Customization: | Available |
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After-sales Service: | Free |
Warranty: | 1 Year |
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Chromium molybdenum steel, often referred to as medium temperature hydrogen resistant steel, is a robust and reliable alloy composed of chromium (Cr), molybdenum (Mo), iron (Fe), and carbon (C). Celebrated for its exceptional high-quality performance, this alloy is frequently chosen for the creation of valves and pressure vessels that withstand high temperatures and pressures. Furthermore, it plays a crucial role in the design and construction of high-end automotive and motorcycle chassis and suspension systems.
In the realm of automotive and motorcycle manufacturing, the use of chromium molybdenum steel pipes is predominantly showcased in the fabrication of frames. These pipes offer remarkable benefits, including lightweight construction, superior strength, and excellent corrosion resistance.
Equivalent Material referance: | |||||||
GB | TOCT | ASTM/ASME | EN | BS | JIS | NF | DIN |
12CrMo | T2/P2 | STBA20 | |||||
15CrMo | T12/P12 | 13CrMo4-5 | SCM415/STBA22 | ||||
20CrMo | 4119 | SCM420 | |||||
30CrMo | 30XM | 4130 | 1717COS110 | SCM430 | 30CD4 | ||
35CrMo | 35XM | 4135 | 708A37 | SCM435 | 35CD4 | 34CrMo4 | |
42CrMo | 4140 | 708A42 | SCM440 | 42CD4 | 42CrMo4 | ||
12Cr1Mo | T11/P11 | 10CrMo5-5 | STBA23 | ||||
12Cr2Mo | T22/P22 | 10CrMo9-10 | STBA24 |
NO. | GRADE |
Ultimate
Strength(Mpa)
|
Yield
Strength(Mpa)
|
Elongation(%) | Hardness HBW |
1 | 12CrMo | 410 | 265 | 24 | 179 |
2 | 15CrMo | 440 | 295 | 22 | 179 |
3 | 20CrMo | 885 | 685 | 11 | 197 |
845 | 635 | 12 | 197 | ||
4 | 35CrMo | 980 | 835 | 12 | 229 |
5 | 42CrMo | 1080 | 930 | 12 | 217 |
NO. | GRADE |
Ultimate
Strength(Mpa)
|
Yield
Strength(Mpa)
|
Elongation(%) | Hardness HBW |
1 | 15CrMo | 400 | 300 | 25 | 190 |
2 | 20CrMo | 450 | 320 | 25 | 190 |
3 | 30CrMo | 500 | 350 | 22 | 200 |
4 | 35CrMo | 550 | 370 | 22 | 200 |
5 | 42CrMo | 580 | 390 | 20 | 205 |
steel grade | +C(BK) | +LC(BKW) | +SR(BKS) | +A(GBK) | +N(NBK) | |||||||
Rm(Mpa) | A(%) | Rm(Mpa) | A(%) | Rm(Mpa) | Reh(Mpa) | A(%) | Rm(Mpa) | A(%) | Rm(Mpa) | Reh(Mpa) | A(%) | |
25CrMo | 720 | 4 | 670 | 6 | - | - | - | - | - | - | - | - |
42CrMo | 720 | 4 | 670 | 6 | - | - | - | - | - | - | - | - |
Steel grade |
Ultimate
Strength(Mpa)
|
Yield
Strength(Mpa)
|
Elongation(%) portrait/landscape |
Impact energy portrait/landscape |
Hardness HBW | Hardness HV |
12CrMoG | 410~560 | 205 | 21/19 | 40/27 | 125~170 | 125~170 |
15CrMoG | 440~640 | 295 | 21/19 | 40/27 | 125~170 | 125~170 |
12Cr2MoG | 450~600 | 280 | 22/20 | 40/27 | 125~180 | 125~180 |
Grade | Chemical composition:(%) | ||||||
C | Si | Mn | P | S | Cr | Mo | |
12CrMoG | 0.08~0.15 | 0.17~0.37 | 0.40~0.70 | ≤0.025 | ≤0.015 | 0.40~0.70 | 0.40~0.55 |
15CrMoG | 0.12~0.18 | 0.17~0.37 | 0.40~0.70 | ≤0.025 | ≤0.015 | 0.80~1.10 | 0.40~0.55 |
12Cr2MoG | 0.08~0.15 | ≤0.50 | 0.40~0.60 | ≤0.025 | ≤0.015 | 2.00~2.50 | 0.90~1.13 |
Steel grade |
Ultimate
Strength(Mpa)
|
Yield
Strength(Mpa)
|
Elongation(%) portrait/landscape |
Impact energy portrait/landscape |
12CrMo | 410~560 | 205 | 21/19 | 40/27 |
15CrMo | 440~640 | 295 | 21/19 | 40/27 |
12Cr2Mo | 450~600 | 280 | 22/20 | 40/27 |
12Cr5Mo | 390~590 | 195 | 22/20 | 40/27 |
Grade | Chemical composition:(%) | ||||||||
C | Si | Mn | P | S | Ni | Gu | Cr | Mo | |
12CrMo | 0.08~0.15 | 0.17~0.37 | 0.40~0.70 | ≤0.025 | ≤0.015 | ≤0.30 | ≤0.20 | 0.40~0.70 | 0.40~0.55 |
15CrMo | 0.12~0.18 | 0.17~0.37 | 0.40~0.70 | ≤0.025 | ≤0.015 | ≤0.30 | ≤0.20 | 0.80~1.10 | 0.40~0.55 |
12Cr1Mo | 0.08~0.15 | 0.50~1.00 | 0.30~0.60 | ≤0.025 | ≤0.015 | ≤0.30 | ≤0.20 | 1.00~1.50 | 0.45~0.65 |
12Cr2Mo | 0.08~0.15 | ≤0.50 | 0.40~0.60 | ≤0.025 | ≤0.015 | ≤0.30 | ≤0.20 | 2.00~2.50 | 0.90~1.13 |
Steel grade |
Ultimate
Strength(Mpa)
|
Yield
Strength(Mpa)
|
Elongation(%) portrait/landscape |
Impact energy(J) portrait/landscape |
12CrMo | 410~560 | 205 | 21/19 | 40/27 |
15CrMo | 440~640 | 295 | 21/19 | 40/27 |
12Cr1Mo | 415~560 | 205 | 22/20 | 40/27 |
12Cr2Mo | 450~600 | 280 | 22/20 | 40/27 |
Equivalent Material referance: | ||||
GB | ISO | ASTM/ASME | EN | JIS |
12CrMo | T2/P2 | STBA20 | ||
15CrMo | 13CrMo4-5 | T12/P12 | 13CrMo4-5 | SCM415/STBA22 |
12Cr1Mo | T11/P11 | 10CrMo5-5 | STBA23 | |
12Cr2Mo | 11CrMo9-10 | T22/P22 | 10CrMo9-10 | STBA24 |
Grade | Condition |
Ultimate
Strength(Mpa)
|
Yield
Strength(Mpa)
|
Elongation(%)
|
Hardness HRB
|
4130 | HR | 621 | 483 | 20 | 89 |
SR | 724 | 586 | 10 | 95 | |
A | 517 | 379 | 30 | 81 | |
N | 621 | 414 | 20 | 89 | |
Grade | Condition |
Ultimate
Strength(Mpa)
|
Yield
Strength(Mpa)
|
Elongation(%)
|
Hardness HRB
|
4140 | HR | 855 | 621 | 15 | 100 |
SR | 855 | 689 | 10 | 100 | |
A | 552 | 414 | 25 | 85 | |
N | 855 | 621 | 20 | 100 |
Grade | Chemical composition:(%) | |||||||
Carbon | Manganese | Phospho | Sulfur | Silicon | Nickel | Chromium | Molybde | |
4118 | 0.18~0.23 | 0.70~0.90 | 0.040 | 0.040 | 0.15~0.35 | --- | 0.40~0.60 | 0.08~0.15 |
4130 | 0.28~0.33 | 0.40~0.60 | 0.040 | 0.040 | 0.15~0.35 | --- | 0.80~1.10 | 0.15~0.25 |
4135 | 0.32~0.39 | 0.65~0.95 | 0.040 | 0.040 | 0.15~0.35 | --- | 0.80~1.10 | 0.15~0.25 |
4137 | 0.35~0.40 | 0.70~0.90 | 0.040 | 0.040 | 0.15~0.35 | --- | 0.80~1.10 | 0.15~0.25 |
4140 | 0.38~0.43 | 0.75~1.00 | 0.040 | 0.040 | 0.15~0.35 | --- | 0.80~1.10 | 0.15~0.25 |
4142 | 0.40~0.45 | 0.75~1.00 | 0.040 | 0.040 | 0.15~0.35 | --- | 0.80~1.10 | 0.15~0.25 |
4145 | 0.43~0.48 | 0.75~1.00 | 0.040 | 0.040 | 0.15~0.35 | --- | 0.80~1.10 | 0.15~0.25 |
Size | OD 15mm-75mm |
Thickness 1-12mm | |
Processing | Cold rolled/ Cold drawn |
1. BK (+C) No heat treatment after last cold forming process. | |
2. BKW (+LC) After last heat treatment there is a light finishing pass ( cold drawing) | |
3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed. | |
4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere. | |
5. NBK (+N) After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere. | |
Packing | Woven bag/ Wooden or crate carton/ Bundle Packing/ Plain end or vanished as per customer's request. |
Delivery time | Normally 20-30 working days |