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Месяц | Минимальная цена | Макс. стоимость |
---|---|---|
Aug-17-2025 | 1.57 $* | 1.34 $* |
Jul-17-2025 | 1.54 $* | 1.44 $* |
Jun-17-2025 | 1.28 $* | 1.88 $* |
May-17-2025 | 1.93 $* | 1.41 $* |
Apr-17-2025 | 1.13 $* | 1.7 $* |
Mar-17-2025 | 1.54 $* | 1.53 $* |
Feb-17-2025 | 1.89 $* | 1.46 $* |
Jan-17-2025 | 1.61 $* | 1.12 $* |
Product | Forging steel ball , Rolling steel ball , Casting steel ball ,etc |
Size | 20mm , 25mm. 30mm , 40mm,50mm , 60mm, 70mm , 75mm ,80mm, 90mm, 100mm, 110mm , 120mm , 125mm, 130mm , 140mm , 150mm ,etc |
Standard | EN12413, ISO9001:2008 |
Materials | B2, B3, B4, B6, 42 Cr, 65Mn, 50 Mn Steel etc. Please tell us your requirement. |
Hardness | HRC 40-65 |
Impact Toughness | ≥ 12 j/cm2 |
Field | Cement plant , Mining , Power station , Chemical industries ,etc |
MOQ | 1 ton |
Lead Time | In 15 days for quantity under 100 tons |
Testing | Drop testing , Impact testing , Hardness testing ,Chemical composition testing |
Free Sample | Available upon request |
1.Diameter tolerance and roundness | ||||||||
Diameter | 30-60 mm | 70-90 mm | 100-125 mm | 150mm | ||||
Diameter roundness(mm) | ±2 | +3,-2 | +4,-3 | +5,-4 | ||||
Roundness(%) | ≤2 | ≤3 | ≤4 | ≤5 |
2.Chemical composition | ||||||||||||||||||
Brand | C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) | Ni(%) | |||||||||
45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.80 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 | |||||||||
40Mn | 0.37-0.44 | 0.17-0.37 | 0.7-1.0 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 | |||||||||
50Mn | 0.48-0.56 | 0.17-0.37 | 0.60-1.0 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 | |||||||||
60Mn | 0.57-0.65 | 0.17-0.37 | 0.70-1.0 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 | |||||||||
65Mn | 0.62-0.70 | 0.17-0.37 | 0.90-1.0 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 | |||||||||
70Mn | 0.67-0.75 | 0.17-0.37 | 0.90-1.20 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 | |||||||||
40Cr | 0.37-0.45 | 0.17-0.37 | 0.50-0.8 | 0.80-1.1 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 | |||||||||
42CrMo | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.90-1.2 | 0-0.03 | 0.15-0.25 | 0-0.035 | 0-0.035 | 0-0.30 | |||||||||
70Cr2 | 0.65-0.75 | 0.20-0.30 | 0.75-0.90 | 0.55-0.70 | 0-0.25 | 0-0.30 | 0-0.030 | 0-0.030 | 0-0.30 | |||||||||
40Mn2 | 0.37-0.44 | 0.17-0.37 | 1.4-1.8 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.30 | 0-0.30 | |||||||||
70Mn2 | 0.65-0.75 | 0.20-0.45 | 1.4-1.8 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.030 | 0-0.30 | |||||||||
B-1 | 0.52-0.65 | 0.17-0.37 | 0.60-1.2 | 0-0.25 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 | |||||||||
B-2 | 0.70-0.80 | 0.17-0.37 | 0.70-0.80 | 0.50-0.60 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 | |||||||||
B-3 | 0.58-0.66 | 1.2-1.6 | 0.65-0.80 | 0.70-0.90 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 | |||||||||
B-4 | 0.60-0.65 | 1.6-1.7 | 0.7-0.8 | 0.7-0.8 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 | |||||||||
B-6 | 0.75-0.85 | 0.2-0.40 | 0.9-1.0 | 0.85-0.95 | 0-0.25 | 0.06-0.13 | 0-0.035 | 02-0.035 | 0.06-0.13 | |||||||||
B-6A | 0.82-0.95 | 0.20-0.40 | 0.92-1.02 | 0.80-0.95 | 0-0.25 | 0.06-0.10 | 0-0.035 | 0-0.035 | 0.06-0.10 | |||||||||
B-7 | 0.35-0.40 | 0.17-0.37 | 0.7-0.8 | 0.9-1.0 | 0-0.25 | 0-0.30 | 0-0.035 | 0-0.035 | 0-0.30 | |||||||||
BU | 0.95-1.05 | 0.17-0.37 | 0.9-1.10 | 0.40-0.60 | 0-0.15 | 0-0.05 | 0-0.035 | 0-0.035 | 0-0.30 | |||||||||
Gr15 | 0.95-1.05 | 0.15-0.35 | 0.20-0.40 | 1.30-1.65 | 0-0.25 | 0-0.10 | 0-0.027 | 0-0.020 | 0-0.10 |
3.Technical specification | ||||||||||
Brand | Breakage rate | Hardness (HRC) | Impact value (J/cm²) | Drop times (times) | Micro structure | |||||
45# | <1% | ≥45 | ≥12 | ≥8000 | M+C | |||||
40Mn | <1% | ≥50 | ≥12 | ≥10000 | M+C | |||||
50Mn | <1% | ≥55 | ≥12 | ≥10000 | M+C | |||||
60Mn | <1% | ≥55 | ≥12 | ≥12000 | M+C | |||||
65Mn | <1% | ≥58 | ≥12 | ≥12000 | M+C | |||||
70Mn | <1% | ≥60 | ≥12 | ≥12000 | M+C | |||||
40Cr | <1% | ≥55 | ≥12 | ≥12000 | M+C | |||||
42CrMo | <1% | ≥55 | ≥12 | ≥12000 | M+C | |||||
70Cr2 | <1% | ≥58 | ≥12 | ≥12000 | M+C | |||||
40Mn2 | <1% | ≥55 | ≥12 | ≥12000 | M+C | |||||
70Mn2 | <1% | ≥58 | ≥12 | ≥12000 | M+C | |||||
B-1 | <1% | ≥55 | ≥12 | ≥12000 | M+C | |||||
B-2 | <1% | ≥58 | ≥12 | ≥15000 | M+C | |||||
B-3 | <1% | ≥60 | ≥12 | ≥15000 | M+C | |||||
B-4 | <1% | ≥60 | ≥12 | ≥15000 | M+C | |||||
B-6 | <1% | ≥60 | ≥12 | ≥15000 | M+C | |||||
B-6A | <1% | ≥60 | ≥12 | ≥15000 | M+C | |||||
B-7 | <1% | ≥60 | ≥12 | ≥15000 | M+C | |||||
BU | <1% | ≥60 | ≥12 | ≥15000 | M+C | |||||
Gr15 | <1% | ≥60 | ≥12 | ≥15000 | M+C |
Данные ресурс не является интернет-магазином, а лишь содержит ссылки на международную торговую площадку Alibaba.com