
We – EPG Group the bigge EPT Chain and agricultural gearbox factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828
1.2378 Forged Cold Working Die Steel Block
About us
HangZhou Highleader International EPT Chain Co., Ltd. founed in 2012, located in HangZhou City,
ZheJiang , China. HangZhou Highleader International EPT Chain Co., Ltd. is a comprehensive
enterprise who specializes in steel products processing and trading. Since the company founded,
has been committed to trading steel products including steel billets, tube billets, steel round bar
and square bar,steel pipe,profile steel etc.In the further development and demand of the market,
our comapny inve EPT more energy in further processing steel products with more technicial, to
meet the market demand and promote comapny development.
In 2016, we established our own steel processing center, built cold drawn, annealing, normalizing,
quenching&tempering production line and peeling, grinding, chamfering finishing line. Installed full
sets testing and inspecting equipments, to ensure the products quality stability and average. Take
advantage of our strong production capacity,to meet customer’s personalized and professional
requirements.
1. Steel Grade&Chemical composition
| Steel Grade |
C | Si | Mn | P | S | Cr | Ni | Mo | Cu |
| P20 | 0.28~0.40 | 0.20~0.80 | 0.60~ 1.00 |
≤0.02 | ≤0.005 | 1.40~ 2.00 |
0.30~ 0.55 |
≤0.25 | |
| 1.2311 | 0.35~0.45 | 0.20~0.40 | 1.30~ 1.60 |
≤0.02 | ≤0.01 | 1.80~ 2.10 |
0.15~ 0.25 |
≤0.25 | |
| 1.2738 | 0.35~0.45 | 0.20 ~0.40 | 1.30 ~ 1.60 |
≤0.02 | ≤0.01 | 1.80~ 2.10 |
0.90~ 1.20 |
0.15~ 0.25 |
≤0.25 |
| 1.2312 | 0.38~0.45 | 0.30~0.50 | 1.40~ 1.60 |
≤0.02 | 0.05~ 0.1 |
1.80~ 2.00 |
0.15~ 0.25 |
≤0.2 | |
| 718 | 0.32~0.40 | 0.20~0.80 | 1.10~ 1.50 |
≤0.02 | ≤0.005 | 1.70~ 2.00 |
0.85~ 1.15 |
0.25~ 0.40 |
≤0.25 |
| S55Cr | 0.50~0.57 | 0.15~0.40 | 0.80~ 1.00 |
≤0.02 | ≤0.005 | 0.30~ 0.40 |
≤ 0.5 | ≤0.25 | |
| Remarks:H≤2ppm N≤80ppm | |||||||||
2.Te EPT specification
Corner radius:R≤5mm
Curvature:≤3mm/m
Full block curvature:≤0.3%L
Right-angle: 90°±2
EPT Testing:SEP1921,thickness≤600mm:E/e; Thickness>600mm: D/d.
Forging ratio:≥4
3.Hardness
| P20 Series(P20,1.2311,SH2311,1.2312) Hardness: | ||
| Thickness(mm) | (HRC) | Can be negotiated |
| 200-300 | 30~36 | |
| 301-450 | 30~36 | |
| 451-520 | 30~36 | |
| 718 Series( 718,1.2728,SH2378) Hardness: | ||
| Thickness(mm) | (HRC) | Can be negotiated |
| 200-600 | 30~38 | |
| 601- 700 | 30~38 | |
| 701- 800 | 30~38 | |
| 801- 1000 | 30~38 | |
| 1001-1200 | 30~38 | |
| S55Cr Hardness:182-222HB(Normalizing+Tempering) | ||
4.Application
5.Packing & Loading
Contact Us
FAQ
Q: Are you trading company or manufacturer
A: We have our own factory with complete production equipment and inspection facilities
also doing steel bars trading.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not
in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free of charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Amount=10,000USD, 30% T/T in advance,
balance before shipment.
If you have another question, please feel free to contact us .
The use of original equipment manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed replacement parts contained herein are not sponsored, approved, or manufactured by the OEM.


