Commodity

Items

Standard

Steel grade

O.D.&W.T. range

Casing/Line Pipes

ERW

API 5CT

API 5L/ASTM A53/A106

EN10255

GB/T9711.1

A25,A,B,X42,X46,X52,X56,X60,X65,X70

S235J2H,S355J2H

10#,20#,Q295,Q345,GrAGrB,

GrC,Q235B,Q345B,SS400

0.405’’-12.75’’

X 2.4mm-31.8mm

SSAW

219mm-3000mm

X 6mm-22mm

LSAW

406.4mm-1422.4mm

X 6.4mm-38.4mm

Tubes for Structural Purposes & Ordinary Pipe

Square steel tube

GB/T 3091

GB/T 6728

JIS G 3444

ASTM A513

ASTM A500

BS 1387

EN 10219

Q195,Q215,Q235,Q345

GR.A, GR.B, GR.C

St37,st52

S235J2H,S355J2H

20*20-400*400mm

X 1.0mm-16mm

Rectangular steel tube

30*20-500*300mm

X 1.0mm-16mm

Round pipe

1/2inch-60inch

X 1.0mm-30mm

Hot-dip Galvanized Pipe

Round

BS 1387

ISO 65

ASTM A53

EN 10240

GB/T 3091

Q195,Q215,Q235,Q345

GR.A, GR.B, GR.C

St37,st52

S235J2H,S355J2H

1/2’’-8’’

X 1.0mm-12.7mm

Square and Rectangular

20*20-300*500mm

X 1.0mm-16mm