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Overview
Due to their workability, hardenability, product performance, affordability, and other characteristics, carbon tool steels are the most widely used cold-rolled special steel strips.
Carbon tool steel is used in a wide range of fields from hard applications including blades, cutting tools, and regular tools to applications that require elasticity and toughness including regular springs, spiral springs, knitting needles, horns, measuring tapes, and washers.
An overview of carbon tool steels (SK2, SK4, SK5, SK6, and SK7) and carbon steels (S15C, S45C, S50C, S55C, and S60C) is provided for the purposes of reference and comparison on the Special Steels and Carbon Steels page.
| Thickness (mm) | Width (mm) |
Coil Inside Diameter (mm) |
|
| Coil |
0.30~0.34 0.35~0.39 0.40~0.49 0.50~0.59 0.60~0.69 0.70~2.00 2.01~3.20 |
850~1100 850~1219 850~1400 850~1525 850~1575 850~1650 850~1260 |
506 or 610 |
| Strip | 0.30~3.20 | 7~850 | 506 or 610 |
Chemical composition
| Type | Designation | Chemical composition(%) | |||||||
| C | Si | Mn | P | S | Cï½’ | Ni | Others | ||
|
Special steel JIS G 3311 (4401)
|
SK2 (SK120) |
1.15～ 1.30 |
0.10～ 0.35 |
0.10～ 0.50 |
≦0.030 | ≦0.030 | ≦0.30 | ≦0.25 |
Cu≦0.25
|
|
SK4 (SK95) |
0.90～ 1.00 |
0.10～ 0.35 |
0.10～ 0.50 |
≦0.030 | ≦0.030 | ≦0.30 | ≦0.25 | ||
|
SK5 (SK85) |
0.80～ 0.90 |
0.10～ 0.35 |
0.10～ 0.50 |
≦0.030 | ≦0.030 | ≦0.30 | ≦0.25 | ||
|
SK6 (SK75) |
0.70～ 0.80 |
0.10～ 0.35 |
0.10～ 0.50 |
≦0.030 | ≦0.030 | ≦0.30 | ≦0.25 | ||
|
SK7 (SK65) |
0.60～ 0.70 |
0.10～ 0.35 |
0.10～ 0.50 |
≦0.030 | ≦0.030 | ≦0.30 | ≦0.25 | ||
| Grade | Finishing condition | Hardness test | Tensile test | |
| HV | Tensile strength N/mm2 | Elongation % | ||
|
SK-2 (SK120) |
Annealed | 170–210 | 520–685 | 20–32 |
| Skin passed | 190–230 | 570–715 | 10–28 | |
| Rolled | 250–290 | 735–980 | 2–15 | |
| Full hardened | 280–320 | 835–1080 | 1–3 | |
|
SK4 (SK95) |
Annealed | 160–200 | 490–645 | 24–35 |
| Skin passed | 175–215 | 540–695 | 12–32 | |
| Rolled | 245–285 | 725–970 | 2–15 | |
| Full hardened | 270–310 | 825–1040 | 1–4 | |
|
SK5 (SK85) |
Annealed | 150–190 | 460–625 | 26–37 |
| Skin passed | 170–210 | 510–685 | 15–35 | |
| Rolled | 240–280 | 725–930 | 3–16 | |
| Full hardened | 260–300 | 805–1000 | 1–5 | |
|
SK6 (SK75) |
Annealed | 145–185 | 440–615 | 27–38 |
| Skin passed | 160–200 | 490–665 | 15–35 | |
| Rolled | 235–275 | 715–920 | 3–16 | |
| Full hardened | 255–295 | 795–990 | 1–5 | |
|
SK7 (SK65) |
Annealed | 140–180 | 410–610 | 28–39 |
| Skin passed | 155–195 | 460–655 | 16–36 | |
| Rolled | 230–270 | 705–900 | 3–17 | |
| Full hardened | 250–290 | 775–970 | 1–5 | |
| Full hardened | 200–240 | 655–735 | 1–8 | |
About us
- Company profile -
Established in 2005, Taian
Henson Metal established in 2005,specializes in manufacturing and supplying
metallic products and customized processing services to customers all over the world.
With the competency to integrate domestic and foreign resources, Henson can supply global customers with variety of steel products,and is professional in steel strip, steel tube and processed metals.We are not only being able to offer our customers with the best quality products and competitive prices, but also provide the best solutions for the procurement of steel.
Nowadays, HENSON has successfully developed into a famous brand in China. We 'll continuously provide high-quality services and products. In addition, we 'll constantly improve our service and management to provide the best products and services as well as creating the greatest value for our present and future customers.
Our vision:
To be a leading international metal supplier and service enterprise by
creating diversified products, attracting elite people and maximizing
our strength, we will continue to create the best values for the customers
with the specialized team, the most professional channel,information
technology,management and exceptional customer service.
Four Core Values:
Henson strives to deliver unparalleled value and cutting-edge solutions to our clients.
We are guided and motivated by the following 4 core values.
1 -Professional
Our specialized team is dedicated to high quality of our services and excellence in our work.
Henson, prides itself on the professional relationship we develop with all customers.
2 -Reliable
We are reliable because we know the market, we are honest, truthful and we will meet our promise to our clients.
Our clients’ success becomes our success. We provide our clients with the best value products in an
effort to grow their reputation within their industry.
3 -Efficient
We are committed to delivering a total solution of metals, metal processing, logistics and technical
services to fulfill our client’s requirements in the most efficient and cost-effective manner.
4 -Safety
Working with Henson,your money is safe. Every penny of yours will not be lose. Your goods are safe.
We'll treat them like our own children until they are delivered to your hands safely.
- Customised processing service -
In order to meet the processing request of more customers, we have added three new machining center divisions, first one is 5000W laser machining center, which can cut and bend according to customer's size, sandblasting machining center, painting processing center, With high quality products and top after-sales service, we have won trust and support of customers from all over theworld. Our steel products have been exported to 80 countries and areas: Chile, Peru, Russia, Mongolia, Philippines, Egypt, SaudiArabia, India, United States, Canada Australia and so on.
Packaging Shipping
1) 20ft container: 26tons (Can load 5.8M Max)
2) 40ft container: 26tons (Can load 11.8M Max)
3) more than 100tons:can pack by bulk vessel
4) as your requirement.
FAQ
Q1 : Do we have access to a sample of the merchandise ?
A1 : Of course, our company offers free samples to our customers, but the courier costs should be borne by the customers themselves.
Q2 : How many countries you export to ?
A2 : We export our goods to over 30 countries such as United States,Canada,Turkey,Vietnam,etc.
Q3 : Do you accept other product certifications ?
A3 : We accept all formal product testing and certification to ensure that the products our customers receive are up to scratch.
Q4: What types of metal products do you mainly sell ?
A4: We mainly sell various metal materials, such as stainless steel, copper, carbon steel, alloy steel, etc.
Contact Us
With Concept of "Keep Improving,Win-win Cooperation",and executed by reliable quality and after sales service system, We gained good reputation from customers at home and abroad.We sincerely welcome you come to our company to negotiate business and make a great achievement!
