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ASTM A709 ọkwa HPS 50W ígwè efere
ASTM A709 ọkwa HPS 50W ígwè efere
ASTM A709 ọkwa HPS 50W ígwè efere
ASTM A709 ọkwa HPS 50W ígwè efere

ASTM A709 ọkwa HPS 50W ígwè efere

ASTM A709 dị na akara ule: 36, 50 na 50W. Dị na akara ule dị elu: HPS 50W na HPS 70W. Dual ASTM na AASHTO spec asambodo dị. Ndị ahịa nwere ike ezipụta akara ule A709 iji zute ule Charpy chọrọ maka mpaghara na ihu igwe akọwapụtara.
Ozi ngwaahịa

ASTM A 709/ A 709M A709 Grade HPS 50W bụ ụdị igwe anaghị agba nchara na Cr, Ni, Mo alloy mgbe ị na-atụgharị. The ala alloy ígwè efere A709 GR HPS 50W ga-enwe ikuku corrosion index nke 6.0 ma ọ bụ karịa gbakọọ site okpomọkụ analysis dị ka ígwè ndu G 101-usoro amụma dabere na ụbọchị nke larabee na Coburn.Mgbe nke ọma kpugheere ikuku. , ndị a weathering ígwè mpempe akwụkwọ A709 Grade HPS 50W nwere ike iji iferi na-enweghị ese.

Ihe chọrọ nka na ụzụ na ọrụ ndị ọzọ:

  • Nnwale esemokwu dị elu
  • Nnwale emetụta ọnọdụ okpomọkụ dị ala
  • Ngwọta okpomoku nke welded post-welded (PWHT)
  • Enyere asambodo ule Orginal Mill n'okpuru EN 10204 FORMAT 3.1/3.2
  • Mgbe akọwapụtara nchara nchara maka A709 Gr36, ọdịnaya Cu≥0.20%
  • Agba agba agba na eserese, ịcha na ịgbado ọkụ dị ka onye ọrụ njedebe chọrọ
Ngwakọta kemịkalụ & akụrụngwa akụrụngwa

Ngwa igwe maka A709 Grade HPS 50W obere alloy steel:

Ike mpụta (≥Mpa) Ike tensile (≥Mpa) Mgbatị na ≥,%
345 485 200mm 50mm
18 21

Ngwakọta kemịkalụ maka A709GrHPS 50W obere alloy steel (Heat Analysis Max%)

Ihe mejupụtara kemịkalụ bụ isi nke A709GrHPS 50W
C Si Mn P S Ni Cr Ku V Mo Al N
0.11 0.30-0.50 1.10-1.35 0.02 0.006 0.25-0.40 0.45-0.70 0.25-0.40 0.04-0.08 0.02-0.08 0.01-0.04 0.015

Nchịkọta:

  • A na-ejikarị ọkwa ọla nchara a na-ejikarị eme ihe maka imepụta àkwà mmiri.
  • Ọkpụrụkpụ dị arọ (inch 3 ma ọ bụ karịa) dị n'ọtụtụ ebe nkesa Steel Leeco.
  • Dị na ọkọlọtọ akara ule: 36, 50 na 50W.
  • Dị na akara ule dị elu: HPS 50W na HPS 70W.
  • Ndị ahịa nwere ike ezipụta akara ule A709 iji zute ule Charpy chọrọ maka mpaghara na ihu igwe akọwapụtara.
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