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Q420 polat plastinka
Q420 polat plastinka
Q420 polat plastinka
Q420 polat plastinka

Q420 polat plastinka

Q420 polat Hytaýyň pes garyndyly ýokary güýçli gurluş polat derejesidir, öndürijilik güýji 420 MPa we dartyş güýji 520-680 Mpa, materialyň dykyzlygy 7,85 g / cm3. Q420 polatyň dürli görnüşleri bar siz, gyzgyn togalanan, sowuk togalanan ýaly. Şeýle hem polat plastinkadan, polat rulondan we garyndy polat q420 polatdan saýlap bilersiňiz
Haryt maglumatlary
Q420 Polat giriş
Q420 polat, pes erginli ýokary güýçli gurluş poladyň hytaý polat derejesidir, öndürijilik güýji 420 MPa, parametrleri 16 mm diametrli polat barlar ýa-da polat plitalar bilen synag edilýär, dartyş güýji 520-680 Mpa, material dykyzlygy 7,85 g / / cm3. GB / T 1591-2008 laýyklykda, Q420-iň 5 hil derejesi bar: Q420A, Q420B, Q420C, Q420D we Q420E. Q420 polat ekwiwalent, himiki düzümi we mehaniki aýratynlyklary üçin aşakdaky tablisalara serediň.
Aýratynlyklary we ulanylyşy
Q420 polat ýokary güýje eýe, esasanam kadalaşdyrylan ýa-da kadalaşdyrylan we ýokary derejeli mehaniki aýratynlyklary bolan uly gämilerde, köprülerde, elektrik bekediniň enjamlarynda, orta we ýokary basyşly gazanlarda, ýokary basyşly gämilerde, göteriji enjamlarda, magdan enjamlarynda we beýleki uly kebşirlenen gurluş bölekleri.
Himiki düzümi we mehaniki eýeçiligi
Q420 poladyň himiki düzümi
Himiki düzümi% (GB / T 1591 - 2008)
Polat derejesi Baha C (≤) Si (≤) Mn (≤) P (≤) S (≤) Nb (≤) V (≤) Ti (≤) Cr (≤) Ni (≤) Cu (≤) N (≤) Mo (≤) B (≤) Als (≥)
Q420 Q420A 0.20 0.50 1.70 0.035 0.035 0.07 0.20 0.20 0.30 0.80 0.30 0.015 0.20 - -
Q420B 0.035 0.035 -
Q420C 0.030 0.030 0.015
Q420D 0.030 0.025 0.015
Q420E 0.025 0.020 0.015
Himiki düzümi% (GB / T 1591 - 2018)
Polat derejesi Baha C (≤) Si (≤) Mn (≤) P (≤) S (≤) Nb (≤) V (≤) Ti (≤) Cr (≤) Ni (≤) Cu (≤) N (≤) Mo (≤) B (≤)
Q420 Q420B 0.20 0.55 1.70 0.035 0.035 0.05 0.13 0.05 0.30 0.80 0.40 0.015 0.20 -
Q420C 0.030 0.030
2-nji tablisa, uglerodyň ekwiwalent bahasy (CEV)
Polat gyzgyn görnüşde getirilýär (eremegiň derňewine esaslanýar)
CEV (köpçülikleýin fraksiýa ≤%); Adyň galyňlygy ýa-da diametri Ø
Polat derejesi Hil derejesi ≤ 30 30 <Ø ≤ 63 63 <Ø ≤ 150 150 <Ø ≤ 250 250 <Ø ≤ 400
Q420 Q420B 0.45 (CEV) 0.47 0.48 0.49 -
Q420C
3-nji tablisa, Q420 Polat mehaniki aýratynlyklary (gyzgyn togalanýar)
Galyňlyk ýa-da Dia. (Ø) mm; Hasyl güýji (≥N / mm2)
Polat derejesi Hil 16≤16 16 <Ø ≤40 40 <Ø ≤63 63 <Ø ≤ 80 80 <Ø ≤ 100 100 <Ø ≤ 150 150 <Ø ≤ 200 200 <Ø ≤ 250 250 <Ø ≤ 400
Q420 Q420B 420 410 390 370 370 350 - - -
Q420C
Dia. (Ø) mm; Dartyş güýji (N / mm2)
Polat derejesi Hil derejesi 100≤100 100 <Ø ≤ 150 150 <Ø ≤ 250 250 <Ø ≤ 400
Q420 Q420B 520 - 680 500 - 650 - -
Q420C
4-nji tablisa, uzalma
Dia. (Ø) mm; Uzalma (%)
Polat derejesi Mysal ugry 40≤40 40 <Ø ≤ 63 63 <Ø ≤ 100 100 <Ø ≤ 150 150 <Ø ≤ 200 250 <Ø ≤ 400
Q420 Gorizontal 20 19 19 18 - -
Dik 21 20 20 19 - -
Q420 polat ABŞ ASTM, Europeanewropa EN, Germaniýa DIN, Japanaponiýa JIS, Fransiýa NF, UK BS we ISO standartyna deňdir (Diňe salgylanma maksatly)
Hytaý ABŞ Germaniýa Japaneseaponlar Fransiýa Angliýa ISO
Standart Baha Standart Baha Standart Baha Standart Baha Standart Baha Standart Baha Standart Baha
GB / T 1591 - 2008 Q420A ASTM A572M,
ASTM A633M
Gr.60,
Gr.E.
NF A36-201 E420-1 ISO 4996,
ISO 4951
HS420D
E420CC
GB / T 1591 - 2008 Q420B ASTM A572M,
ASTM A633M
Gr.60,
Gr.E.
DIN EN 10113-2,
DIN EN 10113-3
S420NL,
S420ML
JIS G3124 SEV295,
SEV345
NF EN 10113-2,
NF EN 10113-3
S420NL,
S420ML
BS EN 10113-2,
BS EN 10113-3
S420NL
S420ML
ISO 4996,
ISO 4951
HS420D
E420CC
GB / T 1591 - 2008 Q420C ASTM A678M,
ASTM A656M
Gr.B,
TyPe7
DIN EN 10113-2,
DIN EN 10113-3
S420NL,
S420ML
JIS G3124 SEV295,
SEV345
NF EN 10113-2,
NF EN 10113-3
S420NL,
S420ML
BS EN 10113-2,
BS EN 10113-3
S420NL
S420ML
ISO 4996,
ISO 4951
HS420D
E420CC
GB / T1591 - 2008 Q420D ASTM A678M,
ASTM A656M
Gr.B,
TyPe7
DIN EN 10113-2,
DIN EN 10113-3
S420NL,
S420ML
JIS G3124 SEV295,
SEV345
NF EN 10113-2,
NF EN 10113-3
S420NL,
S420ML
BS EN 10113-2,
BS EN 10113-3
S420NL
S420ML
GB / T1591 - 2008 Q420E ASTM A678M,
ASTM A656M
Gr.B,
TyPe7
DIN EN 10113-2,
DIN EN 10113-3
S420NL,
S420ML
JIS G3124 SEV295,
SEV345
NF EN 10113-2,
NF EN 10113-3
S420NL,
S420ML
BS EN 10113-2,
BS EN 10113-3
S420NL
S420ML
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