED CONDITION
• AWS B2.1-8-216 – STANDARD WELDING PROCEDURE SPECIFICATION FOR GTAW WITH CONSUMABLE INSERT ROOT FOLLOWED BY SHIELDED METAL ARC WELDING OF AUSTENITIC STAINLESS STEEL, (M-8/P-8/S-8, GROUP 1), 1/8 THROUGH 1-1/2 INCH THICK, IN3XX, ER3XX
• AWS B2.1-1-235 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR ARGON PLUS 2% OXYGEN SHIELDED GAS METAL ARC WELDING (SPRAY TRANSFER MODE) OF CARBON STEEL (M-1/P-1/S-1, GROUPS 1 AND 2), 1/8 THROUGH 1-1/2 INCH THICK, ER70S-3, FLAT POSITION ONLY (HISTORICAL)
• AWS B2.1-4-217 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING OF CHROMIUM – MOLYBDENUM STEEL, (M-4/P-4, GROUP 1 or 2), ER80S-B2, 1/8 THROUGH 1/2 INCH THICK, AS-WELDED
• AWS B2.1-4-218 – STANDARD WELDING PROCEDURE SPECIFICATION FOR SMAW OF CHROMIUM- MOLYBDENUM STEEL, (M-4/P-4, GROUP 1 or 2), E8018-B2, 1/8 THROUGH 1/2 INCH, AS-WELDED CONDITION; 1/8 THROUGH 1-1/2 INCH, PWHT CONDITION, PRIMARILY PIPE APPLICATIONS
• AWS B2.1-1-202 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR SHIELDED METAL ARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUP 1 OR 2), 1/8THROUGH3/4 INCH THICK, E6010 (VERTICAL DOWNHILL) FOLLOWED BY E7018 (VERTICAL UPHILL), AS-WELDED CONDITION
• AWS B2.1-4-219 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING FOLLOWED BY SHIELDED METAL ARC WELDING OF CHROMIUM- MOLYBDENUM STEEL, (M-4/P-4, GROUP 1 OR 2), 1/8 THROUGH 1/2 INCH THICK
• AWS B2.1-1-203 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR SHIELDED METAL ARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUP 1 OR 2), 1/8 THROUGH 3/4 INCH THICK, E6010 (VERTICAL UPHILL), AS-WELDED CONDITION
• AWS B2.1-4-220 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING (CONSUMABLE INSER ROOT) OF CHROMIUM-MOLYBDENUM STEEL, (M-4, P-4, GROUP 1 OR 2), 1/8 THROUGH 1/2 INCH THICK
• AWS B2.1-1-204 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR SHIELDED METAL ARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUP 1 OR 2), 1/8 THROUGH 3/4 INCH THICK, E6010 (VERTICAL DOWNHILL ROOT WITH THE BALANCE VERTICAL UPHILL), AS-WELDED CONDITION
• AWS B2.1-4-221 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING (CONSUMABLE INSERT ROOT) FOLLOWED BY SHIELDED METAL ARC WELDING OF CHORMIUM – MOLYBDENUM STEEL, (M-4/P-4, GROUP 1 OR 2)
• AWS B2.1-1-205 – STANDARD WELDING PROCEDURE SPECIFICATION FOR SMAW OF CARBON STEEL, (M-1/P-1/S-1, GROUP 1 OR 2), 1/8 THROUGH 1-1/2 INCH THICK, E6010 (VERTICAL UPHILL) FOLLOWED BY E7018 (VERTICAL UPHILL), AS-WELDED OR PWHT CONDITION
• AWS B2.1-1-206 – STANDARD WELDING PROCEDURE SPECIFICATION FOR SHIELDED METAL ARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUP 1 OR 2), 1/8 THROUGH 1-1/2 INCH THICK, E6010 FOLLOWED BY E7018 AS-WELDED OR PWHT CONDITION, PRIMARILY PIPE APPLICATIONS
• AWS B2.1-1-207 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUP 1 OR 2), 1/8 THROUGH 1-1/2 INCH THICK, ER70S-2, AS-WELDED OR PWHT CONDITION
• AWS B2.1-1-208 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR SHIELDED METAL ARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUP 1 OR 2), 1/8 THROUGH 1-1/2 INCH THICK, E7018, AS-WELDED OR PWHT CONDITION (PRIMARILY PIPE APPLICATIONS) HISTORICAL
• AWS B2.1-1-209 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING FOLLOWED BY SHIELDED METAL ARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUP 1 OR 2), 1/8 THROUGH 1-1/2 INCH THICK, ER70S-2AND E7018, AS-WELDED OR PWHT CONDITION
• AWS B2.1-1-210 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING WITH CONSUMABLE INSERTS OF CARBON STEEL, (M-1/P-1/S-1, GROUP 1 OR 2), 1/8 THROUGH 1-1/2 INCH THICK, INMS-1 AND ER70S-2, AS-WELDED OR PWHT CONDITION
• AWS B2.1-1-211 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING WITH CONSUMABLE INSERT ROOT FOLLOWED BY SHIELDED METALARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUP 1 OR 2), 1/8 THROUG1-1/2 INCH THICK, INMS-1, ER70S-2
• AWS B2.1-1-232 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR ARGON PLUS 25% CARBON DIOXIDE SHIELDED GAS METAL ARC WELDING (SHORT CIRCUITING TRANSFER MODE) FOLLOWED BY ARGON PLUS 25% CARBON DIOXIDE SHIELDED FLUX CORED ARC WELDING OF CARBON STEEL
• AWS B2.1-1-233 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR 75% ARGON PLUS 25% CARBON DIOXIDE SHIELDED GAS METAL ARC WELDING (SHORT CIRCUITING TRANSFER MODE) FOLLOWED BY 98% ARGON PLUS 2% OXYGEN
• AWS B2.1-1-234 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR ARGON PLUS 25% CARBON DIOXIDE SHIELDED FLUX CORED ARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUPS 1 and 2), 1/8 THROUGH 1-1/2 INCH THICK, E7XT-X, AS-WELDED OR PWHT CONDITION (HISTORICAL)
• AWS B2.1-1-002 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING OF CARBON STEEL (M-1/P-1, GROUP 1 OR 2), 3/16 INCH [5 MM] THROUGH 7/8 INCH [22 MM] THICK, ER70S-2 AND ER70S-3, IN THE AS-WELDED CONDITION, PRIMARILY PLATE AND STRUCTURAL APPLICATIONS
• AWS B2.1-1-201 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR SHIELDED METAL ARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUP 1 OR 2), 1/8 THROUGH 3/4 INCH THICK, E6010 (VERTICAL UPHILL) FOLLOWED BY E7018 (VERTICAL UPHILL), AS-WELDED CONDITION (HISTORICAL)
• AWS B2.1-1/8-230 – STANDARD WELDING PROCEDURE SPECIFICATION FOR GTAW WITH CONSUMABLE INSERT ROOT OF CARBON STEEL, (M-1/P-1/S-1, GROUPS 1 OR 2) TO AUSTENITIC STAINLESS STEEL (M-8/P-8/S-8, GROUP 1), 1/16 THROUGH 1-1/2 INCH THICK
• AWS B2.1-1/8-227 – STANDARD WELDING PROCEDURE SPECIFICATION FOR GTAW OF CARBON STEEL, (M-1/P-1/S-1, GROUPS 1 OR 2) TO AUSTENITIC STAINLESS STEEL (M-8/P-8/S-8, GROUP 1), 1/16 THROUGH 1-1/2 INCH THICK, ER309(L), AS-WELDED CONDITION
• AWS B2.1-1/8-228 – STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR SHIELDED METAL ARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUPS 1 or 2) TO AUSTENITIC STAINLESS STEEL (M-8/ P-8/S-8, GROUP 1), 1/8 THROUGH 1-1/2 INCH THICK, E309(L)-15, -16, or -17
• AWS B2.1-1/8-229 – STANDARD WELDING PROCEDURE SPECIFICATION FOR GTAW FOLLOWED BY SHIELDED METAL ARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUPS 1 OR 2) TO AUSTENITIC STAINLESS STEEL (M-8/P-8/S-8, GROUP 1), 1/8 THROUGH 1-1/2 INCH
• API 1104 – WELDING OF PIPELINES AND RELATED FACILITIES – 20TH EDITION