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Q420 steel plate
Q420 steel plate
Q420 steel plate
Q420 steel plate

Q420 steel plate

Ang Q420 steel ay isang Chinese steel grade ng Low Alloy High Strength Structural Steel, Yield Strength ay 420 MPa at tensile strength ay 520-680 Mpa, ang material density ay 7.85 g/cm3. Maraming iba't ibang q420 steel options ang available sa ikaw, tulad ng hot rolled, cold rolled. Maaari ka ring pumili mula sa steel plate, steel coil, at alloy steel bar q420 steel
Impormasyon ng produkto
Q420 Steel Panimula
Ang Q420 steel ay isang Chinese steel grade ng Low Alloy High Strength Structural Steel, Yield Strength ay 420 MPa, ang mga parameter ay sinusubok gamit ang 16mm diameter steel bars o steel plates, at ang tensile strength ay 520-680 Mpa, ang material density ay 7.85 g/ /cm3. Ayon sa GB/T 1591-2008, ang Q420 ay may 5 antas ng kalidad: Q420A, Q420B, Q420C, Q420D at Q420E. Para sa katumbas ng bakal na Q420, komposisyon ng kemikal at mga mekanikal na katangian, pakitingnan ang mga talahanayan sa ibaba ng nilalaman.
Mga Tampok at Paggamit
Ang Q420 steel ay may mataas na lakas, lalo na sa normalized o normalized plus tempered state, na may mataas na komprehensibong mekanikal na katangian, ay maaaring gamitin sa malalaking barko, tulay, power station equipment, medium at high pressure boiler, high pressure vessel, lifting machinery, mining machinery at iba pang malalaking welded structural parts.
Komposisyon ng kemikal at Mekanikal na ari-arian
Kemikal na Komposisyon ng Q420 Steel
Komposisyon ng Kemikal % (GB/T 1591 – 2008)
Marka ng Bakal Grade 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
Komposisyon ng Kemikal % (GB/T 1591 – 2018)
Marka ng Bakal Grade 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
Talahanayan-2, Carbon Equivalent Value (CEV)
Ang bakal na inihatid sa hot rolled state (batay sa smelting analysis)
CEV (Mass fraction ≤%); Nominal na kapal o diameter Ø
Marka ng Bakal Marka ng Kalidad ≤ 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
Talahanayan-3, Q420 Steel Mechanical Properties (Hot rolled)
Kapal o Dia. (Ø) mm; Lakas ng Yield (≥N/mm2)
Marka ng Bakal Kalidad Ø≤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
Si Dia. (Ø) mm; Lakas ng Tensile (N/mm2)
Marka ng Bakal Antas ng Kalidad Ø≤100 100 < Ø ≤ 150 150 < Ø ≤ 250 250 < Ø ≤ 400
Q420 Q420B 520 – 680 500 – 650
Q420C
Talahanayan-4, Pagpahaba
Si Dia. (Ø) mm; Pagpahaba (%)
Marka ng Bakal Halimbawang direksyon Ø≤40 40 < Ø ≤ 63 63 < Ø ≤ 100 100 < Ø ≤ 150 150 < Ø ≤ 200 250 < Ø ≤ 400
Q420 Pahalang 20 19 19 18
Patayo 21 20 20 19
Q420 steel na katumbas ng US ASTM, European EN, Germany DIN, Japan JIS, France NF, UK BS at ISO standard (Para sa mga layuning reference lang)
Tsina USA Alemanya Hapon France UK ISO
Pamantayan Grade Pamantayan Grade Pamantayan Grade Pamantayan Grade Pamantayan Grade Pamantayan Grade Pamantayan Grade
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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