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Ụlọ > Ngwaahịa > Efere ígwè > Carbon  Steel
ASTM A709 GR.50W ígwè efere
ASTM A709 GR.50W ígwè efere
ASTM A709 GR.50W ígwè efere
ASTM A709 GR.50W ígwè efere

ASTM A709 GR.50W ígwè efere

ASTM A709-50W bụ ọkọlọtọ ọkọlọtọ maka nhazi igwe bụ isi n'ichepụta àkwà mmiri igwe. ASTM A709-50W na-ekpuchi ike dị elu, obere ikike nhazi nchara, efere na ogwe. Nguzogide corrosion ikuku nke igwe a n'ọtụtụ gburugburu dị mma nke ukwuu karịa nchara carbon nwere ma ọ bụ enweghị mgbakwunye ọla kọpa.
Ozi ngwaahịa

High ike obere alloy ígwè efere ASTM A709GR.50W nakwa aha ya dị ka weathering ígwè efere A709 Grade 50W na uru nke ya onwunwe na ikuku corrosion eguzogide. Dị ka dị iche iche isi chemical ọcha nwere, A709 Grade 50W kewara dị ka A709Gr50w ụdị A, A709Gr50w ụdị B, A709Gr50w ụdị C. Ndị a atọ ígwè akara ule bụ Ẹkot nkọwa ASTM A 588/A 588M A588 Grade A, na A588 Grade C.Low alloy steel plate A709 Grade 50W nwekwara otu kacha nta mmachi mkpụrụ ike na 345 Mpa dị ka A709 Grade 50 ígwè efere.
A709 Gr.50W weathering ígwè efere, nke a ma ama maka ihe onwunwe ya na ikuku corrosion eguzogide. A709 Grade 50W ígwè efere na-ọtụtụ ebe na-eji na-ewu ígwè, Ngwuputa ígwè, gwongworo, àkwà mmiri, nrụgide arịa ụlọ wdg,

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

Maka ihe onwunwe ọzọ na A709 Gr.50S ígwè efere, biko lelee ha na-esonụ;
A709 Ọkwa 50S Chemical mejupụtara Heat analysis

Ihe Chemical%
C, max 0.23
Mn 0.50-1.60A
Si, max 0.40
V, max 0.15B
Nb, max 0.05B
P, max 0.035
S, max 0.045
Ku, max 0.60
Na xma 0.45
Cr, max 0.35
Mo, max 0.15

709 Gr. 50S n'ibu ihe onwunwe
Ọkwa A709 Oke
mm
Mmụba
[MPa]
Tensile [MPa] Mmụba Min% mbelata
Min
%
HB
Efere ígwè Nchara arụrụ arụ
8 n'ime [200mm] 2 n'ime [50mm] 8 n'ime [200mm] 2 n'ime [50mm]
36[250] ≤100 [250] nkeji 400-550 20 23 20 21
[250] nkeji 400min 20 19
50[345] ≤100 Nkeji 345 450min 18 21 18 21F
50S[345S] G 345-450HI 450minH 18 21
50W[345W]
HPS50W[HPS345W]
≤100 Nkeji 345 485 min 18 21 18 21J
HPS70W[HPS485W] ≤100 485 min 585-760 19K
100 [690], 100W [690W],HPS100W [HPS690W] ≤65 690minB 760-895 18K L 235-293M
100 [690], 100W [690W], 65-100 620minB 690-895 16K L

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