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AS3678-350

Update: 2018/3/1      View:
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Introduction
1. technical conditions
1.1:AS3678-350, this brand is from Australian standard AS3678 - 1996, AS3678 is standard number, and 350 represents yield strength level.
2 chemical composition
Chemical composition (smelting,%) shall be in accordance with the provisions of Table 1
Table 1
C Si Mn S P Cr Ni Cu Mo Al Ti
Less than 0.22 = 0.55 = 1.70 = 0.40 = 0.35 = 0.30 = 0.50 = 0.40 = 0.35 = 0.100 = 0.040
See note 4 CE micro alloying elements (3) = 0.48
Note: 1) Cr+Ni+Cu+Mo = 1%
2) the content of Al is suitable for acid soluble aluminum or all aluminum.
3) V = 0.10%, N+V+Ti = 0.15%
3, delivery state: normalizing
4. Mechanical properties
The mechanical properties of the steel plate shall be in accordance with the provisions of Table 2
Table 2
Sigma S, MPa sigma B, MPa delta 5,%
812mm > > 360.
12-20mm, aged 350
20-80mm, aged 340
80-150mm, aged 330
>150-200mm, ≥330 ≥450 ≥20
5, size, shape, weight and allowable deviation
It should be in accordance with the regulations of ASTM A6, but the unevenness of the steel plate should be 1/2 of the specified value of A6.
5. chemical composition
Melting chemical composition press table 3 internal control components to execute
Table 3
Specification mm C Si Mn P S Cr Ni Cu Mo Al Ti
100 = 0.22 = 0.55 = 1.70 = 0.040 = 0.035 = 0.30 = 0.50 = 0.40 = 0.35 = 0.100 = 0.040 = 0.48
160 standard 0.160.19 0.300.50 1.401.60 = 0.020 = 0.015. - ditto - 0.0200.040 = 0.040 = 0.48 0.0150.030
Note: 1) Cr+Ni+Cu+Mo = 1%
2) normalizing process: 910 + 10 C 1.5 /mm (heat preservation time)
3) all other outstanding matters are carried out in accordance with the provisions of Q345E.
AS3678-350, Australia standard AS3678 - 1996, normalizing delivery, Wugang production, can be fixed according to customer demand, rolling futures, fast delivery, good service. Order contact with Li Lu 15294606696 QQ:2263689735
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