WYJ038 2001 Steel Plate Applications & Ordering Guide
WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate) 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 WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate) with EN 10204 mill test certificates.
This page is a standalone technical article. For the primary overview on the original URL, see WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate) primary specification page.
Typical Applications and Service Conditions
WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate) 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 Annealed or high-temperature tempered (per mill sheet) should be stated explicitly on the purchase order.
Industry Use Cases
Pressure equipment and process: shells, heads, and related platework when drawings name WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate). 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 (WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate))
WYJ038-2001 covers multiple GB/T 3077 grades (20/30/35/42CrMo, 20/40CrMnMo, 20/40/45Mn2) up to about 150 mm. Table shows representative 35CrMo heat analysis (GB/T 3077). Order the exact grade string on the PO; P/S follow the mill sheet (<=0.025 / <=0.020).
| Element | Min % | Max % / requirement |
|---|
| C (35CrMo) | 0.32 | 0.40 |
| Si (35CrMo) | 0.17 | 0.37 |
| Mn (35CrMo) | 0.40 | 0.70 |
| Cr (35CrMo) | 0.80 | 1.10 |
| Mo (35CrMo) | 0.15 | 0.25 |
| P | - | <=0.025 |
| S | - | <=0.020 |
Mechanical Properties - Supporting Data (WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate))
Hardness limits above are from the WYJ038-2001 annealed / high-temp temper table. Quenched-and-tempered tensile/impact values are supplied on samples when ordered per WYJ038-1-2001 revision note.
| Property | Requirement |
|---|
| Annealed / high-temp tempered hardness 35CrMo | <=229 HB |
| Annealed hardness 20CrMo | <=197 HB |
| Annealed hardness 42CrMo | <=217 HB |
| Delivery condition | Annealed or high-temperature tempered |
| Conditioned sample properties | Per PO / WYJ038-1-2001 (sigma_b, sigma_s, A5, AKV or AKU) |
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 |
|---|
| Enterprise | WYJ038-2001 / WYJ038-1-2001 | Mill supply condition + revision |
| National | GB/T 3077 35CrMo | Representative grade tabulated above |
| National | GB/T 3077 20CrMo / 42CrMo / 20CrMnMo | Also scoped by the same enterprise condition |
| Size / shape | GB/T 709 | Dimensional defaults on mill sheet |
| Related | ASTM A29 / EN 10083 Cr-Mo families | Near-equivalents only after engineer review |
Frequently Asked Questions
Where is WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate) typically applied?
WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate) 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. Primary overview: WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate).
What service conditions drive selection of WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate)?
Design temperature and pressure, toughness or creep allowables, weldability, corrosion or process media, and the governing code edition drive selection. Delivery condition Annealed or high-temperature tempered (per mill sheet) must align with the ordered specification.
Can a near-equivalent replace WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate) 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 WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate).
What fabrication notes matter for WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate)?
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 WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate).
How should I RFQ WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate) plate from Gangsteel for a project?
Send WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate), 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 WYJ038-2001 (Wuyang enterprise supply condition for GB/T 3077 alloy structural plate), 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.
