|
quality |
grade |
specification range (mm) |
executive standard |
application |
|
thickness |
width |
|
carbon structure steel |
Q195 |
8-100 |
1400
-
3800 |
GB700-88
Gb3274-88 |
having the good properties of welding, machining and processing and applicable to welding, riveting, twisting and normal structure parts |
|
Q215AB |
|
Q235ABCD |
|
Q255AB |
|
Quality carbon structure steel |
10#-55# |
GB711-88
GB699-88
Q/ASB84-99 |
having good mechanical properties and anti-deforming capacity and applicable to knife, die and structure, etc. |
|
08A1 |
|
50Mn、70Mn |
|
structure steel with low alloy and high strength |
Q295-460
ABCDE
SM490A
GR350
ST52-3 |
GB/T1591-94
GB3274-88
Q/ASB320-01
Q/ASB323-01
Q/ASB322-01 |
having good general properties and low temperature toughness and applicable to bridge, crane machinery, vehicle, building structure, etc. |
|
ship building |
A B
D E
AH32 DH36
EH32 AH36
DH36 EH36
|
8-60 |
Q/ASB141-2002
CCS、ABS、GL、
LR、BV、RINA、
KR、NK、DNV |
applicable to heavy and intermediate ship body structure |
|
boiler plate |
20g、16Mng
12Cr1MoVg
P355GH |
GB713-1997
protocol |
having good general properties and anti ageing capacity and applicable to hinge pressure boiler structure |
|
vessel plate |
16MnR、20R
16MnDR
15CrmoR
CF62 |
GB6654-1996
协议
protocol |
low alloy and high strength, having good low temperature toughness and applicable to building heavy vessel and high pressure sphere |
|
bridge plate |
Q345qCDE
Q370q
14MnNbq |
GB/T714-2000
协议
protocol |
applicable to bridge structure |
|
pipeline steel |
X52、X56、X60、X65、X70 |
10-30 |
API 5L |
applicable to manufacture the transmission pipeline of the petroleum and natural gas |
|
die steel |
3Cr2Mo |
10-80 |
YB/T107-1997 |
applicable to manufacture the high grade die |
