API 2Y Grade 50 Offshore Structural Steel
Products Description
API 2Y Grade 50 steel plate is a quenched and tempered structural steel having intermediate-strength typically used in the welded construction of offshore structures. API 2Y Grade 50 offshore steel has a minimum yield strength of 50 ksi [345 MPa] and a minimum, mid-thickness, transverse Charpy V-notch impact toughness of 30 ft-lbf [41 J] at -40°F [-40°C].
API 2Y Grade 50 offshore structural steel is intended primarilyfor use in offshore structures in critical portions that must exhibit good impact toughness and resistance to plastic fatigue loading and lamellar tearing. The primary use of API 2Y Grade 50 is in tubular joints, stiffened plate construction and other intersections where portions of the plates will be subjected to tension in the through-thickness (Z) direction.
API 2Y offshore steel plate mechanical property
| THICKNESS (in) |
0.2% YS (ksi) |
UTS (ksi) |
ELONGATION IN 2" (MIN %) |
ELONGATION IN 8" (MIN %) |
|---|---|---|---|---|
| 0.188 - 1.00 | 50 - 75 | 65 | 23 | 18 |
| 1.001 - 2.00 | 50 - 70 | 65 | 23 | 18 |
API 2Y offshore structural steel Imapact properties
| SPECIMEN SIZE (in) |
MIN TRANSVERSE AVERAGE ENERGY (ft-lbs) |
MIN SINGLE VALUE (ft-lbs) |
TEST TEMPERATURE (°F) |
|---|---|---|---|
| 0.394 x 0.394 | 30 | 25 | -40 |
| 0.295 x 0.394 | 30 | 25 | -40 |
| 0.197 x 0.394 | 30 | 25 | -40 |
API AY Gr.50 steel plate chemical composition
| C (MAX wt %) |
MN (wt %) |
P (MAX wt %) |
S (MAX wt %) |
SI (wt %) |
ALTOT (wt %) |
CR (MAX wt %) |
MO (MAX wt %) |
NI (MAX wt %) |
CU (MAX wt %) |
TI (wt %) |
CB (wt %) |
N 1) (MAX wt %) |
B 1) (MAX wt %) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.12 | 1.15 - 1.60 | 0.030 | 0.010 | 0.05 - 0.50 | 0.020 - 0.060 | 0.25 | 0.08 | 0.75 | 0.35 | 0.007 - 0.020 | 0.03 | 0.012 2) | 0.0005 |
GNEE group qualifications and honors
GNEE company has passed SGS CE ISO and other certifications, has complete testing equipment, strong technical force, and accepts factory testing. We firmly believe that "quality is the core of a company's sustainable strength". We will establish stable, long-term, win-win cooperative relationships with our customers and stick to them:
