Since the establishment of our company, we have taken the promotion of national industries as our own responsibility and our goal is to become a leading provider of best steel for plastic mould, Spring Steel Strip, 1.2379 die steel flat in China. We always aim at quality and efficiency, and good reputation, facing the international market. We focus on technology research and development, and continue to innovate with our advanced production equipment.
M42 High speed tool steel bar
M42 High speed tool steel bar is mainly used in manufacturing aerospace iron base,nikel base,Ti-base superalloy and many other difficult-to-machine material cutting tools, such as broach,hob,slotting cutter and band saw blades teeth.

Product Basic Information:
High Speed Steel M42 Chemical Composition (%)
|
Grade |
C |
Si |
Mn |
Co |
P |
S |
Cr |
Mo |
W |
V |
|
M42 |
1.00~1.15 |
≤0.65 |
≤0.40 |
7.50~8.50 |
≤0.030 |
≤0.030 |
3.50~4.50 |
9.00~10.00 |
1.15~1.85 |
0.95~1.35 |
High Speed Steel M42 Description
|
Material |
W2Mo2Cr4VCo8 / M42 / 1.3247 / SKH59 |
|
Size |
1.5mm-200mm |
|
Length |
2.5m-6.0m |
|
Surface |
bright or black |
|
Condition Of Delivery |
Annealing/ heat-treatment |
|
Processing |
hot rolled, cold drawn or forged |
|
Smelting method |
ESR |
|
HB |
≤ 255 |
|
HRC |
66-68 |
|
Tempering Temperature |
540~560℃ |
|
Quenching Temperature & Cooling Method |
Salt Bath 1170~1190℃ Air Coolin *-g |
High Speed Steel M42 Physical Property
|
Temperature ℃ |
Density g/cm3 |
Modulus of elasticity KN/mm2 |
Coefficient of thermal expansion |
Heat transfer coefficient W/m℃ |
Specific heat J/Kg℃ |
|
20 |
8.18 |
230 |
22 |
395 |
|
|
400 |
8.10 |
215 |
1.18 x 10-6 |
27 |
485 |
|
600 |
8.03 |
201 |
1.95 x 10-6 |
25 |
525 |
High Speed Steel M42 Heat treated alloy phase and property
|
Ingot Annealing State |
Quenching State |
Tempering |
Quenching State And Performance |
||||||||
|
Alloy Phase |
Temperature |
Residual Carbide% |
Retained Austenite% |
Quenched martensite |
Temperature |
Martensite |
Rockwell hardness |
Bending strength |
Impact toughness |
Compressive strength |
|
|
Name |
Occupancy Rate % |
||||||||||
|
M2C |
27~31 |
1170~1190 |
9~13 |
29~32 |
Bal |
540~ 560 |
87~91 |
66~68 |
2800~3600 |
28~35 |
3580~4150 |
|
M6C |
|||||||||||
|
MC |
|||||||||||
|
M23C6 |
|||||||||||
|
M7C3 |
|||||||||||
|
F |
69~73 |
||||||||||
High Speed Steel M42 High temperature hardness
|
Quench:1180℃ Tempering:540℃ |
|||||||
|
Room temperature |
300℃ |
400℃ |
500℃ |
550℃ |
600℃ |
650℃ |
700℃ |
|
920 67.5HRC |
900 67.0HRC |
885 66.0HRC |
830 65.0HRC |
780 63.3HRC |
750 62.0HRC |
700 60.1HRC |
640 58.0HRC |
Grinding


High Speed Steel M42 Product specification and standard
|
Forging |
Hot-rolling |
Cold drawing |
Tolerance |
|
Round bar:φ56mm~φ300mm Plate:20mm~250mm x 100mm~500mm x L |
Round bar:φ14mm~φ55mm Strip:1.5mm~4mm x 27mm~260mm |
Round bar:φ1.5mm~φ14mm Strip:1.5mm~4mm x 27~260mm Wire:φ1.0mm~φ14.0mm |
Polished: (h9) Peeled: (k12) |


Packing & Delivery
Standard seaworthy package:
1)Paint oil on the surface to protect the steel flat bars from rusting
2)Bundle packing by iron strips.
3)Bundle weight is from 2Mt to 3Mt
4)Two or three tags will be attached on each bundle.In general,at one end of each other.
5)According to the customer's demand.

FAQ
1.Why do you choose us?
We have excellent quality, competitive price and the best service.
Free samples, real-time production process, guaranteed delivery time, trade assurance service.
2.Why can you rely on us for quality product?
Advanced equipment, professional staff, and strict technique supervision.
We have passed the certificate of ISO 9001 system.
3.How about the price?
Working with us, you can lower your cost and beat your competitors.
Quanlity and special discount.
4.What about the delivery time?
Usually, the products will be delivered in about 45 days after received the deposit. For products on stock, they will be delivered in about 10 days after received the payment.
5.How about the payment?
We accept various methods of payment: T/T, L/C, Trade Assurance, West Union, MoneyGram, Paypal, Credit Card, Cash, D/A, D/P.
Our Service

Our company is a set of advanced technology and modern management tools research and development as one of the 1.3247/M42 High Speed Special Die Steel Round Bar for Cutters manufacturer. Our company spirit is "attitude is everything, the details determine success or failure". We have a group of professional and high-tech personnel, ready to provide customers with professional technical support and perfect services at any time.

