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■ Overview
China steel supplier inventory varies sizes stock for Grade 20 Seamless Steel Pipe,20 SMLS pipe,Grade 20 seamless tube with good surface condition.In this chinese steel specification GB/T 8163,there are other relative steel grades as 10 seamless steel pipe.Q215A seamless steel pipe,Q345B seamless steel tube,Q355D seamless steel tube.
■ Full Data
Technical Requirements & Additional Services for Grade 20 Seamless Steel Pipe:
♦ Galvanized coating according to GB/T 13912
♦ Out Diameter and Nominal wall thickness according to GB/T 17395
♦ Ultrasonic test under GB/T 5777,EN 10160,ASTM A435,A577,A578
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime.
♦ Galvanized coating according to GB/T 13912
♦ Out Diameter and Nominal wall thickness according to GB/T 17395
♦ Ultrasonic test under GB/T 5777,EN 10160,ASTM A435,A577,A578
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime.
■ Techicals
►Mechnical property for Grade 20 Seamless Steel Pipe:
|
20# |
|
|
Yield strength (≥Mpa) |
245 |
|
Tensile strength (≥Mpa) |
410 |
►Chemical composition for Grade 20 Seamless Steel Pipe (Heat Analysis Max%)
|
Main chemical elements composition of 20# |
|||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
|
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.25 |
0.30 |
0.25 |
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