Alloy Steel Rod/Bar
Alloy steel bars refer to a type of alloy steel with a cross-section similar to a round shape. Alloy steel bars are widely used in military industry, automobile, aviation, shipbuilding, railway, nuclear power and other industries. They are also used in the production of fasteners, gears, and other components that require increased strength and durability.
The specific combination of elements used in an alloy steel bar determines its properties, such as increased strength, hardness, and resistance to wear and corrosion.
The main processes of alloy steel rods are: hot-rolled alloy steel rods, cold-rolled alloy steel rods, and cold-drawn alloy steel rods.
The main shapes of alloy steel bars are: alloy steel round bar, alloy steel square bar, alloy steel flat bar, alloy steel hexagonal bar.
Alloy Steel Round Bar is made up of different material grades such as A-182, F5, F9, F11, F12, F22 & F91. These are made up of various metal alloys that are corrosion resistant and strong. Changjin is a leading supplier and manufacturer of these Alloy Steel Round Bar products.
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Alloy steel bar sells thousands of Shapes, Sizes, and Lengths of Alloy Steel, Annealed Alloy Steel, Cold Drawn Annealed Alloy Steel, Pre-Hardened Alloy Steel, Free Pre-Hardened Alloy Steel, Turn-Ground-Polished Alloy Steel, Quenched & Tempered Alloy Steel and more.
There are different compositions to the alloys and different specifications and standards. The bars come under ASTM, ASME and API standards with specifications in ASTM, ASME, SA 182, ASTM 276 and ASME SA 276.
| ISO | гOCT | DIN | US | JIS | UK | FR | ||
| ASTM | UNS | AISI | BS | NF | ||||
| 20Mn6 | 20г2 | 20Mn5 | G13200 | 1320 | SMn420 | 150M19 | 20M5 | |
| 28Mn6 | 30г2 | 28Mn6 | G13300 | 1330 | SMn433 | 150M28 | 32M5 | |
| 36Mn6 | 35г2 | 36Mn6 | G13350 | 1335 | SMn433 | 150M36 | 35M5 | |
| 42Mn6 | 40г2 | G13400 | 1340 | SMn438 | 40M5 | |||
| 45г2 | 46Mn7 | G13450 | 1345 | SMn443 | 45M5 | |||
| 50г2 | 50Mn7 | 55M5 | ||||||
| 17MnV6 | ||||||||
| 15X | 15Cr3 | G51150 | 5150 | SCr415 | 527A17 | 12C3 | ||
| 15XA | ||||||||
| 20Cr4 | 20X | 20Cr4 | G51200 | 5120 | SCr420 | 527A19 | 18C3 | |
| 30X | 28Cr4 | G51300 | 5130 | SCr430 | 530A30 | 28C4 | ||
| 34Cr4 | 35X | 34Cr4 | G513500 | 5135 | SCr435 | 530A36 | 38C4 | |
| 41Cr | 40X | 41Cr4 | G51400 | 5140 | SCr440 | 530A40 | 42C4 | |
| 45X | G51450 | 5145 | SCr445 | 45C4 | ||||
| 50X | G51500 | 5150 | 50C4 | |||||
| 38XC | ||||||||
| 12XM | 12CrMo44 | 12CD4 | ||||||
| 15XM | 15CrMo5 | SCM415 | 15CD4.05 | |||||
| 18CrMo4 | 20XM | 20CrMo4 | G41190 | 4119 | SCM420 | CDS12 | 18CD4 | |
| 30XM | G41300 | 4130 | SCM430 | CDS13 | 30CD4 | |||
| 34CrMo4 | 35XM | 34CrMo4 | G41350 | 4135 | SCM435 | 708A37 | 34CD4 | |
| 42CrMo4 | 38XM | 42CrMo4 | G41400 | 4140 | SCM440 | 708A40 | 42CD4 | |
| 12XMф | ||||||||
| 35XMф | 35CrMoV5 | |||||||
| 12X1Mф | 13CrMoV4·2 | |||||||
| 25X2MфA | 24CrMoV5·5 | |||||||
| 25X2M1фA | ||||||||
| 20X3MBф | 21CrVMoW12 | (SAE)6470E | SACM645 | 905M35 | 40CAD6·12 | |||
| 41CrA1Mo74 | 38XM1фA | 41CrA1Mo7 | G61200 | 6120 | ||||
| 20Xф | 21CrV4 | (SAE)6140 | ||||||
| 40XфA | 42CrV6 | |||||||
| 51CrV4 | 50XфA | 50CrV4 | G61500 | 6150 | SUP10 | 735A50 | 50CrV4 | |
| 15Xг | 16MnCr5 | 16MC5 | ||||||
| 20MnCr5 | 20Xг | 20MnCr5 | G51200 | 5120 | SMnC420 | 20MC5 | ||
| 40Xг | 5140 | SMnC443 | ||||||
| 20Xгс | ||||||||
| 25Xгс | ||||||||
| 30Xгс | ||||||||
| 30XгсA | ||||||||
| 35XгсA | ||||||||
| 25XгM | 20CrMo5 | 4119 | SCM421 | 708M40 | 42CD4 | |||
| 38XгM | SCM440 | |||||||
| 18XгT | ||||||||
| 30XгT | 30MnCrTi4 | |||||||
| 20XH | 20NiCr6 | 3120 | 637M17 | 20NC6 | ||||
| 40XH | 40NiCr6 | G31400 | 3140 | SNC236 | 640M40 | 35NC6 | ||
| 45XH | 45NiCr6 | G31450 | 3145 | |||||
| 50XH | 3150 | |||||||
| 12XH2 | 14NiCr10 | 3215 | SNC415 | 14NC11 | ||||
| 15CrNi13 | 12XH3A | 14NiCr14 | 3415 | SNC815 | 655M13 | 14NC12 | ||
| 20XH3A | 22NiCr14 | 20NC11 | ||||||
| 30XH3A | 31NiCr14 | 3435 | SNC631 | 653M31 | 30NC12 | |||
| 37XH3 | 35NiCr18 | 3335 | SNC836 | 35NC15 | ||||
| 12X2H4A | 14NiCr18 | G33106 | 3310 | 659M15 | 12NV15 | |||
| 20X2H4A | 3320 | 20NC14 | ||||||
| 20NiCrMo2 | 20XHM | 21NiCrMo2 | G86200 | 8620 | SNCM220 | 805M20 | 20NCD2 | |
| 40XHMA | 36NiCrMo4 | G43400 | 4340 | SNCM439 | 817M40 | 40NCD3 | ||
| 45XMфA | SNCM447 | |||||||
| 18X2H4BA | ||||||||
| 25X2H4BA | ||||||||
| NO | China | Russia | America | Britian | Japan | France | German |
| GB | ГОСТ | ASTM | BS | JIS | NF | DIN | |
| 1 |
30Mn2
|
30Г2 | 1330 | 150M28 | SMn433H | 32M5 | 30Mn5 |
| 2 | 35Mn2 | 35Г2 | 1335 | 150M36 | SMn438(H) | 35M5 | 36Mn5 |
| 3 | 40Mn2 | 40Г2 | 1340 | SMn443 | 40M5 | ||
| 4 | 45Mn2 | 45Г2 | 1345 | SMn443 | 46Mn7 | ||
| 5 | 50Mn2 | 50Г2 | ~55M5 | ||||
| 6 | 20MnV | 20MnV6 | |||||
| 7 | 35SiMn | 35CГ | En46 | 37MnSi5 | |||
| 8 | 42SiMn | 35CГ | En46 | 46MnSi4 | |||
| 9 | 40B | TS14B35 | |||||
| 10 | 45B | 50B46H | |||||
| 11 | 40MnB | 50B40 | |||||
| 12 | 45MnB | 50B44 | |||||
| 13 | 15Cr | 15X | 5115 | 523M15 | SCr415(H) | 12C3 | 15Cr3 |
| 14 | 20Cr | 20X | 5120 | 527A19 | SCr420H | 18C3 | 20Cr4 |
| 15 | 30Cr | 30X | 5130 | 530A30 | SCr430 | 28Cr4 | |
| 16 | 35Cr | 35X | 5132 | 530A36 | SCr430(H) | 32C4 | 34Cr4 |
| 17 | 40Cr | 40X | 5140 | 520M40 | SCr440 | 42C4 | 41Cr4 |
| 18 | 45Cr | 45X | 51,455,147 | 534A99 | SCr445 | 45C4 | |
| 19 | 38CrSi | 38XC | |||||
| 20 | 12CrMo | 12XM | 620Cr.B | 12CD4 | 13CrMo44 | ||
| 21 | 15CrMo | 15XM | A-387Cr.B | 1653 | STC42 | 12CD4 | 16CrMo44 |
| 22 | STT42 | ||||||
| 23 | STB42 | ||||||
| 24 | 20CrMo | 20XM | 41,194,118 | CDS12 | SCT42 | 18CD4 | 20CrMo44 |
| 25 | CDS110 | STT42 | |||||
| 26 | STB42 | ||||||
| 27 | 25CrMo | 4125 | En20A | 25CD4 | 25CrMo4 | ||
| 28 | 30CrMo | 30XM | 4130 | 1717COS110 | SCM420 | 30CD4 | |
| 29 | 42CrMo | 4140 | 708A42 | 42CD4 | 42CrMo4 | ||
| 30 | 708M40 | ||||||
| 31 | 35CrMo | 35XM | 4135 | 708A37 | SCM3 | 35CD4 | 34CrMo4 |
| 32 | 12CrMoV | 12XMΦ | |||||
| 33 | 12Cr1MoV | 12X1MΦ | 13CrMoV42 | ||||
| 34 | 25Cr2Mo1VA | 25X2M1ΦA | |||||
| 35 | 20CrV | 20XΦ | 6120 | 22CrV4 | |||
| 36 | 40CrV | 40XΦA | 6140 | 42CrV6 | |||
| 37 | 50CrVA | 50XΦA | 6150 | 735A30 | SUP10 | 50CV4 | 50CrV4 |
| 38 | 15CrMn | 15XГ,18XГ | |||||
| 39 | 20CrMn | 20XГCA | 5152 | 527A60 | SUP9 | ||
| 40 | 30CrMnSiA | 30XГCA | |||||
| 41 | 40CrNi | 40XH | 3140H | 640M40 | SNC236 | 40NiCr6 | |
| 42 | 20CrNi3A | 20XH3A | 3316 | 20NC11 | 20NiCr14 | ||
| 43 | 30CrNi3A | 30XH3A | 3325 | 653M31 | SNC631H | 28NiCr10 | |
| 44 | 3330 | SNC631 | |||||
| 45 | 20MnMoB | 80B20 | |||||
| 46 | 38CrMoAlA | 38XMIOA | 905M39 | SACM645 | 40CAD6.12 | 41CrAlMo07 | |
| 47 | 40CrNiMoA | 40XHMA | 4340 | 871M40 | SNCM439 | 40NiCrMo22 |
The bars range from 4mm to 350mm in diameter in general. They are corrosion resistant and strong with a minimum tensile strength range of 850MPa to 1000MPa. It is also resistant to wearing.
We can provide customized services according to customer needs, welcome to consult!
| Outer Diameter(mm) | Length(mm) | |
| Cold Drawn | 10-500 | 50-110000 |
| Hot Rolled | 10-500 | 100-12000 |
| Forging | 35-2000 | 30 – 8000 |
| Depending on your needs | ||
