China S7 Steel Round Bar, Shock Resisting Steel, Find details about China S7 Steel, S7forged Steel from S7 Steel Round Bar, Shock Resisting Steel
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 7.76 g/cc | 0.280 lb/in³ | |
Mechanical Properties | Metric | English | Comments |
Hardness, Brinell | 187 - 223 | 187 - 223 | Annealed |
Hardness, Rockwell C | 45.0 - 57.0 | 45.0 - 57.0 | After typical heat treatment |
Thermal Properties | Metric | English | Comments |
CTE, linear | 12.6 µm/m-°C @Temperature 20.0 - 200 °C | 7.00 µin/in-°F @Temperature 68.0 - 392 °F | |
13.3 µm/m-°C @Temperature 20.0 - 650 °C | 7.39 µin/in-°F @Temperature 68.0 - 1200 °F | ||
Processing Properties | Metric | English | Comments |
Processing Temperature | 205 - 620 °C | 401 - 1150 °F | Tempering |
925 - 955 °C | 1700 - 1750 °F | Hardening | |
Annealing Temperature | 815 - 845 °C | 1500 - 1550 °F | Max cooling rate = 14°C/hr |
Component Elements Properties | Metric | English | Comments |
Carbon, C | 0.450 - 0.550 % | 0.450 - 0.550 % | |
Chromium, Cr | 3.00 - 3.50 % | 3.00 - 3.50 % | |
Iron, Fe | 92.0 - 94.9 % | 92.0 - 94.9 % | As remainder |
Manganese, Mn | 0.200 - 0.90 % | 0.200 - 0.90 % | |
Molybdenum, Mo | 1.3 - 1.80 % | 1.3 - 1.80 % | |
Silicon, Si | 0.200 - 1.0 % | 0.200 - 1.0 % | |
Vanadium, V | 0.200 - 0.300 % | 0.200 - 0.300 % | Optional |
Size | Round | Dia 6-1200mm |
Plate/Flat/Block | Thickness 6mm-500mm | |
Width 20mm-1000mm | ||
Heat treatment | Normalized ; Annealed ; Quenched ; Tempered | |
Surface condition | Black; Peeled; Polished; Machined; Grinded; Turned; Milled | |
Delivery condition | Forged; Hot rolled; Cold drawn | |
Test | Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. | |
Payment terms | T/T;L/C;/Money gram/ Paypal | |
Trade terms | FOB; CIF; C&F; etc.. | |
Delivery time | 30-45 days | |
Application | D2 used for Blanking Dies, Forming Dies, Coining Dies, Slitting Cutters, Heading Tools, Long Punches, Forming Rolls, Edging Rolls, Master Tools, Beading Rolls, Intricate Punches, Extrusion Dies, Drawing Dies, Lamination Dies, Thread Rolling Dies, Shear Blades, Burnishing Tools, Gauges, Knurls, Wear Parts. |