| * Specifications - Carbon and Alloy Steel AISI 1006/1010/1017/1018/1020/1025/1038/1045(L)/1050/1060 AISI 1541/4037/4135/4140/5140 , AISI 10B21/10B35/15B41/51B20/51B37/51B40 AISI 52100 (Bearing Steel SUJ-2 ) SUH 3 (Heat Resting Steel for Engine Valves) - Free Cutting Carbon Steel AISI 1212, 1213, 1215, 12L14, 1137, 1141 JIS G 4804 SUM21, 22, 23, 24L, 41, 42 BS 230M07, 210M15, 210A15, DIN 9SMn28, 9SMnPb28 - Stainless Steel SUS 303/304/316(L)/410/416/430 , * Characteristics Cold Drawn, Polished, Peeled, Cold Forged, Smooth Turned. Centerless Ground, Chamfered Annealed, Hardened & Tempered(ASTM A-193) * Dimensions Dia.(mm) Length(M) Dia Tolerance Straightness Shape 2.0-110.0 2.0-7.0 h7, h8, h9 (*) 0.5/1,000 Round, Hexagon, Square & Flat * Dimensional Tolerances of Cold Finished Steel Bars Diameter h6 h7(*) h8 h9(**) h10 h11 h12 ∼3.000 0-0.006 0-0.010 0-0.014 0-0.025 0-0.040 0-0.060 0-0.10 3.001∼6.000 0-0.008 0-0.012 0-0.018 0-0.030 0-0.048 0-0.075 0-0.12 6.001∼10.000 - 0-0.015 0-0.022 0-0.036 0-0.058 0-0.090 0-0.15 10.001∼18.000 - 0-0.018 0-0.027 0-0.043 0-0.070 0-0.11 0-0.18 18.001∼30.000 - 0-0.021 0-0.033 0-0.052 0-0.084 0-0.13 0-0.21 30.001∼50.000 - 0-0.025 0-0.039 0-0.062 0-0.100 0-0.16 0-0.25 50.001∼80.000 - 0-0.030 0-0.046 0-0.074 0-0.12 0-0.19 0-0.30 80.001∼120.000 - 0-0.035 0-0.054 0-0.087 0-0.14 0-0.22 0-0.35 Remarks (1) Deviations in diameter or deviations shall be within 30% of the tolerance. (2) Values given in parentheses are based on JIS B 0401. * h7 - Cold Drawn + Grinding, Smooth Turning + Grinding ** h9 - Cold Drawn, Polishing, Peeling Centerless Ground Bars Guarantee h7 tolerance in diameter, Fine surface with uniform roughness, To be used for the precision components of electrical appliances, automotives, O.A. and optical instruments. Usually applied for SAE 1018, 1045, 12L14, 1213, 1215 | 
