All of GK steel pipe and fitting can be supplied cut to your specifications due to our own production lines and professional design team. Whether it is one piece or one hundred pieces, you will find our pricing competitive with prompt deliveries.
GK-has-7-large-scale steel pipe production lines, which enable GK to customize various steel pipes of different models, different lengths , different thicknesses , different materials and different standards to meet the different needs of customers, producing the diameter ranges of steel pipes, straight seam welded pipes with a diameter range of 325mm to 1820mm, seamless steel pipes with a diameter range of 15mm to 630mm, welded pipes with a diameter range of 15mm to 273mm, and spiral steel pipes with a diameter range of 219mm to 2220mm. The above steel pipes can be customized with national standards, non-national standards, or custom diameter sizes, delivered at a fixed scale, ranging from 1 to 12 meters.
The production standards of steel pipes The production standards of straight seam steel pipes:
GB / T9711 series GB / T3091 series ASTM series API 5L series The production standards of seamless steel pipes:
GB / T8163 series GB / T5037 series GB / T9948 series GB / T6479 series ASTM series API 5L series The production standards of spiral steel pipes:
GB / T9711 series SY / T5037 series ASTM series.