EN-GJL-HB155 (EN 5.1101) Grey Cast Iron Casting Material
Grey Cast Iron
Introduction
EN-GJL-HB155 is a grey cast iron grade covered by EN 1561. Typical family applications include shaped covers, simple housings, counterweights and decorative and non-critical cast components.
| Field | Value |
|---|---|
| Designation | EN-GJL-HB155 (EN 5.1101) |
| Material Type | Cast Iron |
| Sub Type | Grey Cast Iron |
| Product Form | casting |
Manufacturing Process
Sand Casting
Shell Molding Casting
Lost Foam Casting
Equivalent Materials
| Standard | Material Grade |
|---|---|
| SAE J431 | H10 |
| GB/T 9439 | H155 |
| ISO 185 | ISO 185/JL/HBW155 |
Similar Materials
N/A
Reference Standards
| Standard | Standard Title | Edition | Specification | Identifier |
|---|---|---|---|---|
| EN 1561 | Founding - Grey cast irons | 2023 | EN-GJL-HB155 | — |
Related Casting Products
Physical Properties
N/A
Chemical Composition
No specified chemical composition limits in EN 1561
Heat Treatment
EN 1561–2023
Heat treatment for special applications may be agreed when the order is accepted; no fixed cycle is prescribed. If heat treatment is applied, representative samples must receive the same treatment as the castings.
Mechanical Properties
Core Mechanical Properties
EN 1561 — 2023 · Table 2 — Normative
| Property | Hardness classification |
|---|---|
| Brinell Hardness | ≤ 155 HBW[1] ≤ 160 HBW[2] ≤ 170 HBW[3] ≤ 185 HBW[4] ≤ 210 HBW[5] |
- Casting or cast-on knob; test position agreed with purchaser; Sand moulds or moulds with comparable thermal behaviour; properties refer only to the stated sample type and wall-thickness range; Hardness classification only for wall thickness up to 80 mm. A narrower agreed range shall remain at least 40 HBW wide.
Notes
EN 1561 · Edition 2023
[1] Brinell Hardness: wall thickness ≤ 80 mm
[2] Brinell Hardness: wall thickness ≤ 40 mm
[3] Brinell Hardness: wall thickness ≤ 20 mm
[4] Brinell Hardness: wall thickness ≤ 10 mm
[5] Brinell Hardness: wall thickness ≤ 5 mm
Welding Conditions
N/A
Applications
For grey cast iron EN 1561 EN-GJL-HB155, typical cast components in this material family include shaped covers, simple housings, counterweights and decorative and non-critical cast components. Typical settings include general machinery, building hardware and equipment assemblies. These family examples do not extend light-duty uses to highly loaded moving parts or pressure-retaining equipment.
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Email Us for a QuoteLast Updated: November 6, 2026