Government Contract | Arkansas
Carbide Tipped Snow Plow Blades and Moldboard Shoes

Bid Information

Bid Alert No: 00000412702

Bid Title: Carbide Tipped Snow Plow Blades and Moldboard Shoes

Agency Bid No. Title: M-16-021J

Received Date: 11/06/2015

Close Date: 11/19/2015

Purchase Type: Not Stated

Delivery Point: Little Rock, Arkansas

Delivery Date: Not Stated

Special Notices: Bid Bond Required: , Performance Bond Required: , Payment Bond Required:


Specifications include, but are not limited to: SCOPE.This specification covers steel snowplow blades with tungsten carbide inserts and moldboard ware shoes. 2.0 MATERIALS. 2.1 Steel. The blades shall be fabricated from hot rolled carbon steel meeting the requirements of ASTM A 576-90b or ASTM A 575-96 within the range of Grades 1020 through 1044. 2.2 Tungsten Carbide Inserts. The inserts shall be a high shock WC Grade of tungsten carbide. 2.2.1 The inserts shall meet Virgin Tungsten Carbide quality specifications and shall meet the following requirements; Cobalt Content: 11.0 % to 12.5% when tested in accordance with Section 4.0 of these specifications. Density: 14.1 g/m3 to 14.6 g/m3 when tested in accordance with ASTM B 311-93 Hardness: 87.0 to 89.0 when tested in accordance with ASTM B 294-92, Rockwell A Scale. Transverse Rupture Strength: 350,000 psi minimum. 2.2.2 The inserts shall be trapezoid design of the following dimensions: Height 0.635" 0.005" (long side) Width 0.360" 0.005" minimum. Length 1" Nominal Bottom Angle 25 degrees with a nose radius of 0.06" minimum. 2.3 Finished Blades. 2.3.1 Insert Placement. The groove for the carbide shall be milled in the center of the steel blade edge. The tungsten carbide inserts shall be positioned in the milled groove with approximately 0.010 inch space between the inserts the entire length of each cutting edge section. Each insert shall be one inch nominal length. It may be necessary for some of the inserts to be different than the one inch nominal to make up for the spacing between the inserts. The number of inserts shall be no less than one or more than three from the number required for one insert per inch of blade length. 2.3.2 Brazing. The inserts shall be brazed on all sides consistent with sound brazing practice with no evidence of voids or use of shims. Brazing shall be of such strength and quality as required to prevent movement or loss of the inserts during use. 2.3.3 Physical Requirements. All blades shall be straight and free from flaws and injurious defects, and shall have workmanlike finish. The finished blade sections shall be free of warpage and longitudinal deviation shall not exceed 1/8 inch in a four foot long blade section or 3/32 inch in a three foot long blade section. The edge that rests upon the pavement shall be straight and true. The longitudinal warp and the alignment of this edge shall be measured by extending a straight edge from one end of the blade to the other and measuring from the straight edge to the blade at the mid-point of length.

Bid Related Documents

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Product Code: 76006

Agency Information

Issuing Agency: State of Arkansas Department of Highway and Transportation

State: Arkansas

Agency Type: State and Local

Contact: AHTD Equipment and Procurement Division, 11302 W. Baseline Road, Little Rock, Arkansas, 72203



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