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Billet

Billet

General process of billet production

Specification

Information Value
Dimensions Length 6m | 12m
Weight According to size and section
Standard TCVN (Vietnam) | JIS (Japan) | ASTM (USA)
Grade BCT 34 | BCT 38 | BTC 51 | SD 295A | CB 300-V | SD 390
Surface Glossy, no cracks, no air holes
Section Square (mm) | 130 | 150
Application Used to produce common hot rolled steels
Detail Product identification (link catalog)
Price Contact us
Billet

Product distinguishing sign

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Chemical Composition & Mechanical Properties

Tiêu chuẩn

Standard

Mác thép

Grade

 Thành phần hóa học (%) (Chemical composition) Cơ tính (Mechanical properties) Khả năng uống (Bendable)
C Si Mn P S

Đương lượng

Cacbon

Carbon equivalent

Giới hạn chảy

Yeild Strength N/mm2

Giới hạn bền

Tensile StrengthN/mm2

Độ giãn dài

Elongatin

Góc uốn

Bendable

Đường kính gói uốn

Max Iside diameter
TCVN 1651-1:2008 (Việt Nam) CB 240-T - - - 0.05 max 0.05 max - 240 min 380 min 20 180° 2d (d≤40)
CB 300-T - - - 0.05 max 0.05 max - 300 min 440 min 16 180° 2d (d≤40)
TCVN 1651-2018 (Việt Nam) CB 300-V - - - 0.05 max 0.05 max - 300 min 450 min 19 160-180° 3d (d≤16)
4d (16
CB 400-V 0.29 max 0.55 max 1.8 max 0.04 max 0.04 max 0.56 max 400 min 570 min 14 160-180° 4d (d≤16)
4d (16
CB 500-V 0.32 max 0.55 max 1.8 max 0.04 max 0.04 max 0.61 max 500 min 650 min 14 160-180° 5d (d≤16)
6d (16
JIS G 3112:2010 (Nhật Bản) SD 295A - - - 0.05 max 0.05 max - 295 min 440 min 16 (d<25) 180° 3d (d≤16)
18 (d≥25) 4d (d>16)
SD 390 0.29 max 0.55 max 1.8 max 0.04 max 0.04 max 0.55 max 390-510 min 560 min 16 (d<25) 180° 5d
18 (d≥25)
ASTM A615/ A615M-18e1 (Hoa Kỳ) Gr40 (300) - - - 0.06 max - - 280 min 420 min 11 (d≤10) 180° 3,5d (d≤16)
12 (d>10) 5d (d>16)
Gr60 (420) - - - 0.06 max - - 420 min 620 min 9 (d≤10) 180° 3,5d (d≤16)
8 (19 5d (16
7d (25
7 (d>25) 9d (d>36)
BS4449:1997 (Anh quốc) Gr 250 0.25 max - - 0.06 max 0.06 max - 250 min 287 min 22 180° 3d
Gr 460 0.25 max - - 0.05 max 0.05 max - 460 min 483 min 14 180° 5d (d≤16)
9d (d>36)