The high quality Romania STAS/SR B material is one of the more steel grades we supply, Structural steel. B is our main production grade, which has been approved by customers in many countries since its initial production, including our B round bars, flat bar, forgings, fasteners, tubes, wires, strips, sheets & Plates, as well as a variety of profiles, professional high precision auto-lathe processing manufacturer of clinching fasteners, axes, standoffs, screws, studs, nuts, bolt, OEM parts and special shaped turning partsthe state of delivery includes quenched and tempered, annealed, machined semi-finished products, we also have strict management of the packaging, to avoid material damage from transportation. We are the best supplier of B materials, and we are willing to develop together with customers from all over the world.
Also includes B steel material norm, chemical composition, mechanical properties, datasheet, B equivalent, heat treatment and temperature process of B, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in B this steel grade have a more comprehensive understanding, Download the full B PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| 0.21 | Min 0.31 | Min 0.80 | 0.050 | 0.050 | 0.30 | Max 0.30 |
| Cu(%) | ||||||
| 0.30 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 442 (≥) | 447 (≥) | 41 | 41 | 31 | Solution & Aging, Ann, Ausaging, Q+T | 321 |
| Materials | Dimension | Quantity | State |
|---|---|---|---|
| SA-437 Grade B4B/SUS 616 /422 Forged Bar | Dia.160xL | 2120 Kgs | Forged+QT |
1.4980 Round Bar
Cr8 flat bar
S66286 round bar
X19CrMoVNbN11-1 / 1.4913 Disc Forging
G-X2CrNiMnMoNNb21-16-5-3 non-magnetic steel
Steel of Turbine blade B50A947 A4
1.4882 / X50CrMnNiNbN-21-9 steel strip
UMCo-50
1.2779 Intermediate Liner / Hollow Bar
410Cb Forging
SA-437 Grade B4B
616 SA-437 B4B Round Bar
Stainless Steel 422/ Alloy 422 / AMS 5655 / UNS S42200 / 616 / B4B
410CB Stainless Steel Forged Block Flat bar Forging
1.4980 Round Bar
S66286 round bar
X19CrMoVNbN11-1 / 1.4913 Disc Forging
G-X2CrNiMnMoNNb21-16-5-3 non-magnetic steel
Steel of Turbine blade B50A947 A4
UMCo-50