ASTM A709 Grade HPS 70W Steel: Supply & Demand
Buyer RFQ demand against seller listing supply for ASTM A709 Grade HPS 70W, broken down by form. Signals are indicative and derived from listings and RFQs.
Last updated: 16 Oct 2026, 1:00 AM
Live Signal: This grade’s supply and demand by form, from listings and RFQs open right now. Use this to act today. For example, “Is there a buyer gap in this grade’s round bar this week?”
| Form |
Supply |
Demand |
Status |
Price Band (Rs./MT) |
| Plate |
1 |
1 |
Low Activity |
Insufficient data
|
ASTM A709 Grade HPS 70W's demand ranks in the top 25% of all 484 tracked grades platform-wide.
Disclaimer: All information on this page is indicative only and derived from posted listings and RFQs on M-EX. It does not constitute a market price quote or investment advice. M-EX and GTE make no representations as to accuracy or completeness. Actual activity depends on quantity, quality, payment terms and other commercial factors agreed between buyers and sellers.
ASTM A709 Grade HPS 70W is a Structural Steel (Corten / Weathering) grade: High performance weathering steel for bridge construction with 485 MPa (70 ksi) yield strength. Superior toughness, weldability and corrosion resistance compared to conventional weathering steels.
Typical applications: High-performance steel (HPS) with enhanced atmospheric corrosion resistance and toughness; primary bridge girders and structural members in bridge construction.
Chemical Composition (%)
| C |
Mn |
Si |
P |
S |
Cu |
Cr |
Ni |
Mo |
| <=0.11 |
1.10-1.35 |
0.30-0.50 |
<=0.020 |
<=0.006 |
0.25-0.40 |
0.45-0.70 |
0.70-1.00 |
0.02-0.08 |
Mechanical Properties
| Tensile Strength |
585 MPa min |
| Yield Strength |
485 MPa min |
| Elongation |
19% min |
| Hardness |
170-210 HB |