Product List
Gangsteel Material Solution
Email: admin@gangsteel.com
Sales: jack@gangsteel.com
1. The main technical requirements
1.1 brand and chemical composition
Steel grades and chemical composition (melting analysis) should be in accordance with table 1.
Chart 1 wt％
|
Brand |
composition ％ |
|||||
|
C |
Si |
Mn |
P |
S |
Pcm |
|
|
SHT60 |
0.08-0.16 |
0.15-0.55 |
1.40-2.00 |
≤0.030 |
≤0.030 |
≤0.30 |
Note: Pcm for welding crack sensitive components, Pcm computation formula is as follows:
Pcm = C + Si / 30 + Mn / 20 + Cu / 20 + Ni / 60 + Cr / 20 + Mo / 15 + V / 10 + 5 B
1.2 the mechanical properties of the steel plate should comply with the provisions in table 2.
Chart 2
|
specification
|
σsu MPa |
σb MPa |
δ% |
180°bend test （1Sample number） d=Bending diametera＝Sample thickness |
-5℃Akv(Longitudinal) J(4 sample) |
|
≥8～20 |
≥450 |
590～740 |
≥15（5Sample number） |
d=3a |
≥47 |
|
＞20～36 |
≥19（4Sample number） |
1. The size, shape, weight and allow deviation
The steel plate size and shape, weight and deviation should be allowed to meet the provisions of JIS G 3193. One roughness, bending and cutting skewed sickle shall comply with the following provisions:
2.1 roughness
Roughness shall not be more than 6 mm / 4 m, and 1 m span in more than 3 mm shall not the ripple.
2.2 the sickle bent
Curved sickle shall not be more than 5 mm / 6 m.
2.3 cutting deflection
The cutting should be according to the deflection is shown below, A/W than 1.0%.A is measured, W for mark width.
|
A |
|
W |
we supply high-quality A516 Gr 70 steel plate for pressure vessel applications and other standards like ASTM A2
EN10028-2 P355GH for High-Strength Low-Alloy Columbium-Vanadium Structural Steel EN10025-2 S355J2 Structural St
We export A240 304L Stainless Coil 2B, NO.1 No.4 surface, the thickness 0.1mm to 3mm, 3mm to 22mm, Mother mill
ASTM A516 GR 70 equivalent materials is such as ASME SA516 GR 70, EN 10028 P355GH, and BS1501 224-490 A & B, sh
