Press Brake Bending Tonnage Chart

Metal Fabricating Solutions

Problems?

Tonnage Chart
Pressure in Tons per Linear Foot required to make 90 Air Bend in Mild Steel
		Width of Female Die Opening
Guage	Inches	1/4	5/16	3/8	1/2	5/8	3/4	7/8	1	1-1/8	1-1/4	1-1/2	2	2-1/2	3	3-1/2	4	5	6	7	8	10	12
20	.036	2.9	2.2	1.7	1.2	1.0
18	.048		4.0	2.9	2.2	1.6	1.3
16	.060			5.6	3.6	2.7	2.2	1.7
14	.075				6.	4.5	3.4	3.	2.5	2.1
13	.090					6.8	5.4	4.3	3.7	3.3	2.9
12	.105					10.1	7.4	6.3	5.4	4.4	4.0	3.2
11	.120						10.5	8.8	7.2	6.2	5.4	4.3	3.2
10	.135							11.3	9.6	8.4	7.	5.6	4.1
9	.150								13.1	11.9	9.0	6.7	5.2	3.5
7	.188									16.4	14.0	11.2	7.6	5.8	4.5
1/4	.250										28.8	22.0	15.3	11.5	9.1	7.5	6.2
5/16	.312											38.0	26.0	19.2	16.0	12.5	10.6	7.66
3/8	.375												41.0	29.9	24.0	19.4	16.0	12.3	9.3
7/16	.437													45.2	35.0	28.0	24.0	17.0	14.6	11.1
1/2	.500														47.9	39.0	33.1	24.0	19.0	15.6	12.7
5/8	.625	With these thicknesses, it is customary to have DIE opening at least 10 x thickness														69.5	58.0	42.2	32.4	26.0	23.0	16.5
3/4	.750																92.0	69.0	52.2	42.2	36.0	27.0	21.0
7/8	.875																	104.0	80.0	63.0	52.5	39.4	31.2
1	1.00																		112.2	90.0	76.0	56.2	44.0
Air Form Radius		1/32	3/64	1/16	5/64	3/32	1/8	9/64	5/32	11/64	3/16	15/64	5/16	25/64	15/32	35/64	5/8	25/32	15/16	1-3/32	1-1/4	1-9/16	1-7/8
Min. Flg Ins. Dim.		3/16	7/32	1/4	5/16	7/16	1/2	9/16	5/8	11/16	3/4	15/16	1-3/16	1-7/16	1-3/4	2	2-1/4	2-3/4	3-3/8	4	4-1/2	5-1/2	6-1/2

Current Comments: 0

page 15 of 25

Share this information with someone

Products by Category

Tell us Why

Bestsellers

Who's Viewing What

Guests

Guest 1

Guest 4

Bots

Account and Transaction Pages Protected by:

Powered by osCommerce

Serving Customers with Quality Metal Fabricating Equipment for over fifteen years
A.J. Machinery Co., Inc. - 20000 176^th Street - Big Lake, Minnesota 55309
Phone: 1-763-262-8070 Fax: 1-763-262-8071

Copyright © 2003 - 2008 AJ Machinery Co., Inc.

small business web services

Site Tip => As a registered online customer you can write reviews for the products. You can also participate in our moderated Forum