Document Index
Case Overview
We have successfully completed a 1,041-ton order for P460NH pressure vessel steel plates for a Mexican industrial purchaser. This cooperation case proves our powerful supply capability for high-standard pressure vessel steel for North America industrial buyers.
Client Brief Introduction
This cooperative client is a well-known industrial material purchaser based in Mexico, focusing on pressure vessel steel, structural steel and customized metal materials. The company has long-term stable demands for various metal raw materials, and mainly serves local manufacturing factories and large-scale engineering projects across the North American region.
For this bulk procurement project, the purchaser's authorized procurement manager Mr. Mark Glinsky was tasked with screening and docking reliable overseas suppliers to source premium large-thickness pressure vessel steel plates that meet international manufacturing standards. The client attaches great importance to certified product quality, complete test documents and cost-effective CIF port delivery solutions for cross-border transactions.
Detailed P460NH Steel Plate Demand
The client intended to purchase massive P460NH steel plates, which is equivalent to Chinese standard Q460R pressure vessel steel. This material is specially manufactured for pressure vessels and heavy-duty industrial equipment. The full inquiry details are displayed below:
| Item | Specific Details |
|---|---|
| Product Grade | P460NH Steel Plate (Similar to Chinese Q460R) |
| Specification Size | 2"(50.8mm) Thick × 96"(2440mm) × 240"(6096mm) |
| Order Quantity | 176 Plates (Approximately 1,041 Metric Tons) |
| Required Trade Term | CIF Altamira Port, Mexico |
| Contact Person | Mark Glinsky |

P460NH vs Q460R Steel Plate Comparison
P460NH and Q460R are both high-strength low-alloy normalized steel grades dedicated to pressure vessel manufacturing, with similar core mechanical properties and application scenarios. The following table details the objective differences between the two grades based on official standard parameters, without subjective speculation:
| Comparison Dimension | P460NH | Q460R |
|---|---|---|
| Executive Standard | European EN 10028-3 standard, material number 1.8935 | Chinese GB/T 713 national standard |
| Core Application Scenario | Medium and low temperature high-pressure bearing equipment, pressure vessel manufacturing | Pressure vessels, reactors, boiler drums and other equipment in petroleum, chemical and power industries |
| Carbon (C) Upper Limit | ≤0.20% | ≤0.20% |
| Silicon (Si) Upper Limit | ≤0.60% | ≤0.55% |
| Manganese (Mn) Range | 1.0-1.70% | 1.20-1.60% |
| Phosphorus (P) Upper Limit | ≤0.030% | ≤0.025% |
| Sulfur (S) Upper Limit | ≤0.020% | ≤0.015% |
| Nickel (Ni) Upper Limit | ≤0.80% | ≤0.40% |
| Copper (Cu) Upper Limit | ≤0.70% | ≤0.30% |
| Vanadium (V) Limit | ≤0.20% | 0.02%-0.06% |
| Niobium (Nb) Limit | ≤0.005% | 0.015%-0.045% |
| Titanium (Ti) Upper Limit | ≤0.03% | ≤0.03% |
| Nitrogen (N) Upper Limit | ≤0.025% | ≤0.015% |
| Aluminum (Al) Lower Limit | No mandatory minimum limit | ≥0.020% |
| Micro-alloy Element Restriction | Nb+Ti+V ≤ 0.22% | No relevant comprehensive restriction |
| Yield Strength Standard | Graded by thickness: ≤16mm≥460MPa; 16-40mm≥445MPa; 41-60mm≥430MPa | Unified standard: ≥460MPa, no thickness grading |
| Tensile Strength Range | 570-720MPa (thickness≤100mm); 540-710MPa (100-150mm) | Unified 570-720MPa |
| Elongation Lower Limit | 17% (thickness≤100mm); 16% (100-150mm) | Unified ≥17% |
| -20℃ Impact Toughness Requirement | No unified mandatory standard, implemented according to project agreement | Mandatory requirement AKV≥34J |
| Delivery State | Mainly normalized delivery; normalized rolling available via negotiation, requires simulated normalization test to verify performance | Normalized or normalized + tempered delivery |
| Substitution Applicable Scenario | Can replace Q460R in conventional room temperature and normal pressure pressure vessel projects; need to be reviewed according to standards for EU export and low temperature working condition projects | Can replace P460NH in conventional room temperature and normal pressure pressure vessel projects; preferred for domestic petrochemical and power projects |
Shipping & Delivery Terms
The client clearly requested CIF (Cost, Insurance and Freight) shipping term to Altamira Port, Mexico. As an experienced steel exporter, we can provide one-stop services including product production, third-party certification, container loading, customs declaration and ocean freight insurance. We support flexible trade terms such as CIF, FOB, CFR and DDP for global clients.
We also provide a full range of processing services including cutting, welding, bending, punching, galvanizing, powder coating and spray painting to meet your customized demands.
Get Custom Steel Plate Quotation
If you are looking for P460NH, Q460R or other grades of pressure vessel steel plates for your ongoing projects, feel free to contact our sales team. We will provide verified material certificates, competitive factory price and customized cross-border shipping solutions worldwide.
Available value-added services: cutting, welding, bending, punching, galvanizing, coating and painting.




