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GB T-3077 40Cr Alloy Steel Plate

Description: BBN steel is a well-known steel manufacturer and service provider in China, GB T-3077 40Cr Alloy Steel Plate is our superior product, we are favored by customers with high quality, competitive price and excellent service

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Lead Time:

Quantity(Metric Tons)	1 - 10	10 - 50	>50
Est. Time(days)	5	10	Negotiable

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Product Introduction

40Cr steel is a kind of Chinese GB standard alloy steel for engineering and machinery purpose, and one of the most widely used steel grades. For 40Cr material hardness, specifications and equivalent, please see the table below.

Standard: AISI/ASTM/BS/DIN/GB/JIS
Grade: 40Cr SCr440
Diameter: 18mm-60mm
Length: 5.8m 6m 9m 12m

40Cr Steel Chemical Composition:

Grade	C	Si	Mn	S	P	Cr	Cu	Mo
40Cr	0.37-0.44	0.17-0.37	0.50-0.80	≤0.035	≤0.035	0.80-1.10	≤0.30	≤0.30	≤0.15

Mechanical Properties of 40Cr Alloy Steel

Tensile strength: ≥810 N/mm2 (When actual hardness 25 HRC)

Yield strength: ≥785 N/mm2

Elongation after break: ≥9%

Rate of reduction in area: ≥45%

Impact absorbing energy: ≥47 J

Material Brinell hardness: ≤207 (annealing or high temperature tempering state)

Sample size: 25mm

40Cr Steel used in making gear, the sleeve, spindle, crankshaft, spindles, pins, rods, screws, nuts, inlet valve.

If you need 40Cr steel,please contact us.

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GB T-3077 40Cr Alloy Steel Plate

Product Introduction

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