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■ Overview
In chinese specificaiton GB/T 5310,there is one high tensile strength grade 15Ni1MnMoNbCu seamless steel tubes with 620-780Mpa.Xinsteel keeps all diameters stock for these alloy seamless steel pipes.These stock pipes can be ready for shipment at our port within 3 days.
■ Full Data
Technical Requirements & Additional Services:
♦ Normalized at Temp.880-980 Deg.C and Tempered Heat treatment at Temp.610-680 Deg.C
♦ Flattening test according to GB/T 246
♦ Bending test comply to GB/T 232
♦ Normalized at Temp.880-980 Deg.C and Tempered Heat treatment at Temp.610-680 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 15Ni1MnMoNbCu boiler steel pipes:
|
15Ni1MnMoNbCu |
|
|
Yield strength (≥Mpa) |
440 |
|
Tensile strength (≥Mpa) |
620-780 |
►Chemical composition for15Ni1MnMoNbCu boiler steel pipes (Heat Analysis Max%)
|
Main chemical elements composition of 15Ni1MnMoNbCu |
||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Alt |
|
0.10-0.17 |
0.25-0.50 |
0.80-1.20 |
0.025 |
0.015 |
0.30 |
0.05 |
|
Cu |
Ni |
Mo |
V |
Nb |
N |
W |
|
0.50-0.80 |
1.00-1.30 |
1.00-1.20 |
0.02 |
0.015-0.045 |
0.020 |
- |
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