Table of numerical tolerance of HSS based on DIN and ASTM A500 standards
Outside dimensions
B,H |
H,B<100
|
±1%
(With minimum of 0.5) |
|
100≤H,B≤200 |
±0.8% |
|
H,B≥200 |
±0.6% |
Thickness
T |
T≤5 |
±10% |
|
T>5 |
±0.5 mm |
|
Concavity/Convexity
X1,X2
|
------- |
Max 0.8% with minimum 0.5 mm |
|
Squarness of side |
--- --- |
90±1Degree
|
Straightness
E |
------ |
15% of totall length 3mm over any 1 m lenght |
Mass per Unit lengths
M |
------ |
0.6% on individual ± delivered lengths |
Twist
V |
------ |
2 mm plus 0.5 mm/m Lenght |
Introduction :
Kalup pipe factory was established in 1982 in Kaveh industrial city in Saveh County with cooperation of the Japanese company of KUSAKABE. The aim of Kalup Company is producing steel water
product :
- Table for ERW pipes with 8 5.8 inch diameters
- Table for ERW pipes with 10 3.4 inch diameters
-Table for ERW pipes with 12 3.4 inch diameters
- Table for ERW pipes with 14 inch diameter
Projects :
Providing 900 km 12-inch tubes with 6.35 mm thickness based on API 5L-Gr B standard for the National Iranian Gas Company. - Providing 85 km 12-inch tubes with 6.35 mm thickness based on API 5L Grade X42 for Khuzestan Gas Company ...