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Hot Work Tool Steel Bar H21

Hot Work Tool Steel Bar H21

Packaging Details : Bundled in 20 G′p Containers
Payment Terms : L/C, T/T
Place of Origin : China
Trade Terms : FOB, CFR, CIF
Production Capacity : 4000 Tons/Month
Brand Name : HUAYU
Standard : AISI
Min. order : 20 Tons
Main Markets : Global
HS Code : 7228400000
Category : Plastic Drying Machinery
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1. Name: AISI H21/ DIN1.2662/ 3Cr2W8V/ SKD5 Hot Work Tool Steel, Die Steel Round Bar
2. Technology: EAF+LF+VD+ESR)
3. Heat treatment (for reference):
--incomplete annealed & hardness: 800-820° C, 207-255HB
--isothermal annealed & hardness: 840-880° C, HB‰¤ 241
--general quenching: 1050-1100° C, hot oil
--general tempering & hardness: 560-580° C, tempering for two times, 49-52HRC
--high temperature quenching: 1140-1150° C, oil quenching
--high temperature tempering:
560-580° C, tempering for two or tree times, 48-52HRC
610-630° C, tempering for two times, 47-49HRC
650-655° C, tempering for two times, 42-44HRC
4. Material character: Excellent thermal fatigue to resist alternating hot and cold
5. Application:
Suitable for use in manufacturing convex & concave mould of high stress without shock load in high temperature, making big bend and draw stress mould, making cut tools in high temperature
6. Certificate: ISO 9001 certification, the MTC in EN10204/3.1 format & Ultra Tested Certification.
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