GB Standard |
Description |
Version |
---|---|---|
GB/T 12459 |
Steel Butt-Welding Seamless Pipe Fittings |
2005 |
GB/T 13401 |
Steel Plate Butt-Welding Pipe Fittings |
2005 |
GB/T 9123 |
Steel pipe blank flanges |
2010 |
GB/T 9115 |
Steel pipe welding neck flanges |
2010 |
GB/T 4622.2 |
Dimensions for spiral wound gaskets for pipe flanges |
2008 |
GB/T 9125 |
Fasteners for pipe flange joints |
-- |
GB/T 6170 |
Hexagon nuts, style 1 |
-- |
GB/T 95 |
Plain washers - Product Grade C |
2002 |
GB 5310 |
Seamless steel tubes and pipes for high pressure boiler |
2008 |
GB/T 17395 |
Dimensions, shapes, masses and tolerances of seamless steel tubes |
2008 |
GB/T 21835 |
Dimensions and masses per unit length of welded steel pipes |
2008 |
GB/T 3091 |
Welded Steel Pipes for Low Pressure Liquid Delivery |
2008 |
SY/T 6475 |
Dimensions and masses per unit length of steel pipe for petroleum and natural gas |
2000 |
SY/T 5037 |
Spiral Submerged Arc-Welded Steel Pipe for Pipelines for Low Pressure Fluid Service |
2012 |