1.[ Steel 30CrNiMo8 1.6580 SNCM431 30CND8 823M30 pipe&tube ]
Introduction: Standard: | EN 10083-3: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels | EN 10269: 1999 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties | EN 10250-3: 2000 Open steel die forgings for general engineering purposes. Alloy special steels | EN 10297-1: 2003 Seamless circular steel tubes for mechanical and general engineering purposes. Non-alloy and alloy steel tubes. Technical delivery conditions |
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Equivalent grades of steel 30CrNiMo8 (1.6580)Warning! Only for reference
EU EN | Germany DIN,WNr | Japan JIS | France AFNOR | England BS | China GB | Russia GOST | Inter ISO |
30CrNiMo8 | | | | | | | |
2.[Steel 30CrNiMo8 1.6580 SNCM431 30CND8 823M30 pipe&tube ]
Surface:
mill finish (not polished)
brushed
mirror
embossed
oxidized
cold-rolled
hot-rolled
3.[Steel 30CrNiMo8 1.6580 SNCM431 30CND8 823M30 pipe&tube ]
Chemistry:
Chemical composition % of steel 30CrNiMo8 (1.6580): EN 10083-3-2006
C | Si | Mn | Ni | P | S | Cr | Mo |
0.26 - 0.34 | max 0.4 | 0.5 - 0.8 | 1.8 - 2.2 | max 0.025 | max 0.035 | 1.8 - 2.2 | 0.3 - 0.5 |
Mechanical properties of steel 30CrNiMo8 (1.6580)
Nominal diameter (mm): | to 16 | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 | 250 - 330 | 330 - 660 |
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Rm - Tensile strength (MPa) (+QT) | 1250-1450 | 1250-1450 | 1000-1300 | 1000-1200 | 850-1100 | 850 | 800 |
Nominal diameter(mm): or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160; | to 16 | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 |
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Re - Upper yield strength or Rp0.2 - 0.2% proof strength (MPa) (+QT) | 1050 | 1050 | 900 | 800 | 700 |
Nominal thickness(mm): | to 160 | 160 - 330 | 330 - 660 |
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Re - Upper yield strength (MPa) (+QT) | 700 | 630 | 590 |
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KV - Impact energy (J) longitud., (+QT) | +20° 30-45 |
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KV - Impact energy (J) transverse, (+QT) | +20° 20-27 |
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A - Min. elongation at fracture (%) transverse, (+QT) | 8-14 |
Nominal thickness (mm): | to 16 | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 |
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A - Min. elongation Lo = 5,65 √ So (%) (+QT), round products | 9 | 9 | 10 | 11 | 12 |
Nominal diameter (mm): or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160; | to 16 | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 |
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Z - Reduction in cross section on fracture (%) (+QT) | 40 | 40 | 45 | 50 | 50 |
Brinell hardness (HBW): (+A) | 248 - 255 |
6.These are our warehouses :
![Steel 30crnimo8 1.6580 Sncm431 30cnd8 823m30 Pipe&Tube for General Engineering](//image.made-in-china.com/226f3j00HKdaecjLkAof/Steel-30crnimo8-1-6580-Sncm431-30cnd8-823m30-Pipe-Tube-for-General-Engineering.webp)
![Steel 30crnimo8 1.6580 Sncm431 30cnd8 823m30 Pipe&Tube for General Engineering](//image.made-in-china.com/226f3j00lKwEeQSskJbR/Steel-30crnimo8-1-6580-Sncm431-30cnd8-823m30-Pipe-Tube-for-General-Engineering.webp)
7.These are packaging pictures :![Steel 30crnimo8 1.6580 Sncm431 30cnd8 823m30 Pipe&Tube for General Engineering](//image.made-in-china.com/226f3j00ijmaBgZPLdbf/Steel-30crnimo8-1-6580-Sncm431-30cnd8-823m30-Pipe-Tube-for-General-Engineering.webp)