Pipa Alloy Steel SS304 ASTM A 312 SCH20, Pipa Alloy Steel SS304 ASTM A 312 SCH30, Pipa Alloy Steel SS304 ASTM A 312 SCH40, Pipa Alloy Steel SS304 ASTM A 312 STD, Pipa Alloy Steel SS304 ASTM A 312SCH80, Pipa Alloy Steel SS304 ASTM A 312 XS, Pipa Alloy Steel SS304 ASTM A 312 SCH60, Pipa Alloy Steel SS304 ASTM A 312 SCH80, Pipa Alloy Steel SS304 ASTM A 312 SCH120, Pipa Alloy Steel SS304 ASTM A 312 SCH140, Pipa Alloy Steel SS304 ASTM A 312 SCH160, Pipa Alloy Steel SS304 ASTM A 312 XXS,
Pipa Alloy Steel SS304 ASME SA 312 SCH20, Pipa Alloy Steel SS304 ASME SA 312 SCH30, Pipa Alloy Steel SS304 ASME SA 312 SCH40, Pipa Alloy Steel SS304 ASME SA 312 STD, Pipa Alloy Steel SS304 ASME SA 312 SCH80, Pipa Alloy Steel SS304 ASME SA 312 XS, Pipa Alloy Steel SS304 ASME SA 312 SCH60, Pipa Alloy Steel SS304 ASME SA 312 SCH80, Pipa Alloy Steel SS304 ASME SA 312 SCH120, Pipa Alloy Steel SS304 ASME SA 312 SCH140, Pipa Alloy Steel SS304 ASME SA 312 SCH160, Pipa Alloy Steel SS304 ASME SA 312 XXS