Q235B High-rise residential special steel structure under GB standard , more information about Q235B High-rise residential special steel structure , please see the following :
Q235B High-rise residential special steel structure Technological properties
Annealing hardness HBS |
Cold pull hardness HBS |
Preheating temperature ℃ |
Quenching temperature ℃ |
Holding time min |
Hardening medium | Temper temperature ℃ |
After tempering hardness ≥HRC |
|
salt-bath furnace | controlled atmosphere furnace | |||||||
235 | 262 | 788 | 1191 | 1204 | 5~15 | air cooling | 522 | 60 |
Q235B High-rise residential special steel structure Processing technique :
1. Heat treatment facilities for hot-rolled, controlled rolling, normalizing,
2. Annealing, tempering, quenching, normalizing plus tempering, quenching and tempering,
3. Other delivery states are available as customers' requirement
Q235B High-rise residential special steel structure Delivery condition
As per customer's requirement: hot rolled, controlled rolling, normalizing, annealing,
tempering, thermal refining, normalizing& tempering, etc.
Katalor Enterprises is a Q235B High-rise residential special steel structure supplier in CHina , any need in Q235B High-rise residential special steel structure , please contact us!
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