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 :

1.2581Main 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

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1.2581

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