WHT590 Steel Plate Applications & Ordering Guide
WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590] 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 WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590] with EN 10204 mill test certificates.
Typical Applications and Service Conditions
WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590] 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 Normalized; E quality typically -40 C impact (confirm PO) should be stated explicitly on the purchase order.
Industry Use Cases
Pressure equipment and process: shells, heads, and related platework when drawings name WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590]. 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 (WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590])
Heat analysis per Q/WG(ZB)05-2010 WH590E (17MnNiVNbR). Queue key WHT590 is mapped to this WH590E table; confirm exact mill edition and quality letter on the MTC. Pcm assessed per Wugang formula.
| Element / rule | Requirement |
|---|
| C, max | 0.20 |
| Si | 0.20-0.55 |
| Mn | 1.30-1.70 |
| Ni | 0.20-0.50 |
| Nb | 0.010-0.040 |
| V | 0.020-0.080 |
| P, max | 0.015 |
| S, max | 0.005 |
Mechanical Properties - Supporting Data (WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590])
Confirm thickness, specimen orientation, and any supplementary impact, UT, or hardness requirements on the PO.
| Property | Requirement |
|---|
| Tensile Rm class | 590 MPa class (confirm thickness table on mill sheet) |
| Yield Rel / Rp0.2 | per Q/WG(ZB)05 WH590E thickness table |
| Elongation A, min | per mill table (typically >=17% class for PV plate) |
| Impact KV2 | E quality -40 C (confirm J min on PO/MTC) |
| Delivery / HT | Normalized |
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 | WH590E / 17MnNiVNbR | Wugang designation |
| GB | near Q370R / higher-strength tanker steels | Not automatic substitute - confirm |
| Use | LPG auto tanker / storage vessels | Common Chinese application |
Frequently Asked Questions
Where is WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590] typically applied?
WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590] 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 WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590]?
Design temperature and pressure, toughness or creep allowables, weldability, corrosion or process media, and the governing code edition drive selection. Delivery condition Normalized; E quality typically -40 C impact (confirm PO) must align with the ordered specification.
Can a near-equivalent replace WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590] 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 WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590].
What fabrication notes matter for WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590]?
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 WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590].
How should I RFQ WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590] plate from Gangsteel for a project?
Send WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590], 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 WHT590 / WH590E (17MnNiVNbR) high-performance PV plate [queue key WHT590], 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.
