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■ Overview
Xinsteel stockholder GB/T5310 specifications grade 07Cr25Ni21NbN seamless steel pipes,07Cr25Ni21NbN stainless steel tubes,07Cr25Ni21NbN stainless steel pipes,07Cr25Ni21NbN boiler steel tubes with varies wall thickness and nominal diameters.These stainles steel pipes 07Cr25Ni21NbN are mainly used in Steam Boilers,Power Generation,Fossil Fuel Plants,Electric Power Plants,Industrial Processing Plants,Cogeneration Facilities.
■ Full Data
Technical Requirements & Additional Services:
♦ Solution Treatment at Min.1100 Deg.C
♦ Flattening test according to GB/T 246
♦ Bending test comply to GB/T 232
♦ Solution Treatment at Min.1100 Deg.C
♦ Flattening test according to GB/T 246
♦ Bending test comply to GB/T 232
♦ Expansion test comply to GB/T 242
♦ Microstructure examination comply to GB/T 13298
♦ Issued Orginal Mill test certificate under 3.1/3.2 FORMAT
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime
♦ Microstructure examination comply to GB/T 13298
♦ Issued Orginal Mill test certificate under 3.1/3.2 FORMAT
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime
■ Techicals
►Mechnical property for 07Cr25Ni21NbN stainless steel pipes:
|
07Cr25Ni21NbN |
|
|
Yield strength (≥Mpa) |
295 |
|
Tensile strength (≥Mpa) |
655 |
►Chemical composition for07Cr25Ni21NbN stainless steel pipes (Heat Analysis Max%)
|
Main chemical elements composition of 07Cr25Ni21NbN |
|||||
|
C |
Si |
Mn |
P |
S |
Cr |
|
0.04-0.10 |
0.75 |
2.00 |
0.030 |
0.015 |
24.0-26.0 |
|
Ni |
Cu |
Nb |
N |
- |
- |
|
19.0-22.0 |
0.25 |
0.2-0.6 |
0.15-0.35 |
|
|
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