Description
JIS G3506 / G3507 High Carbon and Alloy Steel Wire Rods
Emirerri Steel offers premium-grade JIS G3506 and JIS G3507 wire rods, manufactured to meet the stringent Japanese Industrial Standards for high carbon and alloy steel wire rods. These wire rods are engineered for high strength, excellent hardness, and superior fatigue resistance — making them ideal for applications in automotive, construction, and industrial machinery sectors.
Grades Covered:
- JIS G3506: For general-use high-carbon steel wire rods
- JIS G3507: For alloy steel wire rods suitable for cold heading and mechanical parts
Key Features:
- High tensile strength and excellent formability
- Superior machinability and dimensional accuracy
- Suitable for drawing, forging, and heat treatment processes
- Enhanced surface quality and scale-free finish
JIS G3506 Chemical Composition
| Grade | C (Carbon) | Si (Silicon) | Mn (Manganese) | P (Phosphorus) max | S (Sulfur) max |
|---|---|---|---|---|---|
| S20C | 0.18–0.23 | ≤ 0.35 | 0.30–0.60 | ≤ 0.030 | ≤ 0.035 |
| S25C | 0.22–0.28 | ≤ 0.35 | 0.30–0.60 | ≤ 0.030 | ≤ 0.035 |
| S35C | 0.32–0.38 | ≤ 0.35 | 0.60–0.90 | ≤ 0.030 | ≤ 0.035 |
| S45C | 0.42–0.48 | ≤ 0.35 | 0.60–0.90 | ≤ 0.030 | ≤ 0.035 |
| S50C | 0.47–0.53 | ≤ 0.35 | 0.60–0.90 | ≤ 0.030 | ≤ 0.035 |
JIS G3506 Mechanical Properties
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|
| S20C | 410–510 | ≥ 245 | ≥ 26 |
| S25C | 450–550 | ≥ 275 | ≥ 24 |
| S35C | 570–690 | ≥ 325 | ≥ 20 |
| S45C | 620–780 | ≥ 355 | ≥ 17 |
| S50C | 660–830 | ≥ 375 | ≥ 15 |
JIS G3507 Chemical Composition
| Grade | C | Si | Mn | P (max) | S (max) |
|---|---|---|---|---|---|
| SWRCH6R | 0.05–0.10 | ≤ 0.03 | 0.30–0.60 | ≤ 0.025 | ≤ 0.025 |
| SWRCH10R | 0.08–0.13 | ≤ 0.03 | 0.30–0.60 | ≤ 0.025 | ≤ 0.025 |
| SWRCH22A | 0.18–0.23 | ≤ 0.03 | 0.30–0.60 | ≤ 0.025 | ≤ 0.025 |
JIS G3507 Mechanical Properties
| Grade | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|
| SWRCH6R | ~350–450 | ≥ 30 |
| SWRCH10R | ~400–500 | ≥ 25 |
| SWRCH22A | ~500–600 | ≥ 20 |
Applications:
- Automotive components (bolts, nuts, springs, gears)
- Construction fasteners
- Machinery parts
- Wire ropes and tools
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