Cold work tool steel; shock resisting tool steel;very good thoughness in combination with high hardenability.
Enduse = cutting tools (dies,punchers) for plate,woodworking tools,blanking dies for cutting sheet metals,trimming and spliting dies,cold piercing punches,performing punches,shear blades,chipping knives,pneumatic chisels,coining tools,cold shear blades,ejectors.
Chemical Composition:
Grade | Standard | C | Si | Mn | P≤ | S≤ | Cr | V | W |
1.2550 | DIN | 0.55-0.65 | 0.70-1.00 | 0.15-0.45 | 0.030 | 0.030 | 0.90-1.20 | 0.10-0.20 | 1.70-2.20 |
S1 | AISI/SAE | 0.40-0.55 | 0.15-1.20 | 0.10-0.40 | 0.030 | 0.030 | 1.00-1.80 | 0.15-0.30 | 1.50-3.00 |
Heat Treatment: annealed
Hardness: max. 229 HB
Surface: surface flaws/cracks if any are removed by polishing. cleaning marks/scale pitting/peripheral decarburisation within the standard machining allowance is allowed.
US Test: SEP 1921 group 3, class D/d
Degree of Purity: DIN 50602, K4 max. 30
Microstructure: Carbide distribution as per Böhler classification Chart AL011DE10.91 edition 1984, aiming max. acceptable figures: diamter / thickness : up to 100 mm 3.3 ; 2.4 ; 1.4
100 - 250 mm 3.4 ; 1.5
251 - 400 mm 4.3 ; 3.5 ; 2.6
Test Certificate: EN 10204/3.1 with chem. analysis,hardness HB,heat treatment,US test,etc.
Round Bar: Ø12-400mm Flat Bar: 12-400x100-750mm
Contact: Tom Liu
Phone: 15972351113
Tel: 0714-6556161
Email: tom@zxspecialsteel.com
Add: No.143 The Second Xinjian Village, Huangshi City, Hubei Province,P.R.CHINA
