ASTM A387 grade 91 welded steel pipe heat treatment
ASTM A387 grade 91 steel pipe/tube chemical composition
Element |
Carbon |
Manganese |
Phosphorus,max |
Sulfur,max |
Silicon |
chromium |
Molybdenum |
|||||||
|
Grade 91 |
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 |
|
0.08-0.12 |
0.06-0.15 |
0.30-0.60 |
0.25-0.66 |
0.020 |
0.025 |
0.010 |
0.012 |
0.20-0.50 |
0.18-0.56 |
8.00-9.50 |
7.90-9.60 |
0.85-1.05 |
0.80-1.10 |
|
ASTM A387 grade 91 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 91 |
85-110 |
60[415] |
-- |
18 |
-- |
High quality A387 Grade 91– manufactured at some of the world's finest steel mills, this chrome–molybdenum alloy has excellent resistance to high working temperatures making it ideal for use in the oil, gas, chemical and power generation industry applications. We supply to fabricators who serve these industries on a global basis.
ASTM A387 grade 91 welded steel pipe application
Widely used in the mechanical treatment field, petrochemical industry, transport and construction field，
Ordinary structural purposes and mechanic structural purposes, for example in construction field, fulcrum bearing etc;
ASTM A387 grade 91 welded steel pipe surface treatment
Black painting
Varnish painting
3PE
Hot galvanized
or other coating according to your requirements
Bare tube
As a ASTM A387 grade 91 welded steel pipe manufacturer, we usually keep hundreds tons ASTM A387 grade 91 welded steel pipe in stock each month. Based on these stock source, our advantage has spread into steel process like : cutting ( any size and any shape ) drilling, welding, milling, welding. We can also provide the ASTM A387 grade 91 welded steel pipe in machining parts and steel structure.
