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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
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
The astm a516 gr 70 yield strength of 260 MPa ensures structural integrity in high-pressure applications, such
