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Introduction
EN 10151 covers cold-rolled stainless steel strip intended for the manufacture of springs and other components requiring high strength, elasticity, corrosion resistance, and precise dimensional tolerances. These stainless steel strips are supplied in different spring and cold-worked conditions to achieve the required mechanical properties.
EN 10151 stainless steel spring strip is widely used for precision springs, clips, retaining rings, washers, electrical contacts, automotive components, medical equipment, instrumentation, and industrial machinery where both spring properties and corrosion resistance are required.
Ladhani Metal Corporation is a manufacturer, supplier, and exporter of EN 10151 Stainless Steel Strip for Springs, supplying stainless spring steel strips in various grades, thicknesses, widths, surface finishes, delivery conditions, and customized dimensions worldwide.
Applicable Standard
Standard Specification: EN 10151
Organization: European Committee for Standardization (CEN)
Title: Stainless Steel Strip for Springs – Technical Delivery Conditions
Material Type: Stainless Spring Steel
Product Form: Cold Rolled Stainless Steel Strip
Material Type
• Stainless Spring Steel
• Austenitic Stainless Steel
• Martensitic Stainless Steel
• Precipitation-Hardening Stainless Steel where applicable
• Cold Rolled Stainless Steel
• High-Strength Stainless Steel Strip
Forms of Supply
• Stainless Steel Spring Strip
• Cold Rolled Stainless Steel Strip
• Precision Stainless Steel Strip
• Spring Temper Strip
• Hardened Stainless Steel Strip
• Slit Stainless Steel Strip
• Coil Strip
• Cut-to-Length Strip
Grades Covered Under EN 10151
X10CrNi18-8 | X5CrNi18-10 | X2CrNi19-11 | X5CrNiMo17-12-2 | X2CrNiMo17-12-2 | X6CrNiTi18-10 | X7CrNiAl17-7 | X5CrNiCuNb16-4 | X20Cr13 | X30Cr13 | X46Cr13 | X90CrMoV18
Spring Conditions
EN 10151 stainless steel strips can be supplied in different cold-worked conditions according to the required spring performance.
• Soft Condition
• 1/4 Hard
• 1/2 Hard
• 3/4 Hard
• Full Hard
• Extra Hard
• Spring Temper
• Cold Worked Condition
The available conditions and mechanical properties depend on the selected stainless steel grade and strip thickness.
Surface Finish
• Cold Rolled Finish
• Bright Finish
• Smooth Finish
• Polished Finish
• Ground Finish
• 2B Finish
• BA Finish
• Slit Edge Finish
• Deburred Edge Finish
Standard Sizes
EN 10151 Stainless Steel Spring Strip
Thickness: 0.05 mm to 3.00 mm
Width: Up to 600 mm
Coil Weight: According to customer requirements
Length: Cut-to-length according to customer requirements
Custom thicknesses, widths, tolerances, coil weights, edge conditions, and surface finishes are available according to customer requirements.
Chemical Composition of EN 10151
|
Steel Designation – Name |
C |
Si |
Mn |
P max. |
S max. |
N |
Cr |
Mo |
Ni |
Others |
|
X6Cr17 |
max. 0.08 |
max. 1.00 |
max. 1.00 |
0.040 |
0.015 |
— |
16.0 to
18.0 |
— |
— |
— |
|
X20Cr13 |
0.16 to
0.25 |
max. 1.00 |
max. 1.50 |
0.040 |
0.015 |
— |
12.0 to
14.0 |
— |
— |
— |
|
X30Cr13 |
0.26 to
0.35 |
max. 1.00 |
max. 1.50 |
0.040 |
0.015 |
— |
12.0 to
14.0 |
— |
— |
— |
|
X39Cr13 |
0.36 to
0.42 |
max. 1.00 |
max. 1.00 |
0.040 |
0.015 |
— |
12.5 to
14.5 |
— |
— |
— |
|
X7CrNiAl17-7 |
max. 0.09 |
max. 0.70 |
max. 1.00 |
0.040 |
0.015 |
— |
16.0 to
18.0 |
— |
6.5 to 7.8 |
Al: 0.70
to 1.50 |
|
X10CrNi18-8 |
0.05 to
0.15 |
max. 2.00 |
max. 2.00 |
0.045 |
0.015 |
max. 0.11 |
16.0 to
19.0 |
max. 0.80 |
6.0 to 9.5 |
— |
|
X5CrNi18-10 |
max. 0.07 |
max. 1.00 |
max. 2.00 |
0.045 |
0.015 |
max. 0.11 |
17.5 to
19.5 |
— |
8.0 to
10.5 |
— |
|
X5CrNiMo17-12-2 |
max. 0.07ᵃ |
max. 1.00 |
max. 2.00 |
0.045 |
0.015 |
max. 0.11 |
16.5 to
18.5 |
2.00 to
2.50ᵇ |
10.0 to
13.0ᵇ |
— |
|
X11CrNiMnN19-8-6 |
0.07 to
0.15 |
0.50 to
1.00 |
5.0 to 7.5 |
0.030 |
0.015 |
0.20 to
0.30 |
17.5 to 19.5 |
— |
6.5 to 8.5 |
— |
|
X12CrMnNiN17-7-5 |
max. 0.15 |
max. 1.00 |
5.5 to 7.5 |
0.045 |
0.015 |
0.05 to
0.25 |
16.0 to
18.0 |
— |
3.5 to 5.5 |
— |
Note: Values are given as percentages by
mass. “max.” indicates the maximum permitted value.
The exact chemical composition depends on the individual grade and the applicable EN 10151 requirements.
Mechanical Properties of EN 10151
Mechanical properties depend strongly on the stainless steel grade, strip thickness, and cold-working condition.
|
Grade |
Condition |
Tensile
Strength MPa |
Yield Strength
MPa |
|
X10CrNi18-8 |
Cold Worked |
700–1000 |
≥300 |
|
X5CrNi18-10 |
Cold Worked |
700–1000 |
≥300 |
|
X2CrNi19-11 |
Cold Worked |
700–1000 |
≥300 |
|
X5CrNiMo17-12-2 |
Cold Worked |
700–1000 |
≥300 |
|
X2CrNiMo17-12-2 |
Cold Worked |
700–1000 |
≥300 |
|
X6CrNiTi18-10 |
Cold Worked |
700–1000 |
≥300 |
|
X7CrNiAl17-7 |
Cold Worked |
900–1200 |
≥600 |
|
X20Cr13 |
Hardened/Tempered |
850–1100 |
≥650 |
|
X30Cr13 |
Hardened/Tempered |
850–1100 |
≥650 |
For EN 10151, the actual mechanical property range is dependent on the specified delivery condition and strip thickness. Certified values should be taken from the applicable grade and condition tables.
Key Features of EN 10151 Stainless Steel Spring Strip
• Excellent corrosion resistance
• High tensile strength
• Excellent spring properties
• High elastic limit
• Excellent fatigue resistance
• Precise dimensional tolerances
• Good surface quality
• Excellent resistance to oxidation
• Suitable for repeated loading
• Good resistance to wear
• Available in multiple hardness conditions
Applications of EN 10151 Stainless Steel Spring Strip
Automotive Industry
• Automotive Springs
• Spring Clips
• Retaining Rings
• Washers
• Clamps
• Sensor Components
Mechanical Engineering
• Flat Springs
• Coil Spring Components
• Retaining Rings
• Spring Washers
• Clips
• Mechanical Spring Components
Electrical & Electronics
• Electrical Contacts
• Contact Springs
• Terminal Components
• Connector Components
• Switch Components
Medical & Pharmaceutical Equipment
• Medical Instrument Springs
• Surgical Instrument Components
• Clips
• Precision Components
• Corrosion-Resistant Spring Parts
Precision Engineering
• Precision Springs
• Instrument Springs
• Measuring Equipment Components
• Small Spring Components
• Precision Clips
Fabrication and Processing
EN 10151 stainless steel strip is suitable for precision forming and spring manufacturing processes according to the selected grade and condition.
• Slitting
• Stamping
• Blanking
• Punching
• Bending
• Forming
• Rolling
• Spring Forming
• Heat Treatment where applicable
Proper processing parameters should be selected to maintain dimensional accuracy, spring properties, and surface quality.
Heat Treatment
Heat treatment depends on the selected stainless steel grade.
• Annealing restores ductility
• Solution annealing provides a suitable metallurgical condition for applicable
grades
• Cold working increases strength and hardness in austenitic grades
• Hardening increases strength in martensitic grades
• Tempering improves toughness and controls hardness
• Aging treatment can be used for precipitation-hardening grades where
applicable
Advantages of EN 10151 Stainless Steel Strip
• Excellent corrosion resistance
• High strength
• Superior spring properties
• Excellent fatigue performance
• Precise thickness and width tolerances
• High elastic limit
• Excellent surface quality
• Suitable for precision components
• Good resistance to moisture and atmospheric corrosion
• Long service life
Conclusion
EN 10151 Stainless Steel Strip for Springs is designed for the manufacture of springs and precision components requiring a combination of high strength, elasticity, corrosion resistance, fatigue resistance, and dimensional accuracy. The standard covers stainless steel strip supplied in different cold-worked and spring conditions to achieve the required mechanical performance.
EN 10151 stainless spring strip is available in suitable austenitic and other stainless steel grades for automotive, electrical, electronics, mechanical engineering, medical, instrumentation, and industrial applications.
Ladhani Metal Corporation supplies EN 10151 Stainless Steel Strip for Springs in various grades, thicknesses, widths, spring conditions, surface finishes, edge conditions, and customized coil or cut-to-length sizes for demanding spring and precision engineering applications worldwide.
FOR REQUIREMENT OF THIS GRADE
OR FOR DETAIL CONTACT US AT :-
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