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| After-sales Service: | Support |
| Warranty: | Lifetime Warranty |
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16MnCr5 1.7131 Alloy Steel
| Grade : | 16MnCr5 |
| Number: | 1.7131 |
| Standard: | EN 10084 : 2008 Case hardening steels. Technical delivery conditions EN 10132 - 2 : 2000 Cold rolled narrow steel strip for heat treatment. Technical delivery conditions. Case hardening steels |
| Classification: | Case hardening steels |
| 16MnCr5 EN 10084-1998, Number: 1.7131 | Comparison of steel grades | |
| JUS | Č.4320 | |
| DIN | 16MnCr 5; ZF 6 | |
| BS | 590M17, | |
| GOST | 18HG | |
| AISI | SAE 5115, SAE 51204 | |
| UNI | 16MnCr5 | |
| NF | 16MC5 | |
Chemical composition (cast analysis)
| Chemical elements | C | Si max. |
Mn | P max. | S | Cr |
| %, by mass | 0,14-0,19 | 0,40 | 1,00-1,30 | 0,035 | ≤ 0,035 | 0,80 - 1,10 |
| Permissible deviation | ± 0,02 | + 0,03 | ± 0,05 | + 0,005 | + 0,005 | ± 0,05 |
Hardness limits for steel
| Hardness HRC at a distance from quenched end of test piece (in milimetres) of | ||||||||||||||||
| mm | 1,5 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | |
| +H | max. | 47 | 46 | 44 | 41 | 39 | 37 | 35 | 33 | 31 | 30 | 29 | 28 | 27 | - | - |
| min. | 39 | 36 | 31 | 28 | 24 | 21 | - | - | - | - | - | - | - | - | - | |
| +HH | max. | 47 | 46 | 44 | 41 | 39 | 37 | 35 | 33 | 31 | 30 | 29 | 28 | 27 | - | - |
| min. | 42 | 39 | 35 | 32 | 29 | 26 | 24 | 22 | 20 | - | - | - | - | - | - | |
| +HL | max. | 44 | 43 | 40 | 37 | 34 | 32 | 30 | 28 | 26 | 25 | 24 | 23 | 22 | - | - |
| min. | 39 | 36 | 31 | 28 | 24 | 21 | - | - | - | - | - | - | - | - | - | |
Hardness requirements for products delivered in the conditions ''treated to improve shearabilita'' (+S), ''anneled to maximum hardness requirements'' (+A), ''treated to hardness range'' (+TH) or ''treated to ferrite-pearlite structure and hardness range'' (+FP)
| Brinell hardness in the condition | ||||||
| +S max. | +A max. | +TH | +FP | |||
| min. | max. | min. | max. | |||
| * | 207 | 156 | 207 | 140 | 187 | |
Non-metallic inclusions Requirements for microscopic degree of purity when tested in accordance with DIN 50 602 (method K) (valid for oxidic non-metallic inclusions)
| D (mm) Bars Diameter d (mm) | K Total characteristic value K (oxides) for the individual cast |
| 140 < d 200 | K 4 ≤ 50 |
| 100 < d ≤ 140 | K 4 ≤ 45 |
| 70 < d ≤ 100 | K 4 ≤ 40 |
| 35 < d ≤ 70 | K 4 ≤ 35 |
| 17 < d ≤ 35 | K 3 ≤ 40 |
| 8 < d ≤ 17 | K 3 ≤ 30 |
| d ≤ 8 | K 2≤ 35 |
Conditions for heat treating test bars and treatment of the steels
| End quenchh test Quenching, 0C | Carbunnzing temperature, 0C | Core-hardening temperature, 0C | Case-hardening temperature, 0C | Tempering, 0C |
| 870 | 880 to 980 | 860 to 900 | 780 to 820 | 150 to 200 |
General Applications
Widely used for stransmission system,motor of tractor and middle-small auto. Alternative 12CrNi3 to make higher class carburization and cyanide carburizing parts such as oil drilling,claws and cone for mining.
It is commonly used for carburized gears, pinions, shafts, bearings, piston rings, ring gears, crankshafts, etc.
| COLD WORK TOOL STEEL | |||||
| Grade | AISI /ASTM | DIN (W.Nr) | JIS | EN/ BS | GB |
| DC53 | higher than D2 | SKD11 | XW-5 | Cr8Mo2Vsi | |
| D2 | D2 | 1.2379 | SKD11 | BD2 | CR12MO1V1 |
| Cr12MoV | CR12MOV | ||||
| D3 | D3 | 1.2080 | SKD1 | BD3 | CR12 |
| O1 | O1 | 1.2510 | SKS3 | 9CRWMN | |
| HMD5 | HMD5 | 7CrSiMnMoV | |||
| 5CrNiMo | L6 | 55NiCrMoV6 | SKT4 | 5CrNiMo | |
| 52100 | 52100 | 1.3505 | EN31 | GCR15 | |
| HOT WORK TOOL STEEL | |||||
| H13 | H13 | 1.2344/1.2342 | SKD61/DAC | 8407 | 4CR5MOSIV1 |
| FDAC | 1.2347 | FDAC | FDAC | ||
| H11 | H11 | 1.2343 | SKD6 | H11 | |
| 3Cr2W8V | H21 | 1.2581/ X30WCrV93 | SKD5 | BH21 | 3CR2W8V |
| PLASTIC MOULD STEEL | |||||
| P20 | P20 | 1.2311 | HPM7/PX88 | 618 | 3CR2MO |
| 718 | P20+NI | 1.2738 | PX4/PX5 | 718 | 3CR2NIMO |
| S136 | 420 | 1.2083 | S-STAR | S136 | 4CR13 |
| NAK80 | P21 /P20+S | 1.2312 | NAK80 | 15NI3MN | |
| HIGH SPEED STEEL | |||||
| M2 | M2 | SKH51 | W6MO5CR4V2 | ||
| M42 | M42 | S2-10-1-8 | SKH59 | W2MO9CR4VCO8 | |
| ALLOY STRUCTURE STEEL | |||||
| Grade | AISI /ASTM | DIN (W.Nr) | JIS | EN/ BS | GB |
| 5120 | 5120 | 1.7027 /21Cr4 | SCr420 | 20Cr | |
| 530M40 /5140 | 530M40 /5140 | 1.7035 /41Cr4 | SCr440 | 40Cr | |
| 5145 | 5145 | Scr445 | 45CR4 | ||
| 4118 | 4118 | 1.7243 /18CrMo4 | SCM418 / SCM420 | 20CrMo | |
| 4135 | 4130 | 1.7218 /25CrMo4 | SCM430 | 708A25/ 708M25 | 30CrMo |
| 4140 | 4140 | 1.7225 /42CrMo4 | SCM440 | EN19/ 709M40 | 42CrMo |
| 4340 | 4340 | 1.6582/ 34CrNiMo6 | SNCM 439/ SNCM8 | EN24/ 817M40 | 40CrNi2Mo |
| 8620 | 8620 | 1.6523/ 21NiCrMo2 | SNCM220 | 805M20 | 20CrNiMo |
| CARBON STEEL | |||||
| 20 | 1020 | C22. CK22 | S20C | EN3B /070M20 | 20 |
| 35 | 1035 | C35.CK35 | S35C | 35 | |
| 45 | 1045 | C45.CK45 | S45C | EN8D/C45E | 45 |
| 50 | 1050 | CK53 | S50C | EN9/070M55 | 50 |
| Q355 | S355J /ST52 | EN14 | Q355 | ||
| 30Mn | 1030.1033 | S30C | 30Mn | ||
| 30Mn2 | 1330 | 30Mn5 | SMn433h | 30Mn2 | |
| STAINLESS STEEL | |||||
| steel grades: 304, 304L, 316, 316L, 321, 410 430, 431, 2205, 2304, 2507. F53, F55 | |||||
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