DIN 17155 HI Boiler Steel for Pressure Vessel

HI Boiler and Pressure Vessel Steel Description

DIN 17155 HI Pressure Vessel Steel is a carbon steel grade engineered for robust performance in high-pressure and moderate-temperature environments. Although the DIN 17155 standard has been replaced by EN 10028, HI remains a reference point for its reliability in legacy applications. This steel is valued for its balance of strength, weldability, and cost-effectiveness, making it a staple in traditional pressure vessel manufacturing.

HI Boiler and Pressure Vessel Steel is widely utilized in industries requiring robust containment solutions. Key applications include:

• Industrial boilers and steam generators
• Storage tanks for oil, gas, and chemicals
• Heat exchangers in petrochemical plants
• Pressure vessels for power generation Its ability to maintain structural integrity under pressure and moderate temperatures ensures safe operation in these critical applications.

HI Boiler and Pressure Vessel Steel Datasheet

DIN 17155 HI is primarily supplied as hot-rolled plates, alongside other grades in the standard such as HII, 17Mn4, and 19Mn6. These grades cater to varying strength and temperature requirements. The typical dimensional range for HI steel includes:

• Thickness: 5 mm to 100 mm
• Width: 1,000 mm to 4,000 mm
• Length: 3,000 mm to 12,000 mm This range supports the fabrication of diverse pressure vessel components, from small tanks to large industrial boilers.

HI Boiler and Pressure Vessel Steel Chemical composition

The chemical makeup of DIN 17155 HI is optimized for weldability and toughness.

This composition ensures minimal impurities, enhancing the steel’s suitability for welding and pressure vessel applications.

HI Boiler and Pressure Vessel Steel Mechanical Properties

The mechanical attributes of DIN 17155 HI enable it to perform reliably under stress.

These properties ensure HI steel’s resilience in moderate-temperature pressure environments, maintaining safety and performance.

Equivalent Grade of HI Boiler and Pressure Vessel Steel

DIN 17155 HI Pressure Vessel Steel has several equivalent grades in modern standards, offering comparable performance for pressure vessel applications. The table below lists key equivalents:

These equivalents provide flexibility for manufacturers seeking alternatives in global markets while maintaining similar performance characteristics.