EN 30CrNiMo8 Alloy Steel Round Bar / Alloy Steel Rod Diameter 10 - 320mm Steel Bars
EN 30CrNiMo8 Alloy Steel Round Bar / Alloy Steel Rod Diameter 10 - 320mm Steel Bars
Products Specification
| Products Name |
30CrNiMo8 Alloy Steel Round Bar |
| Diameter | 10 - 320mm |
| Length | 6m or custom cutting any length as request |
| Type | Hot Rolled |
| Brand | BAOSTEEL DELTA DONGBEI HUAXI SHAGANG.etc |
| MOQ | 1 Ton |
| Loading Port | Shanghai Port |
| Packing | packing by steel wire rope |
| Deliver time | 5 - 7 days for stock materials |
| Other Grade |
Q195,Q235,10#,20#,35#,45#,Q215,Q345,12Cr1Mov, 15CrMo,304,316,20Cr,40Cr,20CrMo,35CrMo,42CrMo, 40CrNiMo,GCr15,65Mn,50Mn,50Cr,3Cr2W8V,20CrMnTi,5CrMnMo |
| Standard | ASTM GB EN DIN |
| Application | Structure and Industrial |
Regular Standard Size of our 30CrNiMo8 Round Bar in Stock
| Standard Diameter | 10 12 15 18 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 120 130 140 150 160 180 200 210 220 230 250 270 300 |
The 30CrNiMo8 type of steel is made mostly for forming into wrought products. It is considered a structural steel and has medium hardenability yet it can accommodate heavy-duty components. It offers high elasticity and strength properties and when it is softened, the hardness level reaches a maximum of 248 HRB. It has a lot of resistance to various impacts and loads, but it is not all that great for welding. It also generally requires additional preheating before you can truly do anything with it.
Most companies that sell alloy steel products offer round bars, rolled or heat-treated, as well as other items made out of this steel.
Composition of the 30CrNiMo8:
| C | Cr | Mn | Mo | Ni | P | S | Si |
| 0.26-0.34 | 1.80-2.20 | 0.50-0.80 | 0.30-0.50 | 1.80-2.20 | 0.025max | 0.035max | 0.40max |
Mechanical properties of 30CrNiMo8, 1.6580
- Dimensions <16mm
- Tensile strength, Rm 1250 - 1450 N/mm2
- Yield strength, Re: >1050 N/mm2
- Elongation, A: >9%
- Necking, Z: >40%
- Dimensions 16-40mm
- Tensile strength, Rm 1250 - 1450 N/mm2
- Yield strength, Re: >1050 N/mm2
- Elongation, A: >9%
- Necking, Z: >40%
- Dimensions 40-100mm
- Tensile strength, Rm 1100 - 1300 N/mm2
- Yield strength, Re: >900 N/mm2
- Elongation, A: >10%
- Necking, Z: >45%
- Impact strength, KV: >35 J
- Dimensions 100-160mm
- Tensile strength, Rm 1000 - 1200 N/mm2
- Yield strength, Re: >800 N/mm2
- Elongation, A: >11%
- Necking, Z: >50%
- Impact strength, KV: >45J
- Dimensions 160-330mm:
- Tensile strength, Rm >850 N/mm2
- Yield strength, Re: >630 N/mm2
- Elongation, A: >12%
- Impact strength, KV: >45 J
- Dimensions >330mm
- Tensile strength, Rm >800 N/mm2
- Yield strength, Re: >590 N/mm2
- Elongation, A: >12%
- Impact strength, KV: >40 J
Heat treatment of 30CrNiMo8, 1.6580 steel
- Softening annealing at a temperature of 640 - 680℃
- Normalizing annealing at a temperature of 840 - 860℃
- Hardening with cooling in oil at 815 - 845℃
- Tempering with cooling in air at 550 - 650℃
Applications of this type of alloy steel include mostly components for automotive and mechanical engineering. Parts have to be designed for optimum toughness or strength to perform economically under severe dynamic stress, and that’s what this type of steel offers its customers.
Forging and Heat Treatment
To forge the 30CrNiMo8 alloy steel, the forming temperature needs to be 1560 to 1920° Fahrenheit. Normalizing temperatures need to be 1560 to 1600° Fahrenheit, and hardening temperatures should be 1000 to 1250° Fahrenheit and followed by an oil quench. Alloy steel manufacturer facilities usually sell these in bars, and they have medium hardenability design to accommodate a variety of products. Manufacturers do a great job, though, of making sure you get just what you need in the end.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.