Address : Camden Borough
Call Us : (+66) 2 725 3999
(+66) 2 764 3999
Mail Us : sales@menam.co.th
info@menam.co.th

Technical Data

Mechanical Specification
Diameter / Diamensional Tolerance 
Round Bar
Diameter (mm.) Tolerance
General Standard Jis Standard
Class7 Class8 Class9
over 0.8 – 3.0 +0 +0 +0 +0
+0.02 -0.01 -0.014 -0.025
over 3.0 – 6.0 +0 +0 +0 +0
+0.03 -0.12 -0.018 -0.03
over 6.0 – 10.0 +0 +0 +0 +0
+0.04 -0.15 -0.022 -0.036
over 10.0 – 25.4 +0 +0 +0 +0
+0.04 -0.021 -0.027 -0.043
Length Tolerance
Length Tolerance
1 + / – 6.6
2 + / – 13.3
3 + / – 20.0
4 + / – 26.6
5 + / – 33.3
6 + / – 40.0
Tensile Strength / HV
Grade Tensile Strength (kgf/mm2) Vickers Hardness :HV
303 , 304 , 316 ,    series 3 60 – 100 170 – 300
420 , 410 , series    4 50 – 100 150 – 300
Straightness
Length,L Deflection,D
Every 1000 mm. for length 0.10 mm.
Every 300 mm. for length 0.05 mm.