ASTM A387 grade 21 welded steel pipe application
ASTM A387 grade 21 material chemical composition
Element |
Carbon |
Manganese |
Phosphorus,max |
Sulfur,max |
Silicon |
chromium |
Molybdenum |
|||||||
|
Grade 21 |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
|
0.05-0.15 |
0.04-0.15 |
0.30-0.60 |
0.25-0.66 |
0.035 |
0.035 |
0.035 |
0.035 |
0.50max |
0.50max |
2.75-3.25 |
2.63-3.37 |
0.90-1.10 |
0.85-1.15 |
|
ASTM A387 grade 21 welded steel pipe/tube mechanical properties
|
|
Tensile strength,ksi[mpa] |
Yield strength,min,ksi[mpa] |
Elongation in 8 in[200mm],min,% |
Elongation in 2 in[50mm],min,% |
Reduction of area,min,% |
|
Grade 21 |
75-100 |
45[310] |
|
18 |
45 |
ASTM A387 grade 21 welded steel pipe production description
Heat Treatment: Normalizing+ temper;
Continuous Stenciling If You Require;
Antirust, Lubricating Treatment;
Adding Plastics in both sides;
Bale Into Hexagon, Max 2000 Kg/Bundle, Strengthening With Reinforcing Rod;
Smooth Surface, Mechanical Properties equilibrium, Tightness Tolerance
A387 GRADE 21 PLATES EX-STOCK
Thickness: 8 – 40 mm
Width: Up to 3 metres wide
Length: Up to 12 metres long
Certification: EN 10204 3.1
Katalor Enterprises has established a full set of strict quality control system,advanced manufacturing technics and equipments. As a ASTM A387 grade 21 welded steel pipe stockist and supplier, if you have any demand of ASTM A387 grade 21 welded steel pipe price, please do not hesitate to contact us .
