S45C carbon steel is a medium-carbon steel from the Japanese Industrial Standard (JIS G 4051). It's known for being strong, tough, and easy to machine, making it a key material for many mechanical parts. S45C means it has about 0.45% carbon, which is ideal for parts that need both strength and flexibility.We make our S45C Carbon Steel Rod by carefully controlling the steelmaking process. Then, we use hot-rolling or forging to shape it. It usually comes normalized or quenched and tempered to get the right strength. This JIS S45C steel bar is a good, cheap way to make strong shafts, gears, bolts, and other key parts.
Product Details
Specifications & Technical Parameters
| Item | Specification / Range |
| Standard | JIS G 4051, Equivalent to AISI 1045 |
| Typical Diameter (Round Bar) | 10mm ~ 300mm |
| Typical Length | 3m ~ 6m (or as required) |
| Supply Condition | Hot-rolled, Black, Bright turned, Normalized, Q&T (Quenched & Tempered) |
| Tensile Strength | 700 - 850 MPa |
| Yield Strength | ≥ 450 MPa |
| Elongation | ≥ 15% |
Typical chemical composition(wt%)
| C | Si | Mn | P | S |
| 0.42 - 0.48 | 0.15 - 0.35 | 0.60 - 0.90 | ≤ 0.030 | ≤ 0.035 |
Features & Advantages
Better Strength for the Price
S45C is way stronger than basic steels after you heat it up, so you can design parts that are lighter or last longer without spending a ton more. It's also cheaper than stronger alloy steels for lots of jobs.
Heats Up Great
This stuff hardens up nicely when you quench it and then temper it. You can get just the right hardness and strength you need to handle different kinds of stress, wear, or impacts.
Trustworthy and the Same Every Time
Our S45C bars are always the same inside and made with the right stuff. So, you know they'll work the way you expect, which is super important if you're making lots of stuff and want it all to be top-notch.
Our Strength
We know carbon steel stuff like S45C inside and out because we've been doing it for a while.
- Quality Control: We check everything closely, from the start to finish – like testing the materials and measuring dimensions – so you get what you expect.
- Dependable Supplies: We work closely with reliable steel mills. This means we can keep enough S45C in stock and get you bigger orders fast if you need them.
- Helpful Advice: Our team really knows S45C. They can give you simple, useful tips on picking the right kind, heating it, or cutting it to help your project go well.
Application
Customized Services
Precise Cuts
We'll cut things to the size you need, which means less wasted material and less machining for you.
Heat Treatment
Our partners can normalize, anneal, or quench and temper materials based on your designs, so they're all set for final machining.
Surface Prep
You can get your materials peeled, turned, or ground to get just the right diameter and a great finish for important jobs.
Packaging That Works
We change up our packaging (bundles, wooden boxes)so your materials get to you in great shape, no matter if they're going across town or overseas.
FAQ
Q: What's the big deal between S45C and SCM440?
A: S45C is your everyday medium-carbon steel. SCM440? That's a chromium-molybdenum alloy steel. SCM440 is tougher and stronger, especially when you're dealing with bigger pieces. It's what you want when parts are under a lot of stress. S45C is cheaper if it gets the job done.
Q: Can I get S45C bars that match other standards like ASTM or DIN?
A:Yes. We usually sell stuff made to JIS standards, but we can get you material that's the same as AISI 1045 (ASTM), C45 (DIN/EN), or other standards. Just let us know what you need when you ask about it.
Q: Do you give out certificates for the material?
A: Sure. We give you a Mill Test Certificate (MTC) that follows EN 10204 3.1 or something similar. It tells you what's in the batch chemically and how strong it is.
Q: How long does it usually take to get an order?
A: If we have the size and type you want sitting around, we can ship it in about a week or ten days. If you want something big, custom, or with special heat treatments, we'll give you a better estimate once we know what you're looking for.
Q: How do you weld S45C?
A: You gotta preheat and post-weld heat treat S45C. This keeps it from cracking and keeps the area around the weld strong. Talk to a welding expert about the right steps to take.
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