Grade SS Grade 30 [205]
Corresponding Standard ASTM A1011/A1011M-2018(a)
Standard Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High- Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength
Classification Carbon Steel
SS Grade 30 [205] Chemical Element Composition Content (%)
Component C Mn P S Cr Ni Cu Mo Ti V Nb
Minimum Value - - - - - - - - - - -
Maximum Value 0.25 0.9 0.035 0.04 0.15 0.2 0.2 0.06 0.025 0.008 0.008
SS Grade 30 [205] Mechanical Properties
product Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Thin plate ≥340 ≥205 Gauge distance 50mm:
2.5≤t<6mm: ≥25
1.6≤t<2.5mm: ≥24
0.65≤t<1.6mm: ≥21
Gauge distance 200mm:
t<6mm: ≥19
SSGrade30[205] Corresponding Standards(Same grade name, different standards)

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