Shenzhen Launch Co., Ltd stainless steel stair balustrade manufacturer

ShenZhen Launch Co. ltd.
Add：B5-5003, Yilida Building, Nanshan District,Shenzhen , China （518054）
Tel：86-755-8603 7559
E-mail：gbf999@china.com

Skype：gaobin119

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[2014-12-20]

[2015-6-6]

[2015-8-13]

[2016-9-1]

difference between spring steel and 65 Manganese Steel

[2014-7-18]

Carbon content for spring steel and 65 Manganese Steel is the same 0.62~0.70%；Difference is that 65 Manganese Steel contains 0.9%-1.2% of Mn , while 65 Manganese Steel contains 0.50~0.80% of Mn .

Hardenability for 65 Manganese Steel is better than spring steel . Raw spring steel is harder than Manganese Steel , it is more diffiluct to machine . After heat treating , there should be no big difference between the two materials .

Spring steel is more expensive than Manganese Steel .

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