Customization: | Available |
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After-sales Service: | Free |
Warranty: | 1 Year |
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Chromium molybdenum steel, renowned as medium temperature hydrogen resistant steel, is an ingenious alloy composed of chromium (Cr), molybdenum (Mo), iron (Fe), and carbon (C). Its extraordinary high-quality capabilities make it an ideal choice for the production of valves and pressure vessels designed to withstand extreme temperatures and pressures, and it is a preferred material in the fabrication of premium automotive and motorcycle chassis and suspension systems.
In the realm of automobiles and motorcycles, chromium molybdenum steel pipes are pivotal in frame construction, offering unparalleled benefits such as being lightweight, possessing remarkable strength, and exhibiting resistance to corrosion.
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 |