Following are Chrome plated rod and bar technical parameters:
CHEMICAL COMPOSITION
Material | C% | Mn% | Si% | S% | P% | V% | Cr% |
CK45 | 0.42-0.50 | 0.50-0.80 | ≤0.04 | ≤0.035 | 0.035 | ≤ 0.25 | |
ST52 | ≤0.22 | ≤1.6 | ≤0.55 | ≤0.04 | ≤0.04 | ||
20MnV6 | 0.16-0.22 | 1.30-1.70 | 0.10-0.50 | ≤0.035 | ≤0.035 | 0.10-0.20 | ≤0.30 |
42CrMo4 | 0.38-0.45 | 0.60-0.90 | 0.15-0.40 | ≤0.035 | ≤0.035 | 0.07-0.12 | 0.90-1.20 |
40Cr | 0.37-0.45 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 | 0.80-1.10 | |
304 | ≤0.07 | ≤2 | ≤1 | ≤0.03 | ≤0.045 | 18-20 | |
420 | 0.16-0.25 | ≤1.5 | ≤1 | ≤0.03 | ≤0.04 | 12-14 | |
431 | 0.12-0.22 | ≤1.5 | ≤1 | ≤0.03 | ≤0.04 | 15-17 | |
430 | ≤0.12 | ≤1 | ≤0.75 | ≤0.03 | ≤0.04 | 16-18 |
MECHANCIAL PROPERTIES
Material | T.S (MPA) |
Y.S (MPA) |
Elongation % |
CONDITION |
CK45 | ≥610 | ≥355 | ≥15 | NORMALIZE |
CK45 | ≥800 | ≥630 | ≥20 | Q + T |
ST52 | ≥500 | ≥355 | ≥22 | NORMALIZE |
20MnV6 | ≥750 | ≥590 | ≥12 | NORMALIZE |
42CrMo4 | ≥980 | ≥850 | ≥14 | Q + T |
40Cr | ≥1000 | ≥800 | ≥10 | Q + T |
304 | ≥520 | ≥205 | ≥40 | |
420 | ≥635 | ≥440 | ≥20 | |
431 | ≥800 | ≥600 | ≥10 | |
430 | ≥450 | ≥205 | ≥22 |
Tolerance:
Diameter (mm) | ISO f7 (um) | ISO f8 (um) | g6 (um) |
6 <Φ≤10 | -13 to -28 | -13 to -35 | -5 to -14 |
10 <Φ≤18 | -16 to -34 | -16 to -43 | -6 to -17 |
18 <Φ≤30 | -20 to -41 | -20 to -53 | -7 to -20 |
30 <Φ≤50 | -25 to -50 | -25 to -64 | -9 to -25 |
50 <Φ≤80 | -30 to -60 | -30 to -76 | -10 to -29 |
80 <Φ≤120 | -36 to -71 | -36 to -90 | - 12 to -34 |
120 <Φ≤180 | -43 to -83 | -43 to -106 | -14 to -39 |
180 <Φ≤250 | -50 to -96 | -50 to -122 | -15 to -44 |
Компания Wuxi Baiheng Metal Ltd. начала производство гидравлических цилиндров и хромовых стержней / осей в городе Уси еще в 2001 году. Мы в основном производим холодные вытяжные трубы, хонинговальные / шлифовальные трубы, хромированные стержни / оси / стержни, хромированные полые трубы / поршневые стержни и гидравлические цилиндры.
