Steel 30mnb5 1.5531 19mnb4 Bar&Rod for General Engineering

• Customization: Available
• Standard: DIN, JIS, AISI, ASTM, GB, BS
• Technics: Cold Drawn
• Model NO.: 30MnB5 1.5531 19MnB4
• 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.[ 30MnB5  1.5531   bar&rod   ] 
introduction:
 

Standard:

EN 10083-3: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels

Equivalent grades of   steel   20MnB5 (1.5530)
Warning! Only for reference

EU EN	Germany DIN,WNr	France AFNOR	England BS
20MnB5	19MnB4	20MB5	170H20

2.[  30MnB5  1.5531   bar&rod  ]

 Surface:

mill finish (not polished)
brushed
mirror 
embossed 
oxidized
cold-rolled
hot-rolled


3.[30MnB5  1.5531   bar&rod  ] 
Chemistry:

Chemical composition %   of   steel   20MnB5 (1.5530):   EN 10083-3-2006

C	Si	Mn	P	S	B
0.17 - 0.23	max   0.4	1.1 - 1.4	max   0.025	max   0.035	0.0008 - 0.005

 

Mechanical properties of   steel   20MnB5 (1.5530)

Nominal diameter (mm):	to 16	16 - 40
Rm - Tensile strength (MPa) (+QT)	900-1050	750-900

 

Nominal diameter(mm):   or for flat products thickness: to 8; 8-20;	to 16	16 - 40
Re - Upper yield strength or Rp0.2 - 0.2% proof strength (MPa) (+QT)	700	600

 

Nominal thickness (mm):	to 16	16 - 40
A - Min. elongation Lo = 5,65 √ So (%) (+QT), round products	14	15

 

Nominal diameter (mm):     or for flat products thickness: to 8; 8-20;	to 16	16 - 40
Z - Reduction in cross section on fracture (%) (+QT)	55	55

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