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  • St70-2
  • St70

St70-2

  • Steel Standard: DIN 17100
  • Rolling Type: Structural steel plate,Low alloy steel plate
  • Thickness: 6mm-500mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: AR,CR,Normalized
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■ Overview
Structural steel plate St70-2 is mainly used for manufacturing the plants of factory ,the common constructure and construction machinery and equipment.The tensile strength of low alloy steel plate St70-2 is within 690-900 Mpa,and the minimum yield strength is 365Mpa.When customers need special sizes for steel St70-2 used,Xinsteel has the ability to cutting and welding in our processing plant for small parts,round plate,seal head and other frames.
■ Full Data
Technical Requirements & Additional Services:
♦ Low temperature impacting test
♦ Rolling under standard NACE MR-0175 (HIC+SSCC)
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands 
■ Techicals

Mechnical property for St70-2 Low alloy steel:

Thickness (mm)
St70-2 ≤ 16 > 16 ≤ 40 > 40 ≤ 63 > 63 ≤ 80 > 80
Yield strength (≥Mpa) 365 355 345 335 325
  < 3 ≥ 3 ≤ 100 > 100
Tensile strength (Mpa) 690-900 670-830 670-830

Chemical composition for St70-2 Low alloy steel (Product Analysis Max%)

Main chemical elements composition of St70-2
C Si Mn P S N
0.50 0.60 1.70 0.060 0.060 0.010

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