GB/T 699 40 Steel: Supply & Demand
Buyer RFQ demand against seller listing supply for GB/T 699 40, 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) |
| Round Bar |
2 |
0 |
Low Activity |
Insufficient data
|
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.
GB/T 699 40 is a Carbon Steel grade: 40: quality carbon structural steel for hot-rolled or forged bars. Specified in GB/T 699:2015.
Typical applications: Used for gears, shafts, axles, crankshafts, couplings, and machine spindles..
Equivalent / Similar Grades (2)
| Grade |
Standard |
Region |
|
2172
|
SS 14 21 72 |
Sweden |
|
C45
|
UNI 7845 |
Italy |
Chemical Composition (%)
| C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
| 0.37-0.44 |
0.17-0.37 |
0.50-0.80 |
<=0.035 |
<=0.035 |
<=0.25 |
<=0.30 |
<=0.25 |
Mechanical Properties
| Tensile Strength |
>=570 MPa |
| Yield Strength |
>=335 MPa |
| Elongation |
>=19% |
| Hardness |
<=217 HB (as delivered, not heat treated) |
| Condition |
Normalized 25 mm sample blank, bars up to 80 mm; hardness for delivery state |