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      1. PRODUCT&CASE
        Position:Home > PRODUCT&CASE >Products
        55 record 12345 Next
        Technical characteristics
        材質(zhì) / Material quality 45#.ST52.25Mn.20#.20MnV6.42CrMo4.40Cr
        尺寸 / Size φ20-φ500mm
        長(zhǎng)度 / Length L200-20000mm
        外徑公差 / Outer diameter tolerance f7-f8(其他可定制 / Other customizable options)
        鉻層厚度  / Chromium plating thicknes 0.02mm-0.50mm
        表面粗糙度 / Surface roughness ≤0.05μm
        直線度 / Straightness ≤0.1mm/m
        調(diào)質(zhì)處理 / Quenching and tempering hardness HB220-360
        高頻淬火 / High-frequency quenching HRC50-60
        表面硬度 / Surface hardness 800-1150HV
        表面處理 / Surface treatment 鍍鉻、中高頻感應(yīng)淬火、調(diào)質(zhì)、調(diào)質(zhì)+中高頻感應(yīng)淬火
        Chromium plating, medium and high frequency induction hardening, quenching and tempering, quenching and
        tempering+medium and high frequency induction hardening
        鹽霧試驗(yàn) / Salt spray test 9級(jí) 150-300小時(shí) / Level 9 150-300 hours
        可焊接性 / Weldability 好 / good
        包裝 / Packing 防銹油處理后每根套入防水紙管/木箱
        After rust prevention oil treatment, each piece is wrapped in a waterproof paper tube / wooden box
        質(zhì)量證明 / Quality certificate 提供產(chǎn)品質(zhì)量報(bào)告、鍍鉻厚度報(bào)告、鹽霧測(cè)試報(bào)告等
        Provide product quality reports, chromium plating thickness reports, salt spray test reports, etc
        特殊要求 / Special requirements  根據(jù)客戶要求定制產(chǎn)品
        Customizing products according to customer requirements



        Chemical composition
        材質(zhì) / 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 /



        Mechanical
        材質(zhì)
        Material quality
        抗拉強(qiáng)度 / Tensilestrength  N/mm²
        (MPa)
        屈服強(qiáng)度 / Yield strength  N/mm²
        (MPa)
        伸長(zhǎng)率 / Elongation
        E%
        沖擊功 /  Impactenergy
        J
        45#冷拔 / 45 # Cold drawn ≥630 ≥540 ≥15 ≥41
        45#調(diào)質(zhì) / 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 /



        Solid chrome plated piston rod parameters
        規(guī)格
        Specifications
        每米重
        Weight per meter
        鍍鉻面積
        Chromium plating area
        公差f7
        Tolerance f7
        公差f8
        Tolerance f8
        公差f9
        Tolerance f9
        備注
        Remarks
        Ф20 2.5 6.28 0.02-0.041 0.02-0.053 0.02-0.072 負(fù)公差
        Ф22 3 6.9 0.02-0.041 0.02-0.053 0.02-0.072 負(fù)公差
        Ф25 3.9 7.85 0.02-0.041 0.02-0.053 0.02-0.072 負(fù)公差
        Ф28 4.8 8.8 0.02-0.041 0.02-0.053 0.02-0.072 負(fù)公差
        Ф30 5.6 9.4 0.02-0.041 0.02-0.053 0.02-0.072 負(fù)公差
        Ф32 6.3 10 0.025-0.05 0.02-0.064 0.02-0.087 負(fù)公差
        Ф35 7.6 11 0.025-0.05 0.02-0.064 0.02-0.087 負(fù)公差
        Ф36 8 11.3 0.025-0.05 0.02-0.064 0.02-0.087 負(fù)公差
        Ф38 8.9 11.9 0.025-0.05 0.02-0.064 0.02-0.087 負(fù)公差
        Ф40 9.9 12.6 0.025-0.05 0.02-0.064 0.02-0.087 負(fù)公差
        Ф45 12.5 14.1 0.025-0.05 0.02-0.064 0.02-0.087 負(fù)公差
        Ф50 15.4 15.7 0.025-0.05 0.02-0.064 0.02-0.087 負(fù)公差
        Ф55 18.7 17.3 0.03-0.06 0.03-0.076 0.03-0.104 負(fù)公差
        Ф56 19.3 17.6 0.03-0.06 0.03-0.076 0.03-0.104 負(fù)公差
        Ф60 22.2 18.8 0.03-0.06 0.03-0.076 0.03-0.104 負(fù)公差
        Ф63 24.5 19.8 0.03-0.06 0.03-0.076 0.03-0.104 負(fù)公差
        Ф65 26.1 20.4 0.03-0.06 0.03-0.076 0.03-0.104 負(fù)公差
        Ф70 30.2 22 0.03-0.06 0.03-0.076 0.03-0.104 負(fù)公差
        Ф75 34.7 23.6 0.03-0.06 0.03-0.076 0.03-0.104 負(fù)公差
        Ф80 39.5 25.1 0.03-0.06 0.03-0.076 0.03-0.104 負(fù)公差
        Ф85 44.6 26.7 0.036-0.071 0.036-0.09 0.036-0.123 負(fù)公差
        Ф90 50 28.3 0.036-0.071 0.036-0.09 0.036-0.123 負(fù)公差
        Ф95 55.7 29.8 0.036-0.071 0.036-0.09 0.036-0.123 負(fù)公差
        Ф100 61.7 31.4 0.036-0.071 0.036-0.09 0.036-0.123 負(fù)公差
        Ф105 68 33 0.036-0.071 0.036-0.09 0.036-0.123 負(fù)公差
        Ф110 74.7 34.5 0.036-0.071 0.036-0.09 0.036-0.123 負(fù)公差
        Ф115 81.6 36.1 0.036-0.071 0.036-0.09 0.036-0.123 負(fù)公差
        Ф120 88.8 37.7 0.036-0.071 0.036-0.09 0.036-0.123 負(fù)公差
        Ф125 96 39.3 0.043-0.083 0.043-0.106 0.043-0.143 負(fù)公差
        Ф130 104.3 40.8 0.043-0.083 0.043-0.106 0.043-0.143 負(fù)公差
        Ф140 120.9 44 0.043-0.083 0.043-0.106 0.043-0.143 負(fù)公差
        Ф150 138.8 47.1 0.043-0.083 0.043-0.106 0.043-0.143 負(fù)公差
        Ф160 157.9 50.2 0.043-0.083 0.043-0.106 0.043-0.143 負(fù)公差
        Ф170 178.3 53.4 0.043-0.083 0.043-0.106 0.043-0.143 負(fù)公差
        Ф180 199.9 56.5 0.043-0.083 0.043-0.106 0.043-0.143 負(fù)公差
        Ф190 222.7 59.7 0.05-0.096 0.05-0.122 0.05-0.165 負(fù)公差
        Ф200 246.8 62.8 0.05-0.096 0.05-0.122 0.05-0.165 負(fù)公差
        Ф210 272.1 66 0.05-0.096 0.05-0.122 0.05-0.165 負(fù)公差
        Ф220 298.6 69.1 0.05-0.096 0.05-0.122 0.05-0.165 負(fù)公差
        Ф230 326.4 72.2 0.05-0.096 0.05-0.122 0.05-0.165 負(fù)公差
        Ф240 355.4 75.4 0.05-0.096 0.05-0.122 0.05-0.165 負(fù)公差
        Ф250 385.6 78.5 0.05-0.096 0.05-0.122 0.05-0.165 負(fù)公差