Customization: | Available |
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Journal Diameter Dimensional Accuracy: | IT6-IT9 |
Journal Surface Roughness: | 0.63-0.16μm |
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Size: | OD: 40-320mm ID :30-280mm |
Length: | 1m -9m |
Material: | CK45/ ST52/ 20MnV6/ 42CrMo4/ 40Cr/ bearing steel/ stainless steel |
Tolerance | ISO f7 |
Chrome thickness: | 20~30micron |
Hardness of the chrome layer: | 800HV (min) |
Roughness: | Ra 0.2micron (max) |
Straightness: | 0.2/1000mm |
Yield Strength | ≥350 M p a |
Tensile Strength | ≥580 M p a |
Elongation | ≥ 15% |
Supply condition: | 1.Hard chrome plated |
2.Induction hardened | |
3.Quenched & Tempered | |
4.Induction hardened with Q&T |
Product Name | Hard chrome plated Hydraulic cylinder piston rod | |
Diameters | 6-300mm | |
Length | 100mm-1200mm | |
Steel grade |
DIN CK45 JIS 45C ASTM 1045 SAE 1045 AISI 1045 |
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Tolerance | ISO f7 | |
Chrome thickness | 20μm(min) | |
Hardness of the chrome layer | 850H V(min) | |
Roughness | Ra 0.2μm(max) | |
Straightness | 0.2/1000mm | |
Mechanical Properties(ck45) |
Yield strength≥20Mpa Tensile strengh≥80 M p a Elongation≥5% |
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Supply condition |
1.Hard chrome plated | |
2.Induction hardened | ||
3.Quenched & Tempered | ||
4.Induction hardened with Q&T |
Material | C% | Mn% | Si% | S% | P% | V% | Cr% |
Ck45 | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 | ≤0.25 | |
ST52 | ≤0.22 | ≤1.6 | ≤0.55 | ≤0.04 | ≤0.04 | 0.02-0.15 | |
20MnV6 | 0.17-0.24 | 1.30-1.70 | 0.10-0.50 | ≤0.035 | ≤0.035 | 0.10-0.20 | ≤0.30 |
42CrMo4 | 0.38-0.45 | 0.50-0.80 | 0.17-0.37 | ≤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 |
Material | T.S N/MM2 | Y.S N/MM2 | E%(MIN) | CHARPY | CONDITION |
CK45 | 610 | 355 | 15 | >41J | NORMALIZE |
CK45 | 800 | 630 | 20 | >41J | Q + T |
ST52 | 500 | 355 | 22 | NORMALIZE | |
20MnV6 | 750 | 590 | 12 | >40J | NORMALIZE |
42CrMo4 | 980 | 850 | 14 | >47J | Q + T |
40Cr | 1000 | 800 | 10 | Q + T |