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High strength GB/T 11251 35CrMnSiA steel plates for structure purpose steel plate

GB/T 11251 35CrMnSiA steel plate has good comprehensive mechanical properties,  high strength, enough toughness, hardenability and welding ability (preheat), and good processing  formability  after heat treatment.  But the corrosion resistance and oxidation resistance of 35CrMnSiA steel plate is low. Therefore, GB/T 11251 35CrMnSiA steel plates are usually used after low temperature tempering or equal temperature quenching.

GB/T 11251 35CrMnSiA steel plates chemical composition:

Unified Numeral Code Grade C Si Mn Cr Mo Ni W B Al Ti V
A24353 35CrMnSiA 0.32-0.39 1.10-1.40 0.80-1.10 1.10-1.40              

GB/T 11251 35CrMnSiA steel plates mechanical properties:
1) The mechanical properties of steel plates delivered in annealed state shall be in accordance with the provisions of the table below.
2) The steel plates delivered in normalizing state, under the condition of elongation comply with the table, the upper limit of tensile strength is allowed to be increased by 50Mpa.
3) The steel plates with thickness above 20mm, when the thickness is increased by 1mm, the elongation is allowed to lower by 0.25% (absolute value) than that of the table, but it should not exceed 2% (absolute value).

Unified Numeral Code Brand No. Tensile Strength [Mpa] Elongation [%,min]
A24353 35CrMnSiA 600-800 16

GB/T 11251 35CrMnSiA steel plates are widely used to manufacture medium speed, heavy load, high strength, high toughness parts and high strength components. BBN steel has been engaged in GB/T 11251 35CrMnSiA steel plates since 2000, and always try to offer more added value to our clients.

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