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ASTM A240 304/304L angle steel

ASTM A240 304/304L angel steel
ASTM A240 304/304L angle steel

ASTM A240 304/304L angel steel have very good draw-ability.Their combination of low yield strength and high elongation permits successful forming of complex shapes.However, these grades work harden rapidly.To relieve stresses produced in severe forming of complex or spinning,parts should be full annealed or stressrelief annealed as soon as possible after forming.

ASTM A240 standard specification for chromium and chromium-nickel stainless steel plate, sheet, and strip for pressure vessels and for general applications.

Supplementary Technology: HIC Test | NACE MR0175 | Z15 | Z25 | Z35 | S1 | S2

 

ASTM A240 304/304L angle steel Chemical Composition Requirements

Type C Mn P S Si Cr Ni
304 0.07 2.00 0.045 0.030 0.75 17.5-19.5 8.0-10.5
304L 0.030 2.00 0.045 0.030 0.75 17.5-19.5 8.0-12.0

 

ASTM A240 304/304L angle steel Mechanical Properties

  Tensile strength, min Yield strength, min Elongation in 2 in or 50 mm,min,% Hardness,max
  Ksi Mpa Ksi Mpa Brinell Rockwell
Austenitic (chromium-nickel)(chromium-manganese-nickel)
304 75 515 30 205 40 201 92
304L 70 485 25 170 40 201 92

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