Constructional Steel 23crmob33 1.7271 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.: 23CrMoB33 1.7271
• 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.[ Constructional steel  23CrMoB33 1.7271   bar& rod] Introduction:
Heat treated : 1618°C - 1519°C

 

Yield Rp0.2 (MPa)	Tensile Rm (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
152 (≥)	275 (≥)	21	14	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	331

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
12	-	-			0.23	-
999	729	-	14.3	213		-
356	-	32	43.2			333	214

 

 

2.[Constructional  steel 23CrMoB33 1.7271    bar& rod] Surface:

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


3.[Constructional steel  23CrMoB33 1.7271      bar& rod] Chemistry:

Chemical composition(mass fraction)(wt.%) of the 1.7271

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.20-0.25	0.15-0.35	0.70-0.90	0.035	0.035	0.70-0.90
Mo	Al	Cu	Nb	Ti	V	Ce
0.30-0.40
N	Co	Pb	B	Other
			0.0008-0.005

 

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