1.3255 / T4 High Speed Tool Steel

• Type: Round
• Standard: ASTM, DIN
• Composition: Ferrous Steel Scrap
• Technique: Forged
• Shape: Round, Flat
• Surface Treatment: Black, Grinded, Rough Turned, Peeled, Polished
• Model NO.: 1.3255 / T4
• Special Use: Mold Steel
• Application: Die Steel Bar
• Size Range: 20-500 mm
• Delivery Condition: Annealed , Quenched + Tempered
• Surface Condition: Black, Grinded, Peeled, Rough Turned, Polished
• Steel-Making Condition: Eaf, ESR.
• Transport Package: Seaworthy Packing
• Specification: 1.3255 / T4
• Trademark: FUSHUN
• Origin: Huangshi
• HS Code: 7228600000
• Production Capacity: 500tons Per Month

Product Description

Shape: round, flat, square
Size Range:

	Diameter(mm)	Thickness (mm)	Width (mm)	Length(mm)
Round	50-420	-	-	2000-5800
Square	50-420	-	-	2000-5800
flat	-	20-50	80-600	2000-5800

 
Steel-making Condition:

1. EAF: Electric Furnace+LF+VD(Optional)

2. ESR:  Electric Furnace+LF+VD+Eleroslag Remelted(Optional)

 
 Delivery Condition: 
Annealed , Quenched + Tempered

Surface Condition:
Black, Grinded, Peeled, Rough turned, Polished

Features:
1. 1.3255 tool steel is high charcoal and chromium tool steel, have high penetration, small distortion, 
2. high rigidity, good endurance.
3. high toughness, and easy grinding.
 
Chemical Composition(%):

Steel Grade	C	Mn	Si	P	S	Cr	Mo	W	V	Co
1.3255	0.75-0.83	0.4 max	0.45 max	0.03 max	0.03 max	3.8-4.5	0.5-0.8	17.5-18.5	1.4-1.7	4.5-5.5

 
 Heat Treatment:

1.Quench: 950-980`C cold oil(need re-preheat~500`C-850`C)HRC≥60

2.Eliminate stress, stabilize framework tempering, (180-200`C)≥2 hours HRC60-62  

3.If it is necessary, it could be changed into 320-350`C≥2 hours backfire HRC≥60-62

4.Annealing: 780-800`C slow cooling

Hardness: MAX 229HB

 
Applications: 
1.Cold pressing mold extrusion with low pressing and burden, imprint mold, cold cutting scissor
2.For making all kinds of complex high precision cutting tool, such as forming milling cutter, precision broach, etc, 
3. can be used for precision of all kinds of high hardness, high toughness, wear-resistant metal cold punching die.