Shanghai Jieteng Precision Mold Factory
Shanghai Jingteng Metal Group Co., Ltd.
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SUM21 Free Cutting Steel
Material Name
Material Name: SUM21
Execution standard: JIS G4804-1999
Characteristics and scope of application
Used to manufacture various parts on the mechanical performance requirements of such as bolt, nut, pin, shaft, pipe fittings and the spark sets.
Chemical Composition
|
C |
Mn | S | P |
|
0.08-0.13 |
0.60~0.90 | 0.08-0.13 |
Max 0.040 |
Mechanical Property
|
Tensile strength σb (MPa) |
Elongation
δ 5 (％) |
reduction of crosssection area ψ (％) |
Hardness
(HB)
|
| 390-540 | Min 22 |
Min 36 |
Max 170 |
Delivery State
Hot rolled steel with heat treatment or heat treatment delivery, cold drawn steel to heat treatment delivery.
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| Email: sales@sh-jieteng.com |
Old factory site: No.228 Sifeng Road, Songjiang district. ShanghaiShanghai office center : No. 655, High Tech Road, Songjiang District, Shanghai
Japanese warehousing and material control department: No. 38, Deborah Road ，Waigaoqiao Free Trade Zone，China (Shanghai) Free Trade Experimental Zone
Japan general office: Yamaguchi Prefecture light Chuo six 1-1-1, No. 19
Rp: enterprise operator: 86-021-57611748 fax 86-021-57612426 group's official website: www.sh-jieteng.com Shanghai ICP for: no. 1021431