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	Hot-rolled round bar for sucker rod List of products Product category Standard Specification Delivery status Weight per bundle Cutting-to length Binding knots Sucker rod YB/T054-1994 GB/T 30771999 16~30 Bar 3.3~4.0 7.5 ~ 12 5~6 Product steel grade and chemical composition Steel grade % Chemical composition C Si Mn P S Cr Ni Mo 20CrMoA 0.17 ~ 0.24 0.17 ~ 0.37 0.40 ~ 0.70 ≤ 0.025 ≤ 0.025 0.80 ~ 1.10 ≤ 0.30 0.15 ~ 0.25 30CrMoA 0.26 ~ 0.34 0.17 ~ 0.37 0.40 ~ 0.70 ≤ 0.025 ≤ 0.025 0.80 ~ 1.10 ≤ 0.30 0.15 ~ 0.25 35CrMoA 0.32 ~ 0.40 0.17 ~ 0.37 0.40 ~ 0.70 ≤ 0.025 ≤ 0.025 0.80 ~ 1.10 ≤ 0.30 0.15 ~ 0.25 42CrMoA 0.38 ~ 0.45 0.17 ~ 0.37 0.50 ~ 0.80 ≤ 0.025 ≤ 0.025 0.90 ..... -1.20 ≤ 0.30 0.15 ~ 0.25 20Ni2MoA 0.18 ~ 0.23 0.17 ~ 0.37 0.70 ~ 0.90 ≤ 0.025 ≤ 0.025 ≤ 0.35 1.65 ~ 2.00 0.20 ~ 0.30 Product heat treatment and mechanical properties Steel grade Heat treatment methods Mechanical performance AkJ Impact Quenching Tempering Temperature Coolant Temperature Coolant o. MPa O b Ml'a % W% Shrinkage factor 20CrMoA 830 Water, oil 500 Water, oil 735 930 12 50 78 30CrMoA 880 540 785 930 12 50 63 35CrMoA 850 550 885 1030 12 45 63 42CrMoA 850 560 980 1130 12 45 63 20Ni2MoA 880 630 440 600 18 60 71 Size tolerance allowed Nominal diameter Diameter tolerance Out of round 16.0 ~ 19.0 1 0.40 ~ 0.10 ≤ 0.25 22.0 ~ 30.0 1 0.50 ~ 0.10 ≤ 0.30 Shipment Production by: BAOTOUSTEEL Delivery from: China: XINGANG and TIAN JIN port to any other port destination Delivery terms: CIF Payment terms: 100% Transferable Letter of Credit Volume: Up to 50,000 MT per month Quality certificate: ISO 9001 and 9002, SGS standard Idea of a price: Determined on 20-25th of each month for the next month's shipment
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