Steel 30crnimo8 1.6580 Sncm431 30cnd8 823m30 Pipe&Tube for General Engineering

• Customization: Available
• Standard: DIN, JIS, AISI, ASTM, GB, BS
• Technics: Cold Drawn
• Model NO.: 30CrNiMo8 1.6580 SNCM431
• Surface: Polished
• Alloy: Non-alloy
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Color: Silver
• Certification: RoHS, ISO9001, ASTM, JIS, GB, En, Astmb
• Technique: Cold Drawn
• Surface Treatment: Mill Finish(Not Polished)
• Form/Shape: Sheet, Plate, Bar, Rod, Tube, Pipe, Strip, Foil an
• Payment: T/T 30% Prepayment, 70% Balance Before Delivery
• Delivery Time: 2-5 Working Days After Getting The Prepayment
• Transport Package: Standard Export Packaging
• Specification: 0.5-200mm*500-2500mm*500-100000mm
• Trademark: Taixie
• Origin: China
• HS Code: 7606910000
• Production Capacity: 10 Tons Per Month

Product Description

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

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	30CrNiMo8	SNCM431	30CND8	823M30	30Cr2Ni2Mo	3KH3M3F	31CrNiMo8

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
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
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
Re - Upper yield strength (MPa) (+QT)	700	630	590

 

KV - Impact energy (J) longitud., (+QT)	+20° 30-45

KV - Impact energy (J) transverse, (+QT)	+20° 20-27

 

A - Min. elongation at fracture (%) transverse, (+QT)	8-14

 

Nominal thickness (mm):	to 16	16 - 40	40 - 100	100 - 160	160 - 250
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
Z - Reduction in cross section on fracture (%) (+QT)	40	40	45	50	50

 

Brinell hardness   (HBW):   (+A)

248 - 255

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