Commitment: a penalty at ten! 20CrNiMoA Sales Hotline: Zhang Ting 18964196422 021-66630039 
 Business Manager: Shuai Dong (Manager) 15900718360 021-56691522 
 Sales unit: Kai Steel Co., Ltd Shanghai Steel 
 Business QQ: 327237499 969552363 1425895918 
 Official Website: www.steelqi.com 
 Business Consulting: 327237499@qq.com 
 Shipping Address: River Road, Baoshan District Shanghai, Lane 448 No. 1, 1402 (Baosteel No. 2 Gate 2 km) Welcome to the new and old customers to visit, first make friends! 
 Company aim: for many years specialized in all kinds of high-grade steel sales, credibility first, customer first, with a grateful heart and a professional business knowledge to provide customers with comprehensive after sales service! 
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 20CrNiMoA round 20CrNiMoA round 20CrNiMoA rod 
 20CrNiMoA round 20CrNiMoA round 20CrNiMoA rod 
 20CrNiMoA round Manufacturer: Xing Cheng, Daye, re special, Baosteel, expensive steel 
 20CrNiMoA round common specifications:? ￠ 12 ￠ 14 ￠ 16 ￠ 20 ￠ 25 ￠ 30 ￠ 35 ￠ 40 ￠ 45 ￠ 50 ￠ 55 ￠ 60 ￠ 70 ￠ 75 ￠ 80 ￠ 85 
 20CrNiMoA alloy structural steel:? ￠ 90 ￠ 100 ￠ 110 ￠ 120 ￠ 130 ￠ 140 ￠ 150 ￠ 160-250 
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 Shanghai Steel Kai solemn promise: a penalty at ten! Sincere service! Procurement of materials from our company, a round on each plate are each an original 100% guaranteed authentic, together with the material and the material corresponding to the book, please be assured co-operation with the Shanghai steel Kai! 
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 Material Name: Alloy Steel 
 Grade: 20CrNiMoA 
 Standard: GB / T 3077-1999 
 Chemical composition of carbon C: 0.17 ~ 0.23 
 Si Si: 0.17 ~ 0.37 
 Manganese Mn: 0.60 ~ 0.95 
 Sulfur S: to allow the residual content of ≤ 0.035 
 Phosphorus P: allow the residual content ≤ 0.035 
 Chromium Cr: 0.40 ~ 0.70 
 Ni-Ni: 0.35 ~ 0.75 
 Copper Cu: to allow the residual content ≤ 0.030 
 Mo Mo: 0.20 ~ 0.30 
 Mechanical properties of tensile strength σb (MPa): ≥ 980 (100) 
 Yield strength σs (MPa): ≥ 785 (80) 
 Elongation δ5 (%): ≥ 9 
 Reduction of area ψ (%): ≥ 40 
 Impact energy Akv (J): ≥ 47 
 Impact toughness αkv (J/cm2): ≥ 59 (6) 
 Hardness: ≤ 197HB 
 Sample size: Sample size is 15mm rough 
 Heat treatment Heat treatment specifications: quenching 850 ℃, oil cooling; tempering 200 ℃, air-cooled. 
 Delivery status: to heat treatment (normalizing, annealing, or tempering) or heat treatment delivery, delivery status should be indicated in the contract. 
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 Our advantages: the supply and service has a long experience, has a complete inventory of steel and rich, with a regular purchase channels and reasonable price, 
 Has a good technical support and after-sales service, have a perfect logistics and speed of delivery, the Division has owned the team can provide customers with quick material delivery, remote clients are given special express delivery company. The following provincial areas can be served: 
 Our many years of focus on 20CrNiMoA round: 
 Zhenjiang, Danyang, Jurong Gaoyou Jiangdu Yizheng Zhoukou Taicang, Wujiang Yangzhong Jingjiang Jinzhou, Panjin 20CrNiMoA round 
 Tonglu Hangzhou Xiaoshan, Fuyang built Dean Ji Pro An Changxing, Shaoxing, Zhuji Huangyan round waterfront 20CrNiMoA 
 Liaoning and Hebei Baoding, Cangzhou, Chengde, Dandong, Dalian, Fushun, Fuxin Road and Bridge Xinchang 20CrNiMoA country round in Shengzhou 
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 Changshu, Suzhou, Hangzhou, Lishui, such as the East Rugao, Tongzhou Wujiang, Kunshan, Taicang, Huzhou Zhengzhou 20CrNiMoA round Suqian 
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 20CrNiMoA round φ0.1-φ3.0 φ3 φ4 φ5 φ6 φ7 φ8 φ9 φ9.5 φ10 φ11 φ12 φ12.7 φ14φ15 ￠ 16 ￠ 17 ￠ 18 
 20CrNiMoA round ￠ 19 ￠ 20 ￠ 21 ￠ 22 ￠ 23 ￠ 24 ￠ 25 ￠ 36 ￠ 24 ￠ 25 ￠ 26 ￠ 27 ￠ 28 ￠ 29 ￠ 30 ￠ 31 
 20CrNiMoA round ￠ 32 ￠ 34 ￠ 35 ￠ 36 ￠ 38 ￠ 40 ￠ 42 ￠ 44 ￠ 45 ￠ 46 ￠ 48 ￠ 50 ￠ 52 ￠ 54 ￠ 55 ￠ 56 
 20CrNiMoA round ￠ 58 ￠ 62 ￠ 64 ￠ 65 ￠ 66 ￠ 68 ￠ 70 ￠ 72 ￠ 74 ￠ 75 ￠ 76 ￠ 78 ￠ 80 ￠ 82 ￠ 84 ￠ 85 
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 20CrNiMoA round ￠ 175 ￠ 176 ￠ 178 ￠ 180 ￠ 182 ￠ 184 ￠ 185 ￠ 186 ￠ 188 ￠ 190 ￠ 192 ￠ 194 ￠ 195 
 20CrNiMoA round ￠ 196 ￠ 198 ￠ 200 ￠ 202 ￠ 204 ￠ 206 ￠ 208 ￠ 210 ￠ 212 ￠ 214 ￠ 215 ￠ 216 ￠ 218 
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 20CrNiMoA round ￠ 86 ￠ 88 ￠ 90 ￠ 92 ￠ 94 ￠ 95 ￠ 96 ￠ 98 ￠ 100 ￠ 102 ￠ 104 ￠ 105 ￠ 106 ￠ 108 
 20CrNiMoA round ￠ 110 ￠ 112 ￠ 114 ￠ 115 ￠ 116 ￠ 118 ￠ 120 ￠ 122 ￠ 124 ￠ 125 ￠ 126 ￠ 128 ￠ 130 
 20CrNiMoA round ￠ 132 ￠ 134 ￠ 135 ￠ 136 ￠ 138 ￠ 140 ￠ 142 ￠ 144 ￠ 145 ￠ 146 ￠ 148 ￠ 150 ￠ 152 
 20CrNiMoA round ￠ 154 ￠ 155 ￠ 156 ￠ 158 ￠ 160 ￠ 162 ￠ 164 ￠ 165 ￠ 166 ￠ 168 ￠ 170 ￠ 172 ￠ 174 
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 China: GB / T 3077-1999 (20CrNiMoA) 
 International Organization for Standardization: ISO 683-11 1987 E (20NiCrMo2 20NiCrMoS2) 
 United States: ASTM A29-1993a (8615 8617 8620 8622) 
 Japan: JIS G4103-1979 (SNCM220)