| Model: | A8 steel |
|---|---|
| Brand: | A8 Tool Steel |
| Origin: | Made In China |
| Category: | Metallurgy , Mining & Energy / Metallurgy & Mining / Bars, Rods, Angles, and Stainless Steel Shapes |
| Label: | A8 Tool Steel , A8 wide flats , A8 Square bars |
| Price: |
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| Min. Order: | - |
| Live Chat: | Last Online:05 Jul, 2016 |
A8 Tool Steel
|
Standards |
DIN |
AISI |
JIS |
ГОСТ |
|
X50CrMoW9-1-1 |
1.2631 modified |
A8 |
|
|
ALTA SPECIAL STEEL supply DIN 1.2631 modified / AISI A8 in round bar, plate, square, sheet and block.
A medium carbon, air-hardening tool steel that is characterized by a combination of very good toughness, intermediate wear resistance, and excellent dimensional stability in heat treatment. Has been used for punches that operate in the 55 to 60 Rockwell C hardness range. More toughness than A-2 or D-2, More wear resistance than S-7, very stable in heat treatment.
We welcome your inquiries for tool steel, please contact us for quotation sales@altaspecialsteel.com
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Chemical Composition
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
W |
|
0.50-0.60 |
0.75-1.10 |
0.20-0.50 |
≤0.030 |
≤0.030 |
4.75-5.50 |
1.15-1.65 |
1.00-1.50 |
Product Range
Round bars : Dia 50mm - 500mm
Flat bars : Thick 20mm - 400mm, width up to 810mm
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Applications : punches, drift pins, pneumatic tools, forming dies, blanking dies, chuck jaws, hammers, hot rolls, and hot and cold shear knives. _________________________________________________________________________________________
Heat Treatment
|
Way |
Temperature[℃] |
Remark |
|
Forging |
1090 - 1150 |
|
|
Soft annealing |
830 - 845 |
Max 240HB after annealing |
|
Quenching |
995 - 1010 |
Cool in oil or air or hot bath 500-550℃ |
|
Tempering |
150 - 590 |
|
|
℃ |
100 |
200 |
300 |
400 |
500 |
600 |
|
HRC |
61 |
58 |
55 |
55 |
58 |
49 |
