Extre Light Load Mold Spring ISO10243 Standard 50CrVA Materials Light Green Color
1. Data sheet of VL series Springs
- OD 20 mm: ID=1/2OD=10mm, wire cross section 4.3*1.7mm, optional length 25, 32, 38, 44, 51, 64, 76, 89, 102, 115, 127, 139, 152, 305mm; compression ratio 30-50%, approximate load 200~308N
- OD 25 mm: ID=1/2OD=12.5mm, wire cross section 5.4*2.2 mm, optional length 25, 32, 38, 44, 51, 64, 76, 89, 102, 115, 127, 139, 152,178, 203, 305mm; compression ratio 30-50%, approximate load 400~680N
- OD 32 mm: ID=1/2OD=16mm, wire cross section 6.5*2.6 mm, optional length 38, 44, 51, 64, 76, 89, 102, 115, 127, 139, 152,178, 203, 254, 305mm; compression ratio 30-50%, approximate load 480~800N
- OD 40 mm: ID=1/2OD=20mm, wire cross section 8.0*3.4 mm, optional length 51, 64, 76, 89, 102, 115, 127, 139, 152,178, 203, 254, 305 mm; compression ratio 30-50%, approximate load 730~1250N
- OD 50 mm: ID=1/2OD=25mm, wire cross section10.5*4.1 mm, optional length 64, 76, 89, 102, 115, 127, 139, 152,178, 203, 254, 305 mm; compression ratio 30-50%, approximate load 1500~2700N

2. About materials of this mold springs
50CrVA is a higher grade spring, equivalent to US steel No. G61500, Japanese steel No. SUP10, British steel No. 735A51, German and French steel No. 50CrV4. It is mainly used as a high load important spring with large cross section and valve spring, piston spring, safety valve spring, heavy duty mould spring with working temperature <300 °C

3. Series of square cross section mold spring according ISO10243
Series | load level | color | Max. deflection |
VL | Extre-Light | Light-Green ★ | 50% L0 |
V | Light | Green ★ | 40% L0 |
B | Medium | Blue ★ | 37.5% L0 |
R | Heavy | Red ★ | 30% L0 |
G | EXtre-Heavy | Yellow ★ | 25% L0 |
A | Ultra-Heavy | Silver ★ | 15% L0 |
4. About Us
- Located in Dongguan, Guangdong Province, the manufacturing capital of China, with 15 years of experience in the production of mould parts and 6 years of experience in foreign trade, with customers all over the world
- Customisation is available, such as laser printing your logo or company name on the springs
- Wholesale only, distributors of mould parts are welcome to contact us at any time
