q345 plaque d'acier allié
Description du produit
standard |
grade |
GB/T1591 |
Q345 Q390 Q420 Q460 |
GB1591 |
12Mn 15MnVN 16Mn 15MnV |
Q295(A,B),Q345(A,B,C,D,E) | |
JISG3106 |
SM520(B,C), SM570 |
DIN17100 |
St44-3, St37-2, St52-3, St50-2 St60-2, St70-2 |
BS4360 |
StE315, StE355, StE380, StE460, StE500, StE520 |
ISO4950-2 |
A572(Cr42,50,55,60,65) |
EN10025 |
S275(JR,JO,J2,J2G3,J2G4) |
S355(JR,JO,J2,J2G3,J2G4) | |
S420N,S420NL,S450JO,S460N | |
WH60,WH410LK(BB41BF) |
Standard |
grade |
specification |
use |
GB/T3274-2007 |
Q345A,B,C,D,E Q390A,B,C,D,E, Q420A,B,C,D,E Q460C,D,E AH60C,AH70 Q550 |
(Thick)6-120mm* (width)1100-3200mm* (length)6000-16000mm |
Steel structure,city buiding, mechanical production |
Production process |
Slab reheating→ hydraulic jet descaling → Blooming with 2 rolls→ Controlled cooling roller table→ Finishing with 4 rolls→ Hot straightening→ laminar flow cooling→ cold straightening→cold bed→ side crops→ crop end→ lowering from the frame
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Application |
Makes mechanical device and other structural elements like drilling machine, power shovel, electricity drive wheel counter-mine trolley, mineral product automobile, excavator, car loader, bulldozer, each kind of hoist crane, coal mine hydraulic pressure support which were widely used in workshop, the general construction and each kind of project machinery, like the mine and each kind of project construction.
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\ n \ n Pays d'exportation: \ n 
\ n façon d'emballage: \ n 
\ n Certification: \ n 
\ n \ n Groupes de Produits : Plaque d'acier au carbone / alliage > Plaque d'alliage
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