A2 Flat Ground - Tool Steel A2 Flat Ground, is an air hardening chromium alloy die steel that replaces O1 Flat Ground when safer hardening, less distortion and increased wear resistance are required. Characteristics of A2 Flat Ground include - good machinability, high compressive strength, very good non-deforming properties, deep hardening, and high dimensional stability after hardening and tempering. A2 Flat Ground is ground to a surface finish of up to 35Ra on six sides and is free from defects and decarburization. Sold in annealed state to be heat-treated. Specifications: ASTM A681, QQ-T-570, AISI A2 AKA: A2 flat bar, A2 premachined Applications: shear blades, dies, punch plates, etc. Tolerances: Thickness = +/- .001", Width = +.005/-0 How is it Measured? Thickness (A) X Width (B) X Length Available Stock Sizes: 18 inch lengths Hardness* 27 HRC Corrosion Resistance Low Machinability Medium Depth of Hardening Deep Weldability Difficult Grindability Medium Wear Resistance High Distortion in Heat Treating Lowest Overall Toughness Medium Decarburization Resistance Medium Strength Medium Resistance to Heat Softening Medium * Can be hardened up to Rockwell C65 Data provided for references only and is not warranted. California Residents Warning! Filter By: Thickness (A) Width (B) Length (C) Select Size & Quantity to Add to Cart 1/16 x 1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/16 x 3/4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/16 x 1 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/16 x 1-1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/16 x 2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/16 x 2-1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/16 x 3 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/16 x 4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/8 x 1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/8 x 3/4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/8 x 1 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/8 x 1-1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/8 x 2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/8 x 2-1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/8 x 3 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/8 x 4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/4 x 1/4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/4 x 1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/4 x 3/4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/4 x 1 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/4 X 1-1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/4 x 2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/4 x 2-1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/4 x 3 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/4 x 4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/8 x 3/8 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/8 x 1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/8 x 3/4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/8 x 1 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/8 x 1-1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/8 x 2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/8 x 2-1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/8 x 3 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/8 x 3-1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/8 x 4 x 18 A-2 Flat Ground Select Size Select a Size Add To Cart 1/2 x 1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/2 x 3/4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/2 x 1 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/2 x 1-1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/2 x 2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/2 x 3 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1/2 x 4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 5/8 x 5/8 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 5/8 x 3/4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 5/8 x 1 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 5/8 x 1-1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 5/8 x 2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 5/8 x 3 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 5/8 x 4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/4 x 3/4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/4 x 1 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/4 x 1-1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/4 x 2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 3/4 x 3 x 18' A-2 Flat Ground Select Size Select a Size Add To Cart 3/4 x 4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1 x 1 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1 x 1-1/2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1 x 2 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1 x 3 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart 1 x 4 x 18" A-2 Flat Ground Select Size Select a Size Add To Cart Any Quantity, Any Size ... 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