1.2581
Product Overviews
Specification :
| Size | round | Dia 15mm~500mm |
| flat | Thickness 10mm-400mm | |
| Width 60mm-810mm | ||
| Technique | Cold Drawn/Cold Pilfered/Cold Rolled/Hot Rolled/forge- | |
| Process | EAF+LF+VD+ESR+Forged/Hot rolled + Heat Treatment (Annealed, Normalized, Q+T) | |
| Heat treatment | Normalized ; Annealed ; Quenched ; Tempered | |
| Surface Condition | Black surface ; Grinded ; Machined/Turned | |
| Inspection | 100% Ultrasonic according to the test standards:SEP1921-84,CLASS C/c or D/d | |
| Payment Terms | T/T; L/C | |
| Trade Terms | FOB,CIF,CFR | |
| Packing | Standard seaworthy packing or as customer required | |
Standard Equivalent Grades:
| DIN | ASTM | JIS | EN ISO | GB/T | NFA | BS |
| 1.2581 | H21 | SKD5 | X30WCrV9-3 | 3Cr2W8V | Z30WCV9 | BH21 |
Chemical composition
| Grade | C | Si | Mn | Cr | W | V | P | S |
| 1.2581 | 0.25-0.35 | 0.15-0.30 | 0.20-0.40 | 2.50-2.80 | 8.0-9.0 | 0.30-0.40 | ≤0.035 | ≤0.035 |
| H21 | 0.30-0.40 | 0.15-0.30 | 0.20-0.40 | 3.00-3.75 | 8.75-10.0 | 0.30-0.50 | ≤0.035 | ≤0.035 |
Feature
good compressive strength high surface hardness after tempering
good dimensional stability in hardening good machinability
Mechanical Properties:
Hardness: annealing, ≤235HB; quenching, ≥ 36-54HRC
Production process :
Main Product list
|
STEEL TYPE |
Production list | ||||
| ASTM | DIN | BOHLER | JIS | GOST | |
| HOT WORK TOOL STEEL | H13 | 1.2344 | w302 | SKD61 | 4Х5МФ1С |
| H11 | 1.2343 | w300 | SKD6 | 4Х5МФС | |
| H10 | 1.2365 | w320 | / | 3X3M3Ф | |
| H21 | 1.2581 | / | SKD5 | 3X2B8Ф | |
| / | 1.2367 | / | / | / | |
| COLD WORK TOOL STEEL | D2 | 1.2379 | K110 | SKD11 | / |
| D3 | 1.2080 | K100 | SKD1 | Х12 | |
| / | 1.2601 | K105 | SKD11 | Х12МФ | |
| O1 | 1.2510 | K460 | SKS3 | 9ХВГ | |
| O2 | 1.2842 | K720 | / | / | |
| A2 | 1.2363 | K305 | SKD12 | / | |
| A8 | / | / | / | ||
| D6 | 1.2436 | K107 | / | / | |
| / | / | / | DC53 | / | |
| S7 | 1.2357 | / | / | / | |
| L2 | 1.2210 | / | / | / | |
| 1.2767 | K600 | SKT6 | |||
| PLASTIC MOLD STEEL | 420 | 1.2083 | / | SUS420J2 | |
| 1.2085 | / | ||||
| / | 1.2316 | / | / | ||
| BEARING STEEL | 52100 | 1.3505 | / | SUJ2 | ШХ15 |
Contact
We warmly welcome clients from all over the world to cooperate with us and develop a worldwide market together. Also, we hope we can have a chance to establish a long-term business relationship with you on the basis of mutual benefits
