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Product name:11SMn30

abstract:----------------Machinability is obvious higher than that of Y12, production efficiency 30...

Popular in these Categories:Special steel

Contack:+86 021-64583568

Product brief introduction


Machinability is obvious higher than that of Y12, production efficiency 30 ~ 50% higher than that of Y12 steel, especially when tapping, tap life is more than twice higher than that of Y12, 11 smn30 free-cutting steel (1.0715) is often used in the manufacture of standard parts is not important, such as bolts, nuts, pipe joints, spring seat, etc.

Product Parameter


  S :0.27~0.33

  Pmax :0.11

Technical Equipment


Tensile strength of sigma b (MPa) : (hot rolled) 390 ~ 540;
(cold drawn) steel thickness or diameter of 8 ~ 20:530 ~ 755.
> 20 ~ 30:510 ~ 735;
> 30:490 ~ 490


Elongation delta 5 (%) : (hot rolled) 22 or more;
(cold rolled) 7.0 or higher


Reduction of area bits (%) : (hot rolled) 36 or more


Hardness: (hot rolled) 170 hb or less;
(cold drawn) 152 ~ 217 hb


Low heat treatment specification and metallographic organization:


Low status: delivery to hot rolled or cold drawn state delivery, delivery status should be indicated in the contract.

CRL METAL (SUZHOU) CO.LTD


PHONE:+86 021-64583568/021-64583566


Fax:+86 021-64583567


Zeng Mei Hua:+86 13818555388


Phone:+86 021-64583568/021-64583566


Address:No. 168, jiugan road, sijing town, songjiang city, Shanghai.



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