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91. Black Spiral Welded Carbon Steel Pipe High Quality for Global Engineering Buyers 
[May 26, 2026]
[May 26, 2026] Product Description Product Name Welded Carbon Steel Pipes/Tubes Standard ASTM EN DIN GB NF ROCT ISO JIS IS KS Material Q195,Q215,Q235,Q345,ASTM1010,ASTM1020,ASTM1045 ,A36, 1 6Mn, Grade B ,Grade C,Grade D ...
92. CE Certified P235tr1 Welded Carbon Steel Pipe for Chemical Industrial Fluid Transport [May 26, 2026]
[May 26, 2026] Product Description Product Name Welded Carbon Steel Pipes/Tubes Standard ASTM EN DIN GB NF ROCT ISO JIS IS KS Material Q195,Q215,Q235,Q345,ASTM1010,ASTM1020,ASTM1045 ,A36, 1 6Mn, Grade B ,Grade C,Grade D ...
93. SGS BV Certified St52-3 Welded Carbon Steel Pipe for Mechanical Engineering Structure [May 26, 2026]
[May 26, 2026] Product Description Product Name Welded Carbon Steel Pipes/Tubes Standard ASTM EN DIN GB NF ROCT ISO JIS IS KS Material Q195,Q215,Q235,Q345,ASTM1010,ASTM1020,ASTM1045 ,A36, 1 6Mn, Grade B ,Grade C,Grade D ...
94. Q235D LSAW Longitudinal Welded Carbon Steel Pipe High Pressure Industrial Use [May 26, 2026]
[May 26, 2026] Product Description Product Name Welded Carbon Steel Pipes/Tubes Standard ASTM EN DIN GB NF ROCT ISO JIS IS KS Material Q195,Q215,Q235,Q345,ASTM1010,ASTM1020,ASTM1045 ,A36, 1 6Mn, Grade B ,Grade C,Grade D ...
95. Q345D Impact Resistant Welded Carbon Steel Pipe for Heavy Duty Infrastructure [May 26, 2026]
[May 26, 2026] Product Description Product Name Welded Carbon Steel Pipes/Tubes Standard ASTM EN DIN GB NF ROCT ISO JIS IS KS Material Q195,Q215,Q235,Q345,ASTM1010,ASTM1020,ASTM1045 ,A36, 1 6Mn, Grade B ,Grade C,Grade D ...
96. Hot Dipped Galvanized Welded Carbon Steel Pipe for Outdoor Building Structure [May 26, 2026]
[May 26, 2026] Product Description Product Name Welded Carbon Steel Pipes/Tubes Standard ASTM EN DIN GB NF ROCT ISO JIS IS KS Material Q195,Q215,Q235,Q345,ASTM1010,ASTM1020,ASTM1045 ,A36, 1 6Mn, Grade B ,Grade C,Grade D ...
97. 16Mn Hot Rolled Welded Carbon Steel Pipe Custom Size for Industrial Structure [May 26, 2026]
[May 26, 2026] Product Description Product Name Welded Carbon Steel Pipes/Tubes Standard ASTM EN DIN GB NF ROCT ISO JIS IS KS Material Q195,Q215,Q235,Q345,ASTM1010,ASTM1020,ASTM1045 ,A36, 1 6Mn, Grade B ,Grade C,Grade D ...
98. ST37-2 Standard Welded Carbon Steel Pipe for Overseas Construction Supply [May 26, 2026]
[May 26, 2026] Product Description Product Name Welded Carbon Steel Pipes/Tubes Standard ASTM EN DIN GB NF ROCT ISO JIS IS KS Material Q195,Q215,Q235,Q345,ASTM1010,ASTM1020,ASTM1045 ,A36, 1 6Mn, Grade B ,Grade C,Grade D ...
99. ST52 High Strength Welded Carbon Steel Pipe for Machinery Manufacturing Works [May 26, 2026]
[May 26, 2026] Product Description Product Name Welded Carbon Steel Pipes/Tubes Standard ASTM EN DIN GB NF ROCT ISO JIS IS KS Material Q195,Q215,Q235,Q345,ASTM1010,ASTM1020,ASTM1045 ,A36, 1 6Mn, Grade B ,Grade C,Grade D ...
100. 45# High Hardness Welded Carbon Steel Pipe for Auto Mechanical Structure Use [May 26, 2026]
[May 26, 2026] Product Description Product Name Welded Carbon Steel Pipes/Tubes Standard ASTM EN DIN GB NF ROCT ISO JIS IS KS Material Q195,Q215,Q235,Q345,ASTM1010,ASTM1020,ASTM1045 ,A36, 1 6Mn, Grade B ,Grade C,Grade D ...
101. ASTM A53 Grade B Welded Carbon Steel Pipe for Water Pipeline Transport [May 26, 2026]
[May 26, 2026] Product Description Product Name Welded Carbon Steel Pipes/Tubes Standard ASTM EN DIN GB NF ROCT ISO JIS IS KS Material Q195,Q215,Q235,Q345,ASTM1010,ASTM1020,ASTM1045 ,A36, 1 6Mn, Grade B ,Grade C,Grade D ...
102. S235jr Industrial Welded Round Carbon Steel Pipe for Mechanical Fabrication [May 26, 2026]
[May 26, 2026] Product Description Product Name Welded Carbon Steel Pipes/Tubes Standard ASTM EN DIN GB NF ROCT ISO JIS IS KS Material Q195,Q215,Q235,Q345,ASTM1010,ASTM1020,ASTM1045 ,A36, 1 6Mn, Grade B ,Grade C,Grade D ...
103. Carbon Welded Square Hollow Section Steel Pipe for Engineering Structure Use [May 25, 2026]
[May 25, 2026] Product Description Product Name Carbon Steel Pipe/Tube MOQ 1 TON Pipe Type Welded Manufacturing Technique Hot Rolled,Hot expansion,Cold Drawn, Cold Rolled Tempered, Normalized, Sour service or as ...
104. Mill Test Q235B Welded Carbon Steel Square Pipe Building Steel Hollow Section [May 25, 2026]
[May 25, 2026] Product Description Product Name Carbon Steel Pipe/Tube MOQ 1 TON Pipe Type Seamless Manufacturing Technique Hot Rolled,Hot expansion,Cold Drawn, Cold Rolled Tempered, Normalized, Sour service or as ...
105. CE SGS Certified Q195 Welded Carbon Steel Square Pipe for Construction Framework [May 25, 2026]
[May 25, 2026] Product Description Product Name Carbon Steel Pipe/Tube MOQ 1 TON Pipe Type Seamless Manufacturing Technique Hot Rolled,Hot expansion,Cold Drawn, Cold Rolled Tempered, Normalized, Sour service or as ...
