20MnNb6 seamless steel pipe Chemical composition
20MnNb6 seamless steel pipe is a kind of material for boiler and pressure vessel steel. So, 20MnNb6 seamless steel pipe is used above all for manufacturing boilers, pressure vessels and pipes transporting hot liquids.
20MnNb6 seamless steel pipe/tube Chemical composition %
C |
Si |
Mn |
P |
S |
Nb |
Al |
Cu |
|
max 0.22 |
0.15 - 0.35 |
1 - 1.5 |
max 0.025 |
max 0.02 |
0.015 - 0.1 |
max 0.06 |
max 0.3 |
20MnNb6 seamless steel pipe/tube Mechanical properties
Annealing hardness HBS |
Cold pull hardness |
Preheating temperature |
Quenching temperature |
Holding time |
Hardening medium |
Temper temperature |
After tempering hardness |
|
|
salt-bath furnace |
controlled atmosphere furnace |
|||||||
|
235 |
262 |
788 |
1191 |
1204 |
5～15 |
air cooling |
522 |
60 |
20MnNb6 seamless steel pipe specifications
EN 10216-2 20MnNb6 seamless pressure pipe
1. OD: 21.3-711mm
2. WT:2.3-100mm
3. L: 5.8M/6M/11.8M
4. MOQ: 25Tons
20MnNb6 seamless steel pipe advantage:
Superior tensile strength and toughness,High strength to weight ratio,Easily heat treatable to a broad range of strength, machinability, and hardness,which are widely used for many general purpose applications that require high tensile strength and toughness.
Katalor Enterprises has established a full set of strict quality control system,advanced manufacturing technics and equipments. As a 20MnNb6 seamless steel pipe stockist and supplier, if you have any demand of 20MnNb6 seamless steel pipe price, please do not hesitate to contact us .
