O1 1.2510 SKS3 Special Alloy Cold Work Tool Steel Flat Bar

• Standard: DIN, JIS, AISI, ASTM, GB, BS
• Technics: Hot Rolled
• Application: Die Steel Bar
• Surface: Black
• Alloy: Alloy
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Free Cutting Steel, Mold Steel
• Model NO.: 1.2510/O1
• Quality Assurance: 100% UT passed
• Delivery condition: hot rolled black surface
• Delivery TIme: 7days
• condition: stock
• Transport Package: Standard/Customized
• Specification: standard/customized
• Trademark: customized
• Origin: China
• HS Code: 7225401000
• Production Capacity: 1000t/Month

Product Description

O1 1.2510 SKS3 Special Alloy Cold Work Tool Steel Flat Bar

1. Features

   1) Little distortion after heat treatment

   2) Hardness up to HRC63  

   3) Good toughness, good crack-resistance
 

2. Similar Standards

Chinese	American	German	Japanese
GB	AISI	DIN	JIS
9CrWMn	O1	1.2510	SKS3

3. Chemical Composition

Grades	C	Si	Mn	P	S	V	W	Cr
1.251	0.90-1.05	0.15-0.35	1.0-1.2	≤0.035	≤0.035	0.05-0.15	0.5-0.7	0.5-0.7
9CrWMn	0.85-0.95	≤0.4	0.9-1.2	≤0.035	≤0.035	/	0.5-0.8	0.5-0.8
O1	0.85-0.95	0.2-0.4	1.0-1.3	≤0.035	≤0.035	0.2	0.4-0.6	0.4-0.6

4. Heat Treatment

Quenching			Tempering
Heating Temperature/ºC	Cooling	Hardness/HRC	Heating Temperature/ºC	Cooling	Hardness/HRC
820-840	Oil	64-66	160-180	Air	≥62

5. Applications

1. Used for make cold die with small cross section and complicated shape and high precision
2. Used to make sheet stamping touch, jewelry embossing mold
3. Widely used in cutting tools, such as broaches, filament taps, long reamer, special milling cutters
4. For the overall hardened plastic mold
5. For thermosetting plastic forming, it requires high wear resistance and high strength mold

6. Stock Size

flat bar	Thickness	10-70mm
	Width	155-610mm
	Length	3000-6000mm
steel round bar	Diameter	14-100mm