S1 Shock-resistant tool steel
Standards: ASTM A681
Steel mill: BAOGANG, DONGBEI SPECIAL STEEL
Shape: Squares, Flats, Blocks, Bars
Size: Round bar 3.3-300mm;
Delivery condition: Annealed,Hardening,Tempering
AISI S1(UNS T41901) is medium-carbon steel which combines moderate hardness with good impact toughness. It is deep-hardening, oil-hardening steel designed for shock resistant and impact loading tool applications.
AISI S1 Equivalent Material
| ASTM/AISI/SAE | UNS | JIS | DIN | BS | NF | GB |
| S1 | T41901 | SKS41 | 35WCrV7(1.2541)
45WCrV7(1.2542) |
BS1 | 2341
55WC20 |
4CrW2Si |
S1 Physical and Mechanical Property
| Density | Hardness, Rockwell C | Tensile Strength | Yield Strength | Shear Modulus |
| 7.83 g/cc | 54 | 2080 MPa | 1800 MPa | 80.0 GPa |
AISI S1 Chemical Composition
| C | Cr | Mn | Si | P | S | W | V | Mo |
| 0.40 – 0.55 | 1.00 – 1.80 | 0.10 – 0.40 | 0.15 – 1.20 | ≤0.03 | ≤0.03 | 1.50 – 3.00 | 0.15 – 0.30 | ≤0.50 |
Wiho metals is a fully stocked and leading ASTM S1 manufacturer, supplier, exporters, distributors in bars as well as other forms such as flat rod and squares. The tool steel products provide by us shall be fabricated from prime quality raw materials and is fully certifiable to industrial specifications like ASTM, SAE and ASME or other relevant standards. Wiho Steel can supply and stock a large inventory of ASTM 681 S1(SKH9/ BM2 /S6-5-2/W6Mo5Cr4V2) for tool applications. For more information on our extensive steel alloys inventory, please contact us or fill in the form below.
