Recently, GNEE STEEL's processing center successfully completed a batch of medium-thick plate container sheet processing for an Indonesian petrochemical machinery enterprise. The high-quality and efficient "one-stop" service has further strengthened the customer's recognition and trust in GNEE.
The plate thickness of this batch ranged from 45mm to 60mm, involving cutting, edge planing, and other processes. Two major processing challenges were addressed:
Conventional plasma and flame cutting methods for plates over 20mm generally yield insufficient precision and tapered cut surfaces, failing to meet the customer's requirements for cut-edge quality and dimensional accuracy.
The groove surfaces required an R-bevel profile, demanding advanced edge-planing equipment and highly skilled operators.
To meet the customer's high-standard processing needs, GNEE's project team meticulously analyzed technical drawings and formulated an optimal process route. By leveraging the high-precision cutting capabilities of a 20,000-watt high-power fiber laser cutting system and employing customized R-angle gauges for tool grinding combined with expert grooving operations, the order was delivered with exceptional quality.

GNEE's Differentiated Advantages in Medium-Thick Plate Processing
In medium-thick plate cutting, GNEE possesses unique competitive strengths in advanced equipment, technical expertise, service experience, and integrated operations-complemented by strategic partnerships with steel mills for ample material supply.
Cutting capability: Processes plates from 10mm to 500mm with up to 24 torches cutting simultaneously, boosting efficiency while ensuring cut-surface perpendicularity within 1-2mm and precision of ±1mm.
Integrated workflow: Processing centers handle front-end operations (cutting, trimming, bending), while the manufacturing division manages back-end processes (forming, welding, machining).
Logistics efficiency: Supports high-end equipment sectors including tank prefabrication, pressure vessels, engineering machinery, mining equipment, and aerospace.

High Strength Steel Plate Grade
| ASTM A573/A573M | A573 Grade 70 | ||
| ASTM A709/A709M | A709 Grade 50 | ||
| ASTM A514/A514M | A514 Grade B | ||
| ASME SA573/SA573M | SA573 Grade 70 | ||
| ASME SA709/SA709M | SA709 Grade 50 | ||
| ASME SA514/SA514M | SA514 Grade B | ||
| EN10025-2 | S355JR | S355J0 | S355K2 |
| EN10025-3 | S355N | S355J2 | |
| S420N | S460N | ||
| EN10025-6 | S460Q | S460QL | |
| S500Q | S500QL | ||
| S550Q | S500QL | ||
| S690Q | S690QL | S690QL1 | |
| S890Q | S890QL | S890QL1 | |
| S960Q | S960QL | ||
| DIN 17100 | ST52-3 | ||
| JIS G3101 | SS490 | SS540 | |
| JIS G3106 | SM490 | ||
| GB/T1591 | Q355B | Q355D | |
| Q390B | Q390D | ||
| Q420B | Q420D | ||
| GB/T16270 | Q460D | Q460E | |
| Q500D | Q500E | ||
| Q550D | Q550E | ||
| Q620D | Q620E | ||
| Q690D | Q690E | ||
| Q890D | Q890E | ||
| Q960D | Q960E |
Pressure Vessel Plate Grade
| ASTM A202/A202M | A202 Grade A | A202 Grade B | ||
| ASTM A203/A203M | A203 Grade A | A203 Grade B | A203 Grade D | A203 Grade E |
| A203 Grade F | ||||
| ASTM A204/A204M | A204 Grade A | A204 Grade B | A204 Grade C | |
| ASTM A285/A285M | A285 Grade A | A285 Grade B | A285 Grade C | |
| ASTM A299/A299M | A299 Grade A | A299 Grade B | ||
| ASTM A302/A302M | A302 Grade A | A302 Grade B | A302 Grade C | A302 Grade D |
| ASTM A387/A387M | A387 Grade 11 Class 1 | A387 Grade 11 Class 2 | A387 Grade 12 Class 1 | A387 Grade 12 Class 2 |
| A387 Grade 22 Class 1 | A387 Grade 22 Class 2 | A387 Grade 5 Class 1 | A387 Grade 5 Class 2 | |
| ASTM A515/A515M | A515 Grade 60 | A515 Grade 65 | A515 Grade 70 | |
| ASTM A516/A516M | A516 Grade 55 | A516 Grade 60 | A516 Grade 65 | A516 Grade 70 |
| ASTM A517/A517M | A517 Grade A | A517 Grade B | A517 Grade E | A517 Grade F |
| A517 Grade H | A517 Grade S | A517 Grade P | A517 Grade Q | |
| ASTM A533/A533M | A533 Grade A | A533 Grade B | A533 Grade C | A533 Grade D |
| ASTM A537A537M | A537 Class 1 | A537 Class 2 | A537 Class 3 | |
| ASTM A612/A612M | ||||
| ASTM A662/A662M | A662 Grade A | A662 Grade B | A662 Grade C | |
| ASME SA202/SA202M | SA202 Grade B | SA202 Grade B | ||
| ASME SA203/SA203M | SA203 Grade A | SA203 Grade B | SA203 Grade D | SA203 Grade E |
| SA203 Grade F | ||||
| ASME SA204/SA204M | SA204 Grade A | SA204 Grade B | SA204 Grade C | |
| ASME SA285/SA285M | SA285 Grade A | SA285 Grade B | SA285 Grade C | |
| ASME SA299/SA299M | SA299 Grade A | SA299 Grade B | ||
| ASME SA302/SA302M | SA302 Grade A | SA302 Grade B | SA302 Grade C | |
| ASME SA387/SA387M | SA387 Grade 11 Class 1 | SA387 Grade 11 Class 2 | SA387 Grade 12 Class 1 | SA387 Grade 12 Class 2 |
| SA387 Grade 22 Class 1 | SA387 Grade 22 Class 2 | SA387 Grade 5 Class 1 | SA387 Grade 5 Class 2 | |
| ASME SA515/SA515M | SA515 Grade 60 | SA515 Grade 65 | SA515 Grade 70 | |
| ASME SA516/SA516M | SA516 Grade 55 | SA516 Grade 60 | SA516 Grade 65 | SA516 Grade 70 |
| ASME SA517/SA517M | SA517 Grade A | SA517 Grade B | SA517 Grade E | SA517 Grade F |
| SA517 Grade H | SA517 Grade S | SA517 Grade P | SA517 Grade Q | |
| ASME SA533/SA533M | A533 Grade A | A533 Grade B | A533 Grade C | A533 Grade D |
| ASME SA537/SA537M | SA537 Class 1 | S537 Class 2 | SA537 Class 3 | |
| ASME SA612/SA612M | ||||
| ASME SA662/SA662M | SA662 Grade A | SA662Grade B | SA662 Grade C | |
| EN10028-2 | P235GH | P265GH | P295GH | P355GH |
| 16Mo3 | ||||
| EN10028-3 | P275NH | P275NL1 | P275NL2 | |
| P355N | P355NH | P355NL1 | P355NL2 | |
| P460NH | P460NL1 | P460NL2 | ||
| EN10028-5 | P355M | P355ML1 | P355ML2 | |
| P420M | P420ML1 | P420ML2 | ||
| P460M | P460ML1 | P460ML2 | ||
| EN10028-6 | P355Q | P355QH | P355QL1 | P355QL2 |
| P460Q | P460QH | P460QL1 | P460QL2 | |
| P500Q | P500QH | P500QL1 | P500QL2 | |
| P690Q | P690QH | P690QL1 | P690QL2 | |
| JIS G3115 | SPV235 | SPV315 | SPV355 | SPV410 |
| SPV450 | SPV490 | |||
| JIS G3103 | SB410 | SB450 | SB480 | SB450M |
| SB480M | ||||
| GB713 | Q245R | Q345R | Q370R | 18MnMoNbR |
| 13MnNiMoR | 15CrMoR | 14Cr1MoR | 12Cr2Mo1R | |
| 12Cr1MoVR | ||||
| GB3531 | 16MnDR | 15MnNiDR | 09MnNiDR | |
| DIN 17155 | HI | HII | 17Mn4 | 19Mn6 |
| 15Mo3 | 13CrMo44 | 10CrMo910 |
Wear-resistant steel Grade
| NM400 | NM450 | ||
| NM500 | NM550 | NM600 | |
| AR400 | AR450 | AR500 | AR600 |
| JFE-EH400 | JFE-EH500 | JFE-EH360 | |
| Mn13 | |||
| X120MN12 | |||
| Mn12 |




