1E0653 Steel Plate Applications & Ordering Guide
Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653] is specified for industrial fabrications where the drawing or material list names this grade. This applications page explains where the grade is used, what service conditions drive selection, and which certificate details belong on the purchase order. Gangsteel supplies Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653] with EN 10204 mill test certificates.
Typical Applications and Service Conditions
Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653] plate is ordered for pressure equipment, process vessels, heat-exchanger related fabrications, structural members under the governing code, and project packages that call the grade by name. Match the mill test certificate grade mark to the calculation sheet; do not treat near-equivalents as automatic substitutes.
Service drivers include the design temperature and pressure of the governing code (ASME, EN/PED, class society, or project specification), weld procedure qualification needs, toughness or creep allowables where applicable, and inspection scope. Delivery condition Quenched + Tempered; thickness typically <=60 mm for 1E0653 scope should be stated explicitly on the purchase order.
Industry Use Cases
Pressure equipment and process: shells, heads, and related platework when drawings name Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653]. Power and energy: boiler and heat-recovery fabrications under the ordered edition. Marine / offshore (when classed): only when the society material list names this exact grade stamp. Always keep heat-number traceability on cut pieces.
Chemical Composition - Supporting Data (Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653])
Ladle and product analysis per Caterpillar 1E0653 / WYJ053-2006 Table 1. CEq = C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15. Confirm ordered thickness and mill edition on the MTC.
| Element / rule | Requirement |
|---|
| C | 0.15-0.21 |
| Si | 0.15-0.40 |
| Mn | 0.95-1.40 |
| P, max | 0.025 |
| S, max | 0.015 |
| Al, min | 0.020 |
| Cr | 0.40-0.65 |
| V, max | 0.07 |
| Ti, max | 0.065 |
| Mo, max | 0.35 |
| B | 0.0005-0.0030 |
| Ni, max | 0.70 |
| Pb, max | 0.02 |
| Sn, max | 0.03 |
| CEq, max | 0.61 |
Mechanical Properties - Supporting Data (Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653])
Confirm thickness, specimen orientation, and any supplementary impact, UT, or hardness requirements on the PO.
| Property | Requirement |
|---|
| Yield strength, min | 620 MPa |
| Tensile strength | 725-860 MPa |
| Elongation in 50 mm, min (transverse) | 14% |
| Elongation in 50 mm, min (longitudinal) | 16% |
| Reduction of area, min (transverse) | 45% |
| Reduction of area, min (longitudinal) | 50% |
| Delivery / HT | Quenched + Tempered |
Related / Near-Equivalent Grades
Near-equivalents are for cross-reference only. They are not automatic code substitutes. Substitution requires engineer approval and matching certificate scope.
| System | Grade | Note |
|---|
| Mill | 1E0682 | Related Caterpillar QT plate; chemistry band differs - not drop-in |
| EN | near S620QL strength class | Approx. yield class only - confirm |
| Use | Caterpillar construction-machinery weldable QT plate | OEM purchase condition |
Frequently Asked Questions
Where is Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653] typically applied?
Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653] is applied where design documents, class material lists, or purchaser specs name this grade for pressure, process, structural, or marine fabrications as applicable. Match the MTC marking to the drawing.
What service conditions drive selection of Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653]?
Design temperature and pressure, toughness or creep allowables, weldability, corrosion or process media, and the governing code edition drive selection. Delivery condition Quenched + Tempered; thickness typically <=60 mm for 1E0653 scope must align with the ordered specification.
Can a near-equivalent replace Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653] on an applications drawing?
Not without redesign and written approval. Near-equivalents differ in chemistry, heat treatment, impact temperature, or product form. Commercial swaps create non-conformance when the dossier names Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653].
What fabrication notes matter for Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653]?
Use approved WPS/PQR packages for the thickness and filler, control heat input, and preserve heat-number traceability on cut pieces. State any supplementary UT, PMI, or impact tests on the purchase order.
What certificate and marking should an applications PO demand?
EN 10204 3.1 is standard; 3.2 when a purchaser-appointed inspector witnesses tests. The MTC should show heat analysis, tensile results, delivery condition, and heat number aligned with Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653].
How should I RFQ Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653] plate from Gangsteel for a project?
Send Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653], thickness x width x length (or nesting list), quantity, delivery condition, optional NDT/PMI, certificate type, destination, and any dual-mark needs. Note the end use when special flatness or cut-to-size packaging is required.
Ordering and Mill Certificates
State grade Caterpillar 1E0653 (Wuyang WYJ053-2006 QT alloy plate) [queue key 1E0653], dimensions, quantity, delivery condition, optional NDT/PMI, and certificate (EN 10204 3.1 standard; 3.2 when third-party inspection is ordered). Gangsteel supplies export plate and related products with mill test certificates. Contact Gangsteel for stock and mill production RFQs.
