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1. The heating: furnace temperature to 800 ℃the following start to put steel, steel simmer for 1 hour, less than 950 ℃of warming rate < 120 ℃/ hour, > 950 ℃, and the speed of temperature rise not limited, the highest temperature of heat must not exceed 1250 ℃, when heating, furnace reduction or neutral as far as possible the atmosphere, heat preservation time according to B standards, only allowed in advance, and not allowed to put off the steel.
2. Rolling: open rolling temperature of 1050 ℃, finishing temperature of 850-900 ℃, Rolling Pass Reduction≤10% , rapid rolling.
3. Normalized: 900 + 10 ℃, heat preservation time 1.5-1.8 min/mm
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
