Stainless Steel Ball

 

The stainless steel series is mainly divided into 200/300/400 series, the main component of the 200 series is nickel, the 300 series main component is nickel and chromium, and 400 series main component is chromium. The main materials are 201, 304, 316, 420, 440C, etc. The 300 series is austenitic stainless steel, and the 400 series is martensitic stainless steel, which contains high chromium and has high corrosion resistance. Corrosion and high temperature resistance of 300 series are better than 200 series and 400 series, and the products are targeted for special equipment in high temperature and high humidity, chemical production, acid and alkali pollution and other environments. The 400 series has higher surface hardness, good anti-rust performance, good wear resistance and compression resistance. Especially 440, known as special steel, is suitable for auto parts, diving, oil parts, etc.

ꁆ ꁇ

Grade

C(%)

Mn(%)

Si(%)

Cr(%)

Ni(%)

 Mo P(%) S(%)
201 ≤0.15 5.5～7.50 ≤0.75 16.0～18.0 3.5～5.5 - ≤0.060 ≤0.030
304 ≤0.08 ≤2.00 ≤1.00 18.0～20.0 8.0～11.0 - ≤0.045 ≤0.030
316 ≤0.08 ≤2.00 ≤1.00 16.0～18.5 10.0～14.0 2.0-3.0 ≤0.035 ≤0.030
420 0.16~0.25 ≤1.00 ≤1.00 12.0~14.0 ≤0.75 - ≤0.040 0.030
440C 0.95～1.20 ≤1.00 ≤1.00 16.00～18.00 ≤0.60 ≤0.75 ≤0.040 0.030
넳 넲

  • WhatsApp

  • WeChat