35# carbon structural steel pipe

35# carbon structural steel pipe has good plasticity and appropriate strength, good process performance and acceptable welding performance, and is mostly used in normalized and quenched and tempered states.

Heat treatment specification: normalizing, 870℃; quenching, 850℃; tempering, 600℃.

35# carbon structural steel pipe delivery status:
Delivered unheated or heat-treated (annealed, normalized or high temperature tempered). If it is required to be delivered in a heat-treated state, it should be indicated in the contract, and if it is not indicated, it will be delivered without heat treatment.

35# steel chemical composition:
C: 0.32～0.39,
Si: 0.17～0.37,
Mn: 0.50～0.80,
S:≤0.035,
P:≤0.035,
Cr:≤0.25,
Ni: ≤0.30,
Cu: ≤0.25

35# steel mechanical properties:
Tensile strength σb (MPa): ≥530(54),
Yield strength σs (MPa): ≥315(32),
Elongation δ5 (%): ≥20,
Area shrinkage ψ (%): ≥45,
Impact energy Akv (J): ≥55,
Impact toughness value αkv (J/cm2): ≥69(7)

35# carbon structural steel pipe is widely used in the manufacture of various forgings and hot-pressed parts, cold-drawn and upsetting steels, seamless steel pipes, and parts in machinery manufacturing, such as crankshafts, rotating shafts, shaft pins, levers, connecting rods, beams, Sleeves, rims, washers, screws, nuts, etc.

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