070M40 steel
Steel Category:Steel for Boilers and Pressure Vessels
Steel standard:BS 970
Steel grade:BS 970 070M40
Dimension: Thickness 5-300mm, Width 1500-3500mm, Length 3000-12000mm
Application: Quenched and subsequently tempered steel for screws, forgings, wheel tyres, shafts, sickles, axes, knives, wood working drills, hammers, etc
070M40 steel chemical composition:
|
Chemical elements |
C |
Si max. |
Mn |
P max. |
S max. |
Cr max. |
Mo max. |
Ni max. |
Cr+Mo+Ni max. |
|
|
%, by mass |
0,37-0,44 |
0,40 |
0,50-0,80 |
0,045 |
0,045 |
0,40 |
0,10 |
0,40 |
0,63 |
- |
|
Permissible deviation |
± 0,02 |
+ 0,03 |
± 0,04 |
+ 0,005 |
+ 0,005 |
+ 0,05 |
+ 0,03 |
+ 0,05 |
|
- |
070M40 steel mechanical property:
|
Thickness of ruling section tR |
|||||
|
Diameter in mm |
tR≤ 100mm |
100 < tR≤250mm |
250 < tR≤500mm |
500 < tR≤1000mm |
|
|
Remin (N/mm2) |
290 |
260 |
- |
- |
|
|
Rmmin (N/mm2) |
550 |
530 |
- |
- |
|
|
A % min. |
l-longitudinal |
17 |
17 |
- |
- |
|
tr -transverse |
- |
- |
- |
- |
|
|
KV min * (J) |
l-longitudinal |
- |
- |
- |
- |
|
tr -transverse |
- |
- |
- |
- |
|
1N/mm2=1MPa Heat treatment conditions
Quenching Temperature,0C |
Cooling medium |
Tempering Temperature,0C |
Normalizing temperature,0C |
|
830 to 870 |
Water or oil |
550 to 660 |
850 to 890 |
BEBON STEEL will offer you the details of 070M40 in the quickest time and appeal to all kinds of requirements.If you are a trader,a producer,a purchaser,a technical person or some kind of the career, You should have no hesitation to contact us if it's available as long as you want to be the No. 1 in your steel market. Our service will not disappoint you abosolutely.
Should you need 070M40 in BS 970 standard, please visit our website:http://www.bebonchina.com/e-store.
or contact us by TEL:0086-371-86151827,0086-371-86151527
FAX: 0086-371-86011881
Oficina Dir: 2801 B# International enteprise center Zhengzhou city in China.
Post Code: 450001
E-mail: [email protected]
Thanks for your attention in advance.
Just like you, 70% customers choose long-term cooperation with BBN steel not only for our good product and service quality, good reputation in the international market, but also for our experienced one-stop raw material supply and further steel processing!
