With Hydraulic Testing, Ultrasonic testing or X-ray Test
Certificate
ISO9001;2000
Date of Delivery
Less Than 15/20/25/30/40/50/60 Days According To The Quantity
Payment:
L/C or T/T
Grade
C,max
Mn, max
P,max
S,max
Cu*,max
Ni*, max
Cr*, max
Mo*, max
V*, max
Type S (Seamless)
A
0.25
0.95
0.05
0.05
0.4
0.4
0.4
0.15
0.08
B
0.3
1.2
0.05
0.05
0.4
0.4
0.4
0.15
0.08
Type E (Electric-resistance Welded)
A
0.25
0.95
0.05
0.05
0.4
0.4
0.4
0.15
0.08
B
0.3
1.2
0.05
0.05
0.4
0.4
0.4
0.15
0.08
Type F (Furnace-welded)
A
0.3
1.2
0.05
0.05
0.4
0.4
0.4
0.15
0.08
*The total composition for these five elements shall not exceed 1.00%Express (Sample Delivery), Air, Rail, Land, Sea shipping (FCL or LCL or Bulk)ASTM A53 Grade B is the material under the American steel pipe standard, API 5L Gr.B is also the American standard material, A53 GR.B ERW refers to the electric resistance welded steel pipe of A53 GR.B; API 5L GR.B Welded refers to the material Welded steel pipe of API 5L GR.B.A53 pipe comes in three types (F, E, S) and two grades (A, B).A53 Type F is manufactured with a furnace butt weld or may have a continuous weld (Grade A only)A53 Type E has an electric resistance weld (Grades A and B)A53 Type S is a seamless pipe and found in Grades A and B)ASTM A53 pipe (also called ASME SA53 pipe) is designed for mechanical and pressure applications, and is also suitable for general use in steam, water, gas and air lines. It is suitable for welding and forming operations including winding, bending and flanging, subject to certain requirements.A.Chemical composition in % For API 5L PSL1
ASTM A53 Grade B is the material under the American steel pipe standard, API 5L Gr.B is also the American standard material, A53 GR.B ERW refers to the electric resistance welded steel pipe of A53 GR.B; API 5L GR.B Welded refers to the material Welded steel pipe of API 5L GR.B. A53 pipe comes in three types (F, E, S) and two grades (A, B). A53 Type F is manufactured with a furnace butt weld or may have a continuous weld (Grade A only) A53 Type E has an electric resistance weld (Grades A and B) A53 Type S is a seamless pipe and found in Grades A and B) ASTM A53 pipe (also called ASME SA53 pipe) is designed for mechanical and pressure applications, and is also suitable for general use in steam, water, gas and air lines. It is suitable for welding and forming operations including winding, bending and flanging, subject to certain requirements.
A.Chemical composition in % For API 5L PSL1 
