| | Stainless Steel Round Bar Diameter | Grade | Diameter | Grade | 303(1.4305) | 304 (1.4301/07) | 316(1.4404) | 303(1.4305) | 304 (1.4301/07) | 316(1.4401/4) | 2mm | X | X | X | 30mm | X | X | X | 2.3mm | X | X | X | 1.1/4” | X | X | X | 2.5mm | X | X | X | 1.3/8” | X | X | X | 3mm | X | X | X | 35mm | X | X | X | 1/8” | X | X | X | 1.1/2” | X | X | X | 4mm | X | X | X | 40mm | X | X | X | 3/16” | X | X | X | 1.3/4” | X | X | X | 5mm | X | X | X | 1.7/8” | X | X | X | 6mm | X | X | X | 50mm | X | X | X | ¼” | X | X | X | 2” | X | X | X | 5/6” | X | X | X | 2.1/8” | X | X | X | 8mm | X | X | X | 2.1/4” | X | X | X | 3/8” | X | X | X | 2.3/8” | X | X | X | 10mm | X | X | X | 2.1/2” | X | X | X | 7/16” | X | X | X | 2.3/4” | X | X | X | 12mm | X | X | X | 3” | X | X | X | ½” | X | X | X | 3.1/4” | X | X | X | 15mm | X | X | X | 3.1/2” | X | X | X | 5/8” | X | X | X | 3.3/4” | X | X | X | 16mm | X | X | X | 4” | X | X | X | 18mm | X | X | X | 4.1/4” | X | X | X | ¾” | X | X | X | 4.1/2” | | X | X | 20mm | X | X | X | 5” | | X | X | 7/8” | X | X | X | 5.1/4” | | X | X | 25mm | X | X | X | 5.1/2” | | X | X | 1” | X | X | X | 5.3/4” | | X | X | 1.1/8” | X | X | X | 6” | | X | X |
Supplied in 3-4 Mtr Random lengths or as Cut Billets Round Bar finish & Tolerances: | Up to ¾” dia: Bright Drawn H9 | From 7/8” to 4” dia: Peeled H10 | Above 4” dia: Rough Peeled K11/K12 (-0/+1 to 2mm) | (tolerances can vary, please ask for confirmation) |
Round Bar Tolerance Data Bar Tolerances / Dia | H8 | H9 | H10 | H11 | 1mm to 3mm | -0.014mm | -0.025mm | -0.040mm | -0.060mm | 3mm – 6mm | -0.018mm | -0.030mm | -0.048mm | -0.075mm | 6mm – 10mm | -0.022mm | -0.036mm | -0.058mm | -0.090mm | 10mm – 18mm | -0.027mm | -0.043mm | -0.070mm | -0.110mm | 18mm – 30mm | -0.033mm | -0.052mm | -0.084mm | -0.130mm | 30mm – 50mm | -0.039mm | -0.062mm | -0.100mm | -0.160mm | 50mm – 80mm | -0.046mm | -0.074mm | -0.120mm | -0.190mm | 80mm–120mm | -0.054mm | -0.087mm | -0.140mm | -0.220mm | 120mm–180mm | -0.063mm | -0.0100mm | -0.160mm | -0.250mm |
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