| BRITISH STANDARD | GRADES | U.S.A. | Hardness BHN | UTS (N/mm2) | PROPERTIES |
|---|---|---|---|---|---|
|
BS3100: 1991 |
BT1 |
ASTM A148 Grades 105-85 |
201-279 | 690 |
NI/CR/MO STEELS GOOD COMBINATION OF STRENGTH TOUGHNESS & FATIGUE RESISTANCE |
|
BT2 |
ASTM A148 Grades 120-95 |
248-327 | 850 | ||
|
BT3 |
ASTM A148 Grades 150-125 |
293-362 | 1000 | ||
|
B1,B2,B3,B4 |
ASTM A217 Grades WC1,WC6,WC9 |
- | 460-540 |
CR/MO STEELS FOR USE AT ELEVATED TEMPERATURES, SOME CORROSION AND CREEP RESISTANCE |
|
|
B5,B6 |
ASTM A217 Grade C5,C12 | - | 620 | ||
| BW2 | - | 201-255 | - |
CHROME STEELS- ABRASIVE RESISTANT FOR WEAR TILES, HAMMERS, STRIKER PLATES etc |
|
| BW3 | - | 293 min | - | ||
| BW4 |
- |
341 min | - |
Mechanical properties are minimum unless shown as a range.
Contact us for more information...All specifications and material data in this site is intended as a reference guide only and not intended to replace that shown in national or international standards to which full reference should always be made. Foreign equivalents are approximate and some modifications may be necessary to comply fully. Micron Alloy Castings assume no responsibility for errors in, misinterpretation of, the information in this web site or in its use.