Structural Steel 20mncrs5 1.7149 Bar& Rod for General Engineering Purposes

• Standard: DIN, JIS, AISI, ASTM, GB, BS
• Technics: Cold Drawn
• Application: Structural Steel Bar
• Surface: Black
• Alloy: Non-alloy
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Model NO.: 20MnCrS5 1.7149
• Certification: RoHS, ISO9001, ASTM, JIS, GB, En, Astmb
• Form/Shape: Sheet, Plate, Bar, Rod, Tube, Pipe, Strip, Foil an
• Payment: T/T 30% Prepayment, 70% Balance Before Delivery
• Delivery Time: 2-10 Working Days After Getting The Prepayment
• Transport Package: Standard Export Packaging
• Specification: Dia0.5-200mm*L500-100000mm
• Trademark: Taixie
• Origin: China
• HS Code: 7226999090
• Production Capacity: 10 Tons Per Month

Product Description

1.[ Structural steel 20MnCrS5  1.7149 bar& rod] 
Introduction:
 

Heat treated : 1172°C - 1396°C

 

Chemical composition(mass fraction)(wt.%) of the 20MnCr5

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.22	0.40	1.10-1.40	0.035	0.035	1.00-1.30
Mo	Al	Cu	Nb	Ti	V	Ce
N	Co	Pb	B	Other

2.[Structural steel 20MnCrS5  1.7149   bar& rod]

 Surface:

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


3.[Structural steel 20MnCrS5  1.7149 bar& rod] 
Chemistry:

Chemical composition(mass fraction)(wt.%) of the 20MnCr5

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.22	0.40	1.10-1.40	0.035	0.035	1.00-1.30
Mo	Al	Cu	Nb	Ti	V	Ce
N	Co	Pb	B	Other

 

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson's coefficient, ν
42	-	-			0.33	-
221	237	-	12.3	333		-
362	-	23	22.2

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