Technical	Material	Standard	Grade	Usage
SAW	Carbon Steel	API 5L PSL1&PSL2	GR.B,X42,X46,X52,X60,X65,X70 ,etc	Transportation of oil and gas
		ASTM A671	CB60,CB65, CC60,CC65,etc	Normal temperature, low temperature and high pressure applications (pressure vessels)
		ASTM A672	A45,A50,A55,B55,B60,B65,B70,etc	Medium and high temperature steel pipes
		ASTM A252	GR.1,GR.2,GR.3	For Structure (Piling)
		BS EN10210	S275JRH,S275J0H,S355J0H,S355J2H,etc
		BS EN10219	S275JRH,S275J0H,S355J0H,S355J2H,e