D6 steel is a high-carbon, high chromium tool steel alloyed with tungsten that is characterized by high compressive strength, high wear resistance, high surface hardness and good hardening stability. It is also called SKD2 steel and DIN 1.2436 steel.
D6 Steel Grade Equivalent Chart
| Country | USA | Country | JAPAN |
|---|---|---|---|
| Standard | ASTM A681-08 | EN ISO 4957 | JIS G4404 |
| Grades | D6 | 1.2436 | SKD2 |
Material: | |
Comparative standards:AISI D6,W.Nr. 1.2436, DIN X210CrW12,GB Cr12W, UNS T30406 | |
Tool steel AISI D6 (UNS T30406)Chemical composition: CSiMnPSCrWCu2.00-2.300.10-0.400.30-0.60max 0.030max 0.02011.00-13.000.60-0.80max 0.25 | |
Grade D6 Specification: | Tool steelAISI D6(UNS T30406)steel round bars size range : GradeMaterial D6Hot rolled size range:Dia16mm-45mmForged size range:Dia50mm-380mmMax dia380mmEFS size range:Dia16mm-260mmMin dia16mmESR size range:Dia16mm-380mmMould steelAISI D6(UNS T30406)steel plates size range: GradeMaterial D6Hot rolled size range:thinkness 15mm-40mmWidth: max 610mmMin thinkness15mmForged size range:thinkness 45mm-300mmMax thinkness300mmWidth: max 700mmEFS size range:thinkness 15mm-230mmMin width105Width:max650mmMax width700mmESR size range:thinkness:15mm-300mmWidth:max 700mmTool steelAISI D6(UNS T30406)steel square bars size range : GradeMaterial D6Hot rolled size range:max45mmForged size range:50mm-320mmMax square320mmEFS size range: max square 170mmESR size range: max square 320mm |
D6 steel Length: | 2000mm-5800mm Straightness: 2mm/M max; |
Tool steel D6 Process: | EAF + LF + VD +(ESR) + Forged + Heat Treatment (optional) Melting process: electric arc furnace, ladle furnace, vacuum degassing Re-smelting process: Electroslag re-smelting Casting process: ingot casting |
D6 steel Delivery condition: | Hot forged +Rough machined (black surface )+ Turned (optional)or milled in four face (flat bars or steel plates) |
Delivery Time: | 20 days |
D6 MOQ: | 3 tons |
AISI D6 Heat treatment: | Normalized / Annealed / Quenched / tempered Suggesting for heat treatment Annealing:800-850°C Hardness after annealing :max 250HB Hot forming : 1050-850°C Hardening : 950-980°C Quenching media :oil, salt bath (220-250°C or 500-550°C) Air or compressed air Hardness after quenching: 64-66 HRC Hardness after tempering : 100°C65HRC200°C63HRC300°C61 HRC400°C60HRC |
Tool steel D6 Forged ratio: | no less than 4:1 |
D6 steel Technical Data: | According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing |
D6 steel Test: | Test and inspection: 100% mixed test 100% crack test, defect depth max.1% of diameter(turned, peeled) or width 100% US test acc. to SEP standard. Ultrasonic test according to SEP 1921-84 G3 C/c |
Certificate of Quality of D6 tool steel | in addition the normal terms, production process, the mechanical property, forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality |
D6 tool steel Marking: | Grade, heat NO. length will be stamped one each bar with required color |
Payment: | 30% advance by T\T; Balance pay before the shipment against shipping documents or irrevocable LC at sight |
Grade D6 steel Application: | High performance cutting, punching, blanking tools up to 4mm sheet thickness, blanking dies for cutting transformer and dynamo sheets up to 2mm thickness, cold shear blades for paper, plastic ,cardboard and metal ,woodworking tools, thread rolling dies, deep drawing and cold extrusion tools, pressing tools for the ceramic ,pharmaceutical ,brick and refractory industries ,sand blasting nozzles, shaping, flanging and beading tools ,broaches, reamers, tools for the manufacture of wire, rods and tubes, measuring tools ,scraping and trimming tools , punches and dies for cold nut manufacture, knurling tools, mould for abrasive plastics . |









