ERGSTE® 1.4523 IA / IM / IH
Stainless ferritic free-cutting steel - Stock standard
Product standard:
ASTM A581 / A581M
Material standard:
DIN (W.Nr.) 1.4523
UNS S1823
Description:
Ergste® 1.4523 IA/IM/IH by Zapp is a ferritic stainless free-cutting steel. It is characterized by very good machinability and outstanding corrosion resistance.
The ERGSTE® 1.4523 IM variant additionally has very good soft magnetic properties.
Typical analysis (%):
| Element: | ERGSTE® 1.4523 IA / IM / IH |
| C max. | 0,03 |
| Si max. | 0,5 |
| Mn max. | 0,5 |
| P max. | 0,04 |
| S | ~0,25 |
| Cr | ~18,00 |
| Mo | ~2,30 |
| Ti | ~0,7 |
| Fe | Residual |
Mechanical Properties:
Tensile strength, Rm: 430 - 630 MPa. (annealed IA/IM)
Tensile strength, Rm: 650 - 850 MPa (strain hardened IH)
Condition:
Drawn, annealed, ground, (polished).
IM: Special finish for solenoid valves.
Technical properties:
Staightness: ≤ 0,5 mm / 1000 mm
Surface roughness: Rmax ≤ 5µm / Rz ≤ 3µm / Ra ≤ 0,5µm
Magnetic properties of round bars 1.4523 IM:
Coercivity Hc: ≤ 240 A/m
Maximum permeability μmax: ≥ 1,500
Magnetic polarization Js: ≥ 1.40 T
Residual magnetism Br: 0.7 – 1.3 T
Specific electrical resistance ρ: ≥ 0.60 μΩm
Delivery form:
Lengths of 3000 mm (±50 mm)
Tolerances:
According to DIN EN 10278 – ISO h07
|
Diameter:
|
ISO h08 [mm]
|
ISO h07 [mm]
|
|
>1 to 3
|
+0/-0,014
|
+0/-0,010
|
|
>3 to 6
|
+0/-0,018
|
+0/-0,012
|
|
>6 to 10
|
+0/-0,022
|
+0/-0,015
|
|
>10 to 18
|
+0/-0,027
|
+0/-0,018
|
Stock dimensions:
| Dia. [mm] | Tol. | Rm [MPa] | Ends |
| 4,00 | h7 | 430-630 | Chamfered / pointed |
| 5,00 | h7 | 430-630 | Chamfered / pointed |
| 8,00 | h7 | 430-630 | Chamfered / pointed |
| 8,00 | h7 | 430-630 | Chamfered / pointed |
| 10,00 | h7/h8 | 430-630 | Chamfered / pointed |
| 12,00 | h7/h8 | 430-630 | Chamfered / pointed |
| 13,00 | h7/h8 | 430-630 | Chamfered |
| 14,00 | h7/h8 | 430-630 | Chamfered |
| 15,00 | h7/h8 | 430-630 | Chamfered |
| 16,00 | h7/h8 | 430-630 | Chamfered |
Other dimensions are offered on request.
Typical applications:
For example 1.4523 IM is used for solenoid valves due to its soft magnetic properties, machinability and corrosion resistance.
Tests and documentation:
Certificate according to EN 10204/3.1.
Surface crack tested according to DIN EN 10277: Surface quality class 3 or 4.
ERGSTE® is a Zapp® brand name.
Zapp® is a registered trademark of Zapp AG.
Zapp holds the following certificates and approvals: ISO 9001, ISO TS 16949 for automotive applications, AS 9100 for aeronautical applications, Pressurized Container Directives 97/23/EC and AD2000-W0.
Zapp-group representatives in Scandinavia: B.B.S. i Halmstad AB.
Subject to typing errors.