Wind Power Gear

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资质认证工艺流程

详细介绍

[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[产品参数, 参数]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]

Device parameters

chemical composition

Grade

Chemical composition %

826M40

0. 36 ～

0.4 4

≤ 0.35

0.45 ～0.70

≤ 0.0 3 5

0.5 ～0.8

Of 0. The 45 -0. . 6 . 5

2.3

~ 2.8

Mechanical behavior

Yield strength R1	Tensile strength Rm	Elongation A%	Brinell hardness	Charpy impact work
MPa	MPa			J
				20 ℃
≥ 900	≥ 965	≥ 1 2	≥ 300 ～325	≥ 54

chemical composition

Steel designation

max

Name

Number

30CrNiMo8

1.6580

0.26 to 0.34

≦ 0.40

0.30 to 0.60

0.035

1.80 to 2.20

0.30 to 0.50

1.80 to 2.20

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Mechanical behavior

Yield strength R1	Tensile strength Rm	Elongation A%	Shrinkage rate Z%	Brinell hardness	Charpy impact work
MPa	MPa				J
					Room temperature
≥ 950	1100-1250	≥ 1 2	≥ 35	300 ～3 60	≥ 30