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Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

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Pressure
Unit Name Symbol SI Equivalent 
· millimeter of water (4°C) 
mmH2O, mmCE (4 °C)  9.80638 Pa 
· millitorr 
mtorr  0.133322 Pa 
· newton per square meter 
N/m2  1 Pa 
· ounce force (av.) per square inch 
ozf/in2, osi  430.922 Pa 
· pascal 
Pa, N/m2  1 Pa 
· pound force per square foot 
lbf/ft2  47.8803 Pa 
· pound force per square inch 
psi, PSI, lbf/in2  6894.76 Pa 
· poundal per square foot 
pdl/ft2  1.48816 Pa 
· poundal per square inch 
pdl/in2  214.296 Pa 
· standard atmosphere 
atm  1.01325x105 Pa 
· ton force (long) per square foot 
tonf/ft2 (UK)  1.07252x105 Pa 
· ton force (long) per square inch 
tonf/in2 (UK)  1.54443x107 Pa 
· ton force (metric) per square centimeter 
tonf/cm2 (metric)  9.80665x107 Pa 
· ton force (metric) per square meter 
tonf/m2 (metric)  9806.65 Pa 
· ton force (short) per square foot 
tonf/ft2 (US)  9.57605x104 Pa 
· ton force (short) per square inch 
tonf/in2 (US)  1.37895x107 Pa 
· torr 
torr  133.322 Pa 
Volume flow rate per pressure drop
Unit Name Symbol SI Equivalent 
· barrel (US, petrol) per day-psi 
bbl/day-psi  2.66888x10-10 m3/Pa/s 
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List Units: A B C D E-F G H-I J-L M N O-P Q-R S T U-Z
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FREE Publications
Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

more publications