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Gangsteel Material Solution
Email: admin@gangsteel.com
Sales: jack@gangsteel.com
1. The applicable scope
The technology conditions apply to more than 40 mm thickness of WDB690 steel plates.
2. Technical requirements
2.1 chemical composition (melting analysis, Wt %)
Chart 1
|
C |
Si |
Mn |
P |
S |
Mo |
Nb |
B |
Ni |
Cu |
|
≤ 0.07 |
≤ 0.50 |
≤ 1.80 |
≤0.020 |
≤0.010 |
≤ 0.50 |
≤ 0.08 |
≤0.003 |
≤ 0.70 |
≤ 1.10 |
Note: (1) the supplier can be added other trace elements. Provide Ceq value and Pcm value.
(2) Ceq formulas for the Ceq (%) = C + Mn / 6 + (Mo + Cr + V) / 5 + (Ni + Cu) / 15
(3) Pcm formulas for the Pcm (%) = C + Si / 30 + Mn / 20 + Cu / 20 + Ni / 60 + Cr / 20 + Mo / 15 + V / 10 + 5 B
2.2 mechanical properties
Chart 2
|
Brand |
σs MPa |
σb MPa |
δ50 ％ |
-40℃AKV （纵）J |
冷弯 180℃ |
|
WDB690 |
≥580 |
≥670 |
≥18 |
≥47 |
d＝3a |
Note: (1) using 200 mm standard samples from, measuring 50 mm standard from the elongation of the inside.
(2) AKV-three sample frequency 47 J is average for qualified, if not at the beginning of the check, allowing the review,,According to the three review of average as judgement basis.
2.3 delivery status: controlled rolling and tempering
ASTM A516 GR 70 equivalent materials is such as ASME SA516 GR 70, EN 10028 P355GH, and BS1501 224-490 A & B, sh
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
