Superior Strength High Carbon Alloy Steel Q + T Heat Treatment DIN 1.7225
High Strength Alloy Tool Steel Plate 1.7225 / SAE4140 For High Carbon Steel
► Chemical Composition(%):
| C | Si | Mn | Cr | P | S | Mo |
| 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.90-1.20 | ≤0.035 | ≤0.035 | 0.15-0.25 |
► Similar grades: GB 42CrMo / DIN 1.7225 / AISI SAE4140 / JIS SCM440
► Available size(mm):
| Flat Bar Size(mm) | Round bar Size(mm) | |||
| Thickness | Width | Length | Diameter | Length |
| 10-200 | 155-2200 | 2000-6000 | 20-200 | 3000-6000 |
► Availabe shape:
- Steel Plate
- Flat Bar
- Round Bar
- Steel Block
- Steel Sheet
- Steel Rod
► Feature:
1,Good strength, hardenability and toughness.
2,High creep strength and long lasting strength under the high temperature.
► Surface treatment:
Round bar: Black / Grinding / Polished / Peeled / Turned
Steel plate: Black / Milling / Machined
► Recommend heat treatment:
| Quenching | Tempering | |||||
| Heating temperature/℃ | Cooling way | Hardness (HRC) | Tempering temperature/ºC |
Cooling way | Hardness (HRC) |
|
| 850-880 | Oil Cooling | 50-52 | 450-650 | Air cooling | ≥48 | |
► Applications:
Used in the manufacture of high strength, large cross-section forgings such as supercharger transmission gear,rear axle,hummar shank etc.
High strength, hardenability, good toughness, low deformation in quenching, high creep strength and endurance.Used in the manufacture requirements higher than 35 crmo steel strength and conditioning section more large forgings, such as locomotive traction with the big gear, supercharger drive gear, rear axle, the load of connecting rod and a spring clip, can also be used to under 2000 m deep well of oil drill pipe joint and the fishing tool and so on.
► Payment term:
30% deposit T/T and the balance by L/C at sight, or T/T
► Delivery condition:
For abundant stock, 15-20 days.For customized products, 30-50 days.
► Our services:
1, We are the professional supplier of stainless steel welded tubes or pipes;
2, Stock always kept for small scale emergency demand;
3, Small or big order can be delivered on time per customer’s requirement.
Product pictures:
► About Us:
Our company keeps the principle of "sincerely cooperation, endless striving for perfection".We desire to establish the long-term mutual beneficial and win-win relation with importers all over the word.
We have advanced technology of management, we win the trust because of our good quality.
We have clannish conscientious and passionate salesman, we gladden and steady the customers with our best service.
We are pure-hearted and awaiting for your kind attention to our company.
Corner of factory:
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