Customization: | Available |
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After-sales Service: | Free |
Warranty: | 1 Year |
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Chromium molybdenum steel, renowned for its resilience against medium temperature hydrogen, is a high-performance alloy composed of chromium (Cr), molybdenum (Mo), iron (Fe), and carbon (C). This exceptional alloy is pivotal in manufacturing valves and pressure vessels that withstand high temperatures and pressures, and is a preferred choice for high-end automotive and motorcycle frameworks and suspension systems.
In the realm of automotive and motorcycle industries, chromium molybdenum steel pipes shine in frame manufacturing, offering unparalleled advantages such as lightweight structure, superior strength, and impressive 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 |