High Carbon Wire for Springs, 1.4mm to 4.88mm Diameter, SWRH42A / SWRH62B / SWRH72B / SWRH82A (New)

Description

Specifications
1. Diameter: 1.4 mm, tensile strength: 1650–1850 N/mm², material: SWRH42A, tensile strength: 1650 ±30 N/mm², diameter tolerance: ±0.030 mm, max roll weight: 150 kg, roll ID: 360–400 mm.
2. Diameter: 2 mm, tensile strength: 1850–2000 N/mm², material: SWRH72B, tensile strength: 1770 ±30 N/mm², diameter tolerance: ±0.030 mm, max roll weight: 200 kg, roll ID: 450–470 mm.
3. Diameter: 2.2 mm, tensile strength: 1750–1900 N/mm², material: SWRH72B, tensile strength: 1700 ±30 N/mm², diameter tolerance: ±0.040 mm, max roll weight: 200 kg, roll ID: 450–470 mm.
4. Diameter: 2.2 mm, tensile strength: 1700–1900 N/mm², material: SWRH62B, tensile strength: 1760 ±30 N/mm², diameter tolerance: ±0.040 mm, max roll weight: 200 kg, roll ID: 450–470 mm.
5. Diameter: 4.88 mm, tensile strength: 1500–1700 N/mm², material: SWRH82A, tensile strength: 1640 ±30 N/mm², diameter tolerance: ±0.050 mm, max roll weight: 300 kg, roll ID: 540–600 mm.
Material Composition
1. SWRH42A: carbon 0.39–0.46%, manganese 0.30–0.60%, silicon 0.15–0.35%, phosphorus ≤ 0.030%, sulfur ≤ 0.030%.
2. SWRH62B: carbon 0.59–0.66%, manganese 0.60–0.90%, silicon 0.15–0.35%, phosphorus ≤ 0.030%, sulfur ≤ 0.030%.
3. SWRH72B: carbon 0.69–0.76%, manganese 0.60–0.90%, silicon 0.15–0.35%, phosphorus ≤ 0.030%, sulfur ≤ 0.030%.
4. SWRH82A: carbon 0.79–0.86%, manganese 0.30–0.60%, silicon 0.15–0.35%, phosphorus ≤ 0.030%, sulfur ≤ 0.030%.