High Temperature Pressure Vessel Steel Plate

Product Overview

Youcheng High Temperature Pressure Vessel Steel Plate is engineered for critical industrial applications involving high pressure, elevated temperature, and long-term structural safety requirements.
It is widely used in:
• Boiler pressure systems
• Petrochemical refining equipment
• Pressure vessel fabrication
• Heat exchanger systems
• Power generation facilities
• Oil & gas processing plants
This steel plate is designed for continuous operation under thermal stress, pressure loading, and long service life requirements.

Chemical Composition

Mechanical Properties

Steel Grades for Pressure Vessel Applications

Carbon Steel (General Pressure Vessel Use)
• ASTM A516 Gr.60 / Gr.70
• ASTM A285 Gr.C
• EN P265GH / P355GH
• GB Q245R / Q345R

Chromium-Molybdenum Alloy Steel (High Temperature Service)
• ASTM A387 Gr.11 / Gr.22
• EN 16Mo3
• SA-302 / SA-203

Nickel Steel (Low Temperature / Safety Critical)
• ASTM A553 (7% / 8% / 9% Nickel Steel)

Engineering Grade Selection Guide

ASTM A516 Gr.70
• General pressure vessel applications
• Medium temperature and pressure
• Most widely used global grade

ASTM A387 Gr.22 (Cr-Mo Steel)
• High temperature + high pressure environments
• Excellent creep resistance
• Refinery & power plant applications

P355GH (EN Standard)
• European boiler and pressure vessel systems
• Stable structural performance under pressure

Dimensions & Supply Range

Thickness: 6mm – 200mm+
Width: 1000mm – 4000mm
Length: 3000mm – 18000mm
Surface condition: Hot rolled / Normalized / Q&T
Edge condition: Mill edge / trimmed edge
Custom cutting available for EPC project requirements

Engineering Application Industries

Pressure Vessel Industry
• Gas storage vessels
• Liquid containment systems
• Industrial pressure equipment

Boiler & Thermal Systems
• Power plant boilers
• Steam generation systems
• Heat recovery systems

Petrochemical Industry
• Refinery reactors
• Hydrogenation units
• Distillation systems

Energy & Power Generation
• Thermal power plants
• Industrial energy systems

Manufacturing Process & Quality Assurance

Production Flow
Steelmaking → Refining → Casting → Hot Rolling → Heat Treatment → Testing → Inspection → Marking → Shipping

Quality Inspection System
• 100% Ultrasonic Testing (UT)
• Chemical composition analysis
• Mechanical property testing
• Surface defect inspection
• Third-party inspection available (SGS / BV / TUV)

Packaging & Delivery

Packaging
• Seaworthy export packaging
• Steel strip bundling
• Waterproof wrapping
• Wooden/steel frame reinforcement
• Heat number marking for traceability

Delivery Terms
FOB / CFR / CIF / EXW

Lead Time
15 – 35 days depending on specification

Why Global Buyers Choose Youcheng

Mill-Backed Stable Supply Chain
We cooperate with certified steel mills ensuring:
• Continuous production capability
• Stable chemical composition control
• Batch-to-batch consistency for engineering use

Proven EPC & Industrial Supply Experience
Our materials are widely used in:
• Refinery construction & maintenance projects
• Boiler manufacturing industries
• Petrochemical EPC engineering systems
• Industrial pressure vessel fabrication plants

Full Traceability System
Each steel plate includes:
• Heat number identification
• Mill Test Certificate (EN10204 3.1 / 3.2)
• Production batch tracking
• Mechanical & chemical test records

Third-Party Inspection Accepted
• SGS
• Bureau Veritas (BV)
• TÜV Rheinland
• DNV

Engineering & Commercial Support
• Quotation within 12 hours
• Material substitution recommendations (engineering support)
• EPC documentation assistance
• Export logistics coordination

Our Certificate

FAQ