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Q345E ọkụ akpọrepu ígwè mpempe akwụkwọ
Q345E ọkụ akpọrepu ígwè mpempe akwụkwọ
Q345E ọkụ akpọrepu ígwè mpempe akwụkwọ
Q345E ọkụ akpọrepu ígwè mpempe akwụkwọ

Q345E ọkụ akpọrepu ígwè mpempe akwụkwọ

GB / T1591 elu ike ala alloy structural ígwè ọkwa Q345E ekesịpde kacha nta mkpụrụ ike na 345Mpa na tensile ike n'elu 470Mpa.Mgbe Rolling ígwè efere Q345E, na impacting ule ga-mere n'okpuru ala okpomọkụ na mwepu 40 centigrade.
Q345E ọkụ akpọrepu ígwè ozi mpempe akwụkwọ

Q345 steel bụ ọkọlọtọ China GB dị ala Alloy High Structural Steel, njupụta ihe bụ 7.85 g/cm3, ike tensile bụ 470-630 Mpa, na ike mkpụrụ bụ 345 MPa, ọ nwere ihe dị mma karịa Q235. Dịka GB/T 1591 – 2008 siri kwuo, ihe Q345 nwere akara ule 5: Q345A, Q345B, Q345C, Q345D na Q345E.

Q345 ígwè nwere ezigbo weldability, oyi & na-ekpo ọkụ workability na corrosion iguzogide. A na-eji ya eme ihe na àkwà mmiri, ụgbọ mmiri, ọkụ ọkụ, ụgbọ mmiri nrụgide, tankị nchekwa mmanụ ala, igwe na-ebuli ibu na akụkụ ndị ọzọ welded dị elu.

Q345E ọkụ akpọrepu ígwè mpempe akwụkwọ Chemical mejupụtara

Ngwongwo akụrụngwa maka Q345E obere alloy structural steel:

Ọkpụrụkpụ (mm)
Q345E ≤ 16 > 16 ≤ 35 > 35 ≤ 50 >50
Ike mpụta (≥Mpa) 345 325 295 275
Ike tensile (Mpa) 470-630

Ngwakọta kemịkalụ maka Q345E obere alloy structural steel (Heat Analysis Max%)
Ihe mejupụtara kemịkalụ bụ isi nke Q345E
C Si Mn P S V Nb Ti Al (min.)
0.18 0.55 1.00-1.60 0.025 0.025 0.02-0.15 0.015-0.060 0.02-0.20 0.015

Ihe chọrọ nka na ụzụ na ọrụ ndị ọzọ:
♦ Nnwale emetụta ọnọdụ okpomọkụ dị ala
♦ Ịcha na ịgbado ọkụ dị ka njedebe onye ọrụ chọrọ
♦ Mkpebi siri ike na ụfọdụ ihe kemịkal nwere
♦ Enyere asambodo ule Orginal Mill n'okpuru EN 10204 FORMAT 3.1/3.2
♦ Ultrasonic ule n'okpuru GB / T2970, JB4730, EN 10160, ASTM A435, A577, A578

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