GB712 AH36 angle steel bar is a high-strength structure steel for shipbuiding steel, hull structures and vessels.
GB 712 AH36 steel yield strength(Re) is 355MPa min. As a GB712 AH36 angle steel bars supplier, Katalor is able to supply GB712 AH36
shipbuilding steel angles, GB712 AH36 H beams and GB712 AH36 bulb flats with different sizes. As for the heat treatment for GB712Grade AH36 angle steel bars, the delivery condition must be Normalized or Normalized rolled or TMCP.
Chemical Composition of GB712 AH36 Angle Steel Bar
| Grade |
The element content (%) |
| C |
Si |
Mn |
P |
S |
Al |
N |
| GB 712 AH36 |
0.18 Max. |
0.1-0.50 |
0.90-1.60 |
0.030 Max. |
0.030 Max. |
0.015 Min. |
- |
| Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
| 0.02-0.05 |
0.05-0.10 |
0.02 Max. |
0.35 Max. |
0.20 Max. |
0.40 Max. |
0.08 Max. |
Note: Generally speaking CE will be ≤ 0.40%. If the delivery condition is TMPC, the CE will be : ≤ 0.36% (thickness ≤ 50mm),≤0.38%( when the thickness >50-100).
Ceq% =(C+Mn)/6+(Cr+Mo+V)/5+(Ni+Cu)/15.
GB712 AH36, BV/AH36 GB712 AH36Z15, GB712 AH36Z25,GB712 AH36Z35
Mechanical Properties of GB712 AH36 Angle Steel Bar
| Grade |
|
Mechanical Properties |
Charpy V Impact Test |
| Thickness |
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
| GB 712 AH36 |
mm |
Min Mpa |
Mpa |
Min % |
0 |
KV₂/J |
KV₂/J |
| t≤50 |
355 |
490-630 |
21% |
24 |
34 |
| 50＜t≤70 |
355 |
490-630 |
21% |
27 |
41 |
| 70＜t≤150 |
355 |
490-630 |
21% |
34 |
50 |
| Note: Energy 1 is transverse impact test, Energy 2 is longitudinal impact test, |
The GB712 AH36 shipbuindg angle steel has yield strength of 335 MPa, and ultimate tensile strength of 490-630 MPa. All the GB712
AH36 Shipbuilding Steel offered by Katalor Shanghaican be certificated by Bureau Veritas (BV).
Delivery Condition of GB712 AH36 Angle Steel Bar
| Grade |
Fine grains elements |
category |
The thickness of steel |
| ≤ 12 |
>12.5-20 |
>20-25 |
>25-35 |
>35-50 |
>50-100 |
| AH36 |
Any |
Plate/sheet |
N,TM |
| Profile steel |
N(25),TM(25),AR*(15),CR*(15) |
- |
Katalor Shanghai keeps more than 1,000 tons hot rolled GB712 AH36 angle steel bars,
GB712 AH36 steel sections in stock each month. We can meet our customer’s any quantity request. Based on these stock source, our advantage industry spread into steel process like: cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.
