Special Usage Mold Steel
Size:
Round bar: 3.2 to 410mm
Flat bar: 10 to 90 x 105 to 610mm
Block: 100 to 200 x 400 to 600mm
Standard: ASSAB XW-42/JIS SKD11/DIN 1.2379
| 4340 Steel |
| Equivalent grades |
GB |
DIN |
AISI |
JIS |
|
| 40CrNiMoA |
1.6582 |
4340 |
SNCM8 |
|
| Chemical Composition |
C |
Si |
Mn |
Cr |
Mo |
Ni |
P |
S |
|
| 0.38-0.43 |
0.15-0.35 |
0.60-0.80 |
0.70-0.9 |
0.20-0.30 |
1.65-2.00 |
0.03max |
0.03max |
|
| Available size |
Round Bar |
Diameter |
Length |
| 70-600mm |
2000-6000mm |
| Flat Bar |
Thickness |
Width |
Length |
| 25-400mm |
200-800mm |
2000-6000mm |
| Surface condition |
Black surface/ Grinded/ Machined |
| Annealed hardness |
HBS≤248 |
| Characteristics |
special alloy steel, supplied in quenched and tempered conditions. High strength and tenacity, good hardenability. |
| Applications |
heavily loaded parts for mechanical engineering and motor construction. |
| Heat Treatment |
Forging |
Heat to 1150ºC Hold till uniform.Minimum forging temperature 850ºC.Cool slowly in ashes or sand etc. |
| Annealing |
Heat to 830ºC-850ºC.Cool infurnace. |
| Stress Relieving |
Annealed: Heat to 600ºC-650ºC.Hardened: Heat to 500ºC-550ºC.Cool in still air. |
| Hardening |
Heat to 830ºC-880ºC.Quench in oil or polymer. |
| Tempering |
Heat to 450ºC-660ºC cool in still air NB. Tempering within the range 250ºC-450ºC will result in temper brittleness and should be avoided. |
Applications:
XFD11 good toughness and wear resistance, suitable to make the blanking dies with a thickness over 6mm, drawing die and more
Features:
XFD11 is a high-carbon and high-chromium alloy tool steel
It has good wear resistance and size ability after heat treatment and is suitable for making long-life high-precision cold-work dies.
Wugang Chang Yu Long Industry and Trade Co., Ltd. was established in 2002,the Guangzhou LongShengHing Trading Co.,Ltd and Hongkong Chang Yu Long Trade Co.,Limited was establish in 2008.(The founder Mr.yan, the charge of the production department of the Hesteel Group Co.,Ltd.Hesteel is the world's second largest and China largest iron&steel maker and integrated service provider measured by the production capacity.he has been in steel industry for more than thirty years).
The Wugang Chang Yu Long Industry and Trade Co., Ltd. develop high-end product at first,like military steel and heavy plate,and gradually develop a more wide range of product.now the product contain steel plate,hot rolled steel coils,colded rolled steel coil,PPGI,galvanized steel coil,round bar,steel rebar,wire rod,etc.
Our product reach the specification of ASTM,JIS,BS,DIN and othe international standard and our shipbuilding plate get certificate of nine country classification society.
If you have any needs of steel products, can contact me, welcome to inquiry.
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