Longma sells hundreds of thousands of tons of steel pipes every year.
Quality is the fundamental reason for our success.
ERW/EFW steel pipe
Out Diameter: 60.3-660.4mm(2″-26″)
Wall Thickness: 4-25mm
Length: 3-18 meters
Standard:
API 5L(ISO 3183) PSL1/PSL2:GR.B-X80;
ASTM A53:GR.A/B;
ASTM A500: GR.A/B;
ASTM A252: GR.1/2/3′
EN10210/EN10219: S235/S275/S355JRH/J0H/J2H;
AS/NZS 1163-2016: C250/C250L0, C350/C350L0, C450/C450L0.