Complaint
Free Cutting 42CrMo4/ 42CrMo/ 4140/ Flat Bar/Steel Block/Round Bar Plastic Mold Steel
4140 Steel Block and Flat, A or Q+T
Equivalence
| AISI/SAE | DIN/W.Nr | JIS | GB | ||||||||
| 4140 | 42CrMo4 | SCM440 | 42CrMo | ||||||||
| 42CrMoS4 | |||||||||||
| 1.7225 |
Chemical Composition (%)
| Steel Grade | C | Si | Mn | P | S | Cr | Mo | ||||||||
| 42CrMo4 1.7225 | 0.38 | ≤ | 0.60 | ≤ | ≤ | 0.90 | 0.15 | ||||||||
| 0.45 | 0.40 | 0.90 | 0.035 | 0.035 | 1.20 | 0.30 | |||||||||
| 42CrMoS4 | 0.38 | ≤ | 0.60 | ≤ | 0.020 | 0.90 | 0.15 | ||||||||
| 0.45 | 0.40 | 0.90 | 0.035 | 0.040 | 1.20 | 0.30 | |||||||||
| 4140 | 0.38 | 0.15 | 0.75 | ≤ | ≤ | 0.80 | 0.15 | ||||||||
| 0.43 | 0.35 | 1.00 | 0.035 | 0.040 | 1.10 | 0.25 | |||||||||
| SCM440 | 0.38 | 0.15 | 0.60 | ≤ | ≤ | 0.90 | 0.15 | ||||||||
| 0.43 | 0.35 | 0.85 | 0.035 | 0.040 | 1.20 | 0.30 | |||||||||
| 42CrMo | 0.38 | 0.17 | 0.50 | ≤ | ≤ | 0.90 | 0.15 | ||||||||
| 0.45 | 0.37 | 0.80 | 0.035 | 0.035 | 1.20 | 0.25 |
Dimensions
| Hot Rolled | Forged | Cold Drawn | |||||||||
| Diameter(mm) | 10-260 | 150-1500 | 2.5-70 | ||||||||
| Length(mm) | 4000-10000 | 3000-10000 | 4000-10000 | ||||||||
Forging Technique
| Heat Temperature | Start Forging Temperature | Finish Forging Temperature | Cooling Method | ||||||||
| 1150-1200ºC | 1130-1180ºC | ≥850ºC | Slow Cooling for Φ>50mm | ||||||||
Delivery Condition
EAF+LF+VD, Hot Rolled, Forged and Cold Drawn, Black surface or Machined (Peeled, Turned, Grinded),
Untreated or Annealed or Q+T, UT 100% Passed
Characteristics
1. Ultrahigh strength steel with high intensity and toughness.
2. Good harden ability, High fatigue limit and capability of impact resistance after Q+T.
3. No obvious temper brittleness.
Applications
1. For making crucial mechanical parts with high intensity and large sections, such as shaft, gear and connecting rod.
2. For making large and medium size of plastic mold.
What we can offer?
We offer a wide range of steel products in a wide variety of dimensions and executions, acc.to the common international specifications or customerized.
Machining and heat treatment are available.
Also, we advise you in choosing the right materials.
Shape Available
Solid round bar
Flat bar
Square bar
Hexagon bar
Block
Plate
Sheet
Wire rod
Strip
| AISI | DIN | JIS | Stock | Application |
Hot Work Tool Steel | H11 | 1.2343 | SKD6 | √ | Die Casting Dies,Extrusion Dies, Hammer Dies, |
H13 | 1.2344 | SKD61 | √ | ||
H10 | 1.2365 | SKD7 |
| ||
-- | 1.2367 | -- |
| ||
L6 | 1.2714 / 1.2713 | SKT4 | √ | ||
H12 | 1.2606 | SKD62 |
| ||
H21 | 1.2581 | SKD5 | √ | ||
Cold Work Tool Steel | D3 | 1.2080 | SKD1 | √ | Cutting Tools, Punching Tools, Shear Bladers, Reamers, Thread Rolling Dies, Calipers, Sockets etc. |
-- | 1.2601 | ~SKD11 | √ | ||
D2 | 1.2379 | ~SKD11 | √ | ||
-- | 1.2379 MOD | DC53 (Daido) | √ | ||
D6 | 1.2436 | -- |
| ||
O1 | 1.2510 | SKS3 | √ | ||
O2 | 1.2842 | -- |
| ||
A2 | 1.2363 | SKD12 |
| ||
S1 | 1.2550 | -- |
| ||
S7 | 1.2357 | -- |
| ||
-- | 1.2767 | SKT6 |
| ||
L2 | 1.2210 | -- |
| ||
Plastic | P20 | 1.2311 | -- | √ | Mold Base, Core & Cavity, Bumper Mold etc. |
P20+Ni | 1.2738 | -- | √ | ||
P20+S | 1.2312 | -- | √ | ||
-- | 1.2316 | -- |
| ||
420 | 1.2083 | SUS420J2 | √ | ||
-- | -- | NAK80 (Daido) | √ | ||
Alloy Steel | 4120 | 25CrMo4 / 1.7218 | SCM420 |
| Shafts, Gears, Drillers, Chains, Bolts, Nuts, Pins, Suds, Keys, Bites, Crankshafts, Connecting Rods, Came, Couplings etc. |
4135 | 34CrMo4 / 1.7220 | SCM435 |
| ||
4130 | 34CrMo4 / 1.7220 | SCM430 | √ | ||
4140 | 42CrMo4 / 42CrMoS4 / 1.7225 | SCM440 | √ | ||
4142 | 41CrMo4 / 1.7223 | SCM440 |
| ||
4145H | -- | -- |
| ||
4330V | -- | -- |
| ||
4340 | 34CrNiMo6 / 1.6582 | SNCM439 |
| ||
5115 | 16MnCr5 / 16MnCrS5 / 1.7131 |
|
| ||
5120 | 20MnCr5 / 20MnCrS5 / 1.7147 | SMnC420H |
| ||
5140 | 41Cr4 / 41CrS4 / 1.7035 | SCr440 | √ | ||
8620 | 21NiCrMo2 / 1.6523 | SNCM220 |
| ||
8640 | 40NiCrMo2-2 / 1.6546 | SNCM240 |
| ||
-- | 18CrNiMo7-6 / 17CrNiMo6 / 1.6587 | -- |
| ||
9840 | 36CrNiMo4 / 1.6511 | -- |
| ||
E71400 | 41CrAlMo7-10 / 1.8509 | SACM1 |
| ||
-- | 34CrAlNi7 / 1.8550 | -- |
| ||
Bearing Steel | E52100 | 100Cr6 / 1.3505 | SUJ2 | √ | Bearing, Shafts |
-- | 100CrMn6 / 1.3520 | -- |
| ||
-- | 100CrMo7-3 / 1.3536 | -- |
| ||
Spring Steel | 5155 | 55Cr3 / 1.7176 | SUP9 |
| Springs |
6150 | 51CrV4 / 1.8159 | SUP10 |
| ||
9261 | 60CrSi7 / 1.7108 | -- |
| ||
Carbon Steel | 1010 | CK10 / C10E / 1.1121 | S10C |
| Shafts, Chains, Bolts, Nuts, Pins, Suds, Keys, Bites, Came, Couplings etc. |
1020 | C22 / 1.0402 | S20C | √ | ||
1040 | CK40 / C40E / 1.1186 | S40C | √ | ||
1045 | CK45 / C45E / 1.1191 | S45C | √ | ||
1050 | CK50 / C50E / 1.1206 | S50C | √ | ||
1055 | CK55 / C55E / 1.1203 | S55C |
| ||
1064 | CK60 / C60E / 1.1221 | S58C |
| ||
High Speed Tool Steel | M2 | 1.3343 | SKH51 | √ | Reamer, |
M7 | 1.3348 | -- |
| ||
M42 | 1.3247 | SKH59 | √ | ||
M35 | 1.3243 | SKH55 | √ | ||
T1 | 1.3355 | SKH2 |
| ||
T15 | 1.3202 | -- |
| ||
T42 | 1.3207 | SKH57 |
|
Note:
1). √ means we have stoc
2). Delivery Condition:
Smelting: EAF+LF+VD (+ESR)
Making: Hot rolled, Cold rolled, Forged, Cold Drawn
Heat Treatment: Untreated, Annealing, N+T, Q+T
Surface: Black, Peeled, Turned, Milled, Grinded, Polished
