PRODUCT&CASE
Extra long hydraulic piston rod
Extra long piston rod assembly
Extra long extended arm hydraulic piston rod
Hydraulic piston rod assembly
Large tonnage hydraulic piston rod assembly
Large tonnage variable amplitude piston rod
Luffing cylinder assembly
Variable amplitude piston rod assembly
Variable amplitude piston rod assembly
Variable amplitude piston rod assembly
Hydraulic piston rod assembly
Piston rod assembly
材质 / Material quality | 45#.ST52.25Mn.20#.20MnV6.42CrMo4.40Cr |
尺寸 / Size | φ20-φ500mm |
长度 / Length | L200-20000mm |
外径公差 / Outer diameter tolerance | f7-f8(其他可定制 / Other customizable options) |
铬层厚度 / Chromium plating thicknes | 0.02mm-0.50mm |
表面粗糙度 / Surface roughness | ≤0.05μm |
直线度 / Straightness | ≤0.1mm/m |
调质处理 / Quenching and tempering hardness | HB220-360 |
高频淬火 / High-frequency quenching | HRC50-60 |
表面硬度 / Surface hardness | 800-1150HV |
表面处理 / Surface treatment |
镀铬、中高频感应淬火、调质、调质+中高频感应淬火 Chromium plating, medium and high frequency induction hardening, quenching and tempering, quenching and tempering+medium and high frequency induction hardening |
盐雾试验 / Salt spray test | 9级 150-300小时 / Level 9 150-300 hours |
可焊接性 / Weldability | 好 / good |
包装 / Packing |
防锈油处理后每根套入防水纸管/木箱 After rust prevention oil treatment, each piece is wrapped in a waterproof paper tube / wooden box |
质量证明 / Quality certificate |
提供产品质量报告、镀铬厚度报告、盐雾测试报告等 Provide product quality reports, chromium plating thickness reports, salt spray test reports, etc |
特殊要求 / Special requirements |
根据客户要求定制产品 Customizing products according to customer requirements |
材质 / Material quality | C | Si | Mn | P | S | Cr | Ni | Cu | V |
45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.30 | ≤0.25 | / |
ST52 | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.50 | ≤0.30 | ≤0.15 |
25Mn | 0.22-0.29 | 0.17-0.37 | 0.70-1.0 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.30 | ≤0.25 | / |
20# | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.30 | ≤0.25 | / |
20MnV6 | 0.16-0.22 | 0.10-0.50 | 1.30-1.70 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.30 | ≤0.30 | 0.10-0.20 |
42CrMo4 | 0.38-0.45 | 0.15-0.40 | 0.60-0.90 | ≤0.30 | ≤0.035 | 0.9-1.20 | / | / | / |
40Cr | 0.37-0.45 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.8-1.10 | ≤0.30 | ≤0.30 | / |
材质 Material quality |
抗拉强度 / Tensilestrength N/mm² (MPa) |
屈服强度 / Yield strength N/mm² (MPa) |
伸长率 / Elongation E% |
冲击功 / Impactenergy J |
45#冷拔 / 45 # Cold drawn | ≥630 | ≥540 | ≥15 | ≥41 |
45#调质 / 45 # Quenching and tempering | ≥800 | ≥630 | ≥20 | ≥41 |
Q345D冷拔 / Q345D cold drawn | ≥620 | ≥520 | ≥15 | ≥27(-20℃) |
25Mn冷拔 / 25Mn cold drawn | ≥620 | ≥520 | ≥15 | / |
20#冷拔 / 20 # cold drawn | ≥520 | ≥400 | ≥15 | / |
20MnV6 | ≥750 | ≥590 | ≥12 | ≥40 |
42CrMo4 | ≥980 | ≥850 | ≥14 | ≥47 |
40Cr | ≥1000 | ≥800 | ≥10 | / |
规格 Specifications |
每米重 Weight per meter |
镀铬面积 Chromium plating area |
公差f7 Tolerance f7 |
公差f8 Tolerance f8 |
公差f9 Tolerance f9 |
备注 Remarks |
Ф20 | 2.5 | 6.28 | 0.02-0.041 | 0.02-0.053 | 0.02-0.072 | 负公差 |
Ф22 | 3 | 6.9 | 0.02-0.041 | 0.02-0.053 | 0.02-0.072 | 负公差 |
Ф25 | 3.9 | 7.85 | 0.02-0.041 | 0.02-0.053 | 0.02-0.072 | 负公差 |
Ф28 | 4.8 | 8.8 | 0.02-0.041 | 0.02-0.053 | 0.02-0.072 | 负公差 |
Ф30 | 5.6 | 9.4 | 0.02-0.041 | 0.02-0.053 | 0.02-0.072 | 负公差 |
Ф32 | 6.3 | 10 | 0.025-0.05 | 0.02-0.064 | 0.02-0.087 | 负公差 |
Ф35 | 7.6 | 11 | 0.025-0.05 | 0.02-0.064 | 0.02-0.087 | 负公差 |
Ф36 | 8 | 11.3 | 0.025-0.05 | 0.02-0.064 | 0.02-0.087 | 负公差 |
Ф38 | 8.9 | 11.9 | 0.025-0.05 | 0.02-0.064 | 0.02-0.087 | 负公差 |
Ф40 | 9.9 | 12.6 | 0.025-0.05 | 0.02-0.064 | 0.02-0.087 | 负公差 |
Ф45 | 12.5 | 14.1 | 0.025-0.05 | 0.02-0.064 | 0.02-0.087 | 负公差 |
Ф50 | 15.4 | 15.7 | 0.025-0.05 | 0.02-0.064 | 0.02-0.087 | 负公差 |
Ф55 | 18.7 | 17.3 | 0.03-0.06 | 0.03-0.076 | 0.03-0.104 | 负公差 |
Ф56 | 19.3 | 17.6 | 0.03-0.06 | 0.03-0.076 | 0.03-0.104 | 负公差 |
Ф60 | 22.2 | 18.8 | 0.03-0.06 | 0.03-0.076 | 0.03-0.104 | 负公差 |
Ф63 | 24.5 | 19.8 | 0.03-0.06 | 0.03-0.076 | 0.03-0.104 | 负公差 |
Ф65 | 26.1 | 20.4 | 0.03-0.06 | 0.03-0.076 | 0.03-0.104 | 负公差 |
Ф70 | 30.2 | 22 | 0.03-0.06 | 0.03-0.076 | 0.03-0.104 | 负公差 |
Ф75 | 34.7 | 23.6 | 0.03-0.06 | 0.03-0.076 | 0.03-0.104 | 负公差 |
Ф80 | 39.5 | 25.1 | 0.03-0.06 | 0.03-0.076 | 0.03-0.104 | 负公差 |
Ф85 | 44.6 | 26.7 | 0.036-0.071 | 0.036-0.09 | 0.036-0.123 | 负公差 |
Ф90 | 50 | 28.3 | 0.036-0.071 | 0.036-0.09 | 0.036-0.123 | 负公差 |
Ф95 | 55.7 | 29.8 | 0.036-0.071 | 0.036-0.09 | 0.036-0.123 | 负公差 |
Ф100 | 61.7 | 31.4 | 0.036-0.071 | 0.036-0.09 | 0.036-0.123 | 负公差 |
Ф105 | 68 | 33 | 0.036-0.071 | 0.036-0.09 | 0.036-0.123 | 负公差 |
Ф110 | 74.7 | 34.5 | 0.036-0.071 | 0.036-0.09 | 0.036-0.123 | 负公差 |
Ф115 | 81.6 | 36.1 | 0.036-0.071 | 0.036-0.09 | 0.036-0.123 | 负公差 |
Ф120 | 88.8 | 37.7 | 0.036-0.071 | 0.036-0.09 | 0.036-0.123 | 负公差 |
Ф125 | 96 | 39.3 | 0.043-0.083 | 0.043-0.106 | 0.043-0.143 | 负公差 |
Ф130 | 104.3 | 40.8 | 0.043-0.083 | 0.043-0.106 | 0.043-0.143 | 负公差 |
Ф140 | 120.9 | 44 | 0.043-0.083 | 0.043-0.106 | 0.043-0.143 | 负公差 |
Ф150 | 138.8 | 47.1 | 0.043-0.083 | 0.043-0.106 | 0.043-0.143 | 负公差 |
Ф160 | 157.9 | 50.2 | 0.043-0.083 | 0.043-0.106 | 0.043-0.143 | 负公差 |
Ф170 | 178.3 | 53.4 | 0.043-0.083 | 0.043-0.106 | 0.043-0.143 | 负公差 |
Ф180 | 199.9 | 56.5 | 0.043-0.083 | 0.043-0.106 | 0.043-0.143 | 负公差 |
Ф190 | 222.7 | 59.7 | 0.05-0.096 | 0.05-0.122 | 0.05-0.165 | 负公差 |
Ф200 | 246.8 | 62.8 | 0.05-0.096 | 0.05-0.122 | 0.05-0.165 | 负公差 |
Ф210 | 272.1 | 66 | 0.05-0.096 | 0.05-0.122 | 0.05-0.165 | 负公差 |
Ф220 | 298.6 | 69.1 | 0.05-0.096 | 0.05-0.122 | 0.05-0.165 | 负公差 |
Ф230 | 326.4 | 72.2 | 0.05-0.096 | 0.05-0.122 | 0.05-0.165 | 负公差 |
Ф240 | 355.4 | 75.4 | 0.05-0.096 | 0.05-0.122 | 0.05-0.165 | 负公差 |
Ф250 | 385.6 | 78.5 | 0.05-0.096 | 0.05-0.122 | 0.05-0.165 | 负公差 |