产品&案例
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 |