ASTM A350 LF2 Carbon Steel

ASTM A350-LF2 Temperature range (-50 to 800 deg. F) Where corrosion resistance is not important. This material is heat treated “Forgings of [LF2] shall be furnished in the normalized, or in the normalized and tempered, or in the quenched and tempered condition…”

astm-a350-lf2-carbon-steel ASTM A350 LF2 flange

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0.1 TYPE: 1 Nominal Composition of ASTM A350 LF2 2 Mechanical Properties of ASTM A350 LF2 3 General Scope Carbon steel applied in cold temperature service usually used in the normalised condition.

Nominal Composition of ASTM A350 LF2 Element Weight % Carbon 0.30 max Silicon 0.15 – 0.30 Manganese 0.6 – 1.35 Phosphorus 0.35 max Sulphur 0.040 max Molybdenum 0.12 max Copper 0.40 max Chromium 0.30 max Nickel 0.40 max Vanadium 0.08 max Niobium 0.02 max Mechanical Properties of ASTM A350 LF2 Condition: Forgings of LF2 shall be furnished in the normalized, or in the normalized and tempered, or in the quenched and tempered condition.

Property Values Ultimate Tensile Strength 485 – 655 N/mm2 0.2% Yield Strength 250 N/mm2 min Elongation 22% min Reduction of Area 30% min Charpy Impact Toughness 20 average / 16 min J at -46o C Hardness 197 HB General Scope A general carbon steel used in the manufacture of flanges and fittings.