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*Brown-Campbell 1-800-GRATING or 1-800-472-8464*
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Specification Information

Product	Material Specification	Federal Specification	Military Specification	Finish Specification
Light Duty Welded, Light Duty Press-locked, Light Duty Swaged	•ASTM A-569 (1/8", 3/16", 1/4") •ASTM A-36 (1/4") - by inquiry	ANSI/NAAMM MBG 531	MIL-G-18014 (Ships)	•Bare Steel •Galvanized per ASTM A-123 or A-385 •One shop coat mfg's standard paint. Note: This is to protect grating during transit only, not intended as a permanent finish.
Heavy Duty Welded Steel	•ASTM A-36 (1/4", 5/16". 3/8", 1/2") •Other - by inquiry	AASHTO (American Association of State Highway and Transportation Officials) Standard Specifications For Highway Bridges ANSI/NAAMM MBG 532		•Bare Steel •Galvanized per ASTM A-123 or A-385 •One shop coat mfg's standard paint. Note: This is to protect grating during transit only, not intended as a permanent finish.
Aluminum Press-locked, Aluminum Swaged, Aluminum Flush Top, Aluminum I-Bar	•Alloy 6063-T6 for cross rods and Alloy 6061-T6 for bearing bars per ASTM B-221	ANSI/NAAMM MBG 531	MIL-G-18014 (Ships)	•Mill Finish •Other - by inquiry
Stainless Steel Welded, Stainless Steel Press-locked, Stainless Steel Swaged	•Type 304 per ASTM A-167 (1/8" and 3/16") •Other - by inquiry	ANSI/NAAMM MBG 531	MIL-G-18014 (Ships)	•Welded: 'As-welded' •Press-locked: Mill Finish •Other - by inquiry