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Apr 13, 2026Spiral welded steel pipe (SSAW steel pipe) GB/T 3091GB/T 3091 is the Chinese national standard titled "Welded steel pipes for low pressure liquid delivery" . This standard explicitly includes spiral submerged arc welded (SSAW/SAWH) -
Apr 13, 2026Spiral welded steel pipe (SSAW steel pipe) GB/T 14291GB/T 14291 is the Chinese national standard for "Welded steel pipes for mine fluid service" . This standard specifically covers welded steel pipes used in mining applications for t -
Apr 13, 2026API 5L PSL2 B Double-sided submerged arc welding steel pipeAPI 5L PSL2 Grade B DSAW steel pipe is a carbon steel line pipe manufactured to the American Petroleum Institute specification. The "Grade B" designation indicates a minimum yield -
Apr 13, 2026API 5L PSL2 X42 Double-sided submerged arc welding steel pipeAPI 5L PSL2 Grade X42 DSAW steel pipe is a medium-strength line pipe manufactured to the American Petroleum Institute specification. The "X42" designation indicates a minimum yield -
Apr 13, 2026API 5L PSL2 X46 Double-sided submerged arc welding steel pipeAPI 5L PSL2 Grade X46 DSAW (Double-Sided Submerged Arc Welded) steel pipe is a medium-strength line pipe manufactured to the American Petroleum Institute specification for pipeline -
Apr 10, 2026API 5L PSL2 X52 Double-sided submerged arc welding steel pipeAPI 5L PSL2 Grade X52 DSAW (Double-Sided Submerged Arc Welded) steel pipe is a medium-strength line pipe for oil & gas transmission. X52 means minimum yield strength 52,000 psi (35 -
Apr 10, 2026API 5L PSL2 X56 DSAW Pipe: Specifications and ApplicationsAPI 5L PSL2 X56 DSAW pipe provides 390 MPa minimum yield strength with mandatory impact testing for medium-to-high pressure transmission. -
Apr 10, 2026API 5L PSL2 X60 Double-sided submerged arc welding steel pipeAPI 5L PSL2 Grade X60 DSAW (Double-Sided Submerged Arc Welding) steel pipe is a high-strength line pipe manufactured to the American Petroleum Institute specification for critical -
Apr 10, 2026API 5L PSL2 X65 Double-sided submerged arc welding steel pipeAPI 5L PSL2 Grade X65 DSAW (Double-Sided Submerged Arc Welding) steel pipe is a high-strength, low-alloy line pipe manufactured to the American Petroleum Institute specification fo -
Apr 10, 2026API 5L PSL2 X70 Double-sided submerged arc welding steel pipeAPI 5L PSL2 Grade X70 DSAW (Double-Sided Submerged Arc Welding) steel pipe is a premium high-strength, micro-alloyed line pipe manufactured to the American Petroleum Institute spec -
Apr 10, 2026API 5L PSL1 X70 Double-sided submerged arc welding steel pipeAPI 5L PSL1 Grade X70 DSAW (Double-Sided Submerged Arc Welding) steel pipe is a high-strength, micro-alloyed line pipe manufactured to the American Petroleum Institute specificatio -
Apr 10, 2026API 5L PSL1 X65 Double-sided submerged arc welding steel pipeAPI 5L PSL1 Grade X65 DSAW (Double-Sided Submerged Arc Welding) steel pipe is a high-strength carbon steel line pipe manufactured to the American Petroleum Institute specification
