Product Details
1. General used seamless steel pipe ASTM A53 GR.B, steel: SA53 B,
Size: 1/4"-28", 13.7-711.2mm.
2. High pressure used boiler carbon steel seamless pipes ASTM A106 GR. B, steel: SA106B, Size: 1/4"-28", 13.7-711.2mm.
3. carbon steel seamless pipes 20# steel same as ASTM A106/A53/API 5L GR. B, steel: B, size: 1/4"-24", 13.7-610mm