Hot Forging High Hardness, High Wear Resistance 7crsimnmov Flame Hardening Cold Work Die Steel

• Processing Object: Metal
• Molding Style: Forging
• Molding Technics: Pressure Casting
• Material: Steel
• Heat Treatment: Normalizing
• Surface Treatment: Polishing,Plating,Powder Coating, Hot Galvanizing,
• Model NO.: HMD
• Forging Tolerance: +/-0.1mm
• Standard: AISI
• Certification: ISO 9001:2000
• Service: OEM\ODM
• Process: Hot Forging,Cold Forging,Warm Forging
• Dimensions: Customized
• Common Specification: 40-200 x 200-610mm
• Smelting Method: Electric furnace + refining + vacuum degassing
• Transport Package: Nude Packing
• Specification: check detailed description
• Trademark: Ningbo Ningshing
• Origin: China

Product Description

Hot Forging High Hardness, High Wear Resistance 7crsimnmov Flame Hardening Cold Work Die Steel

Ningshing is committed to providing customers with quality steel solutions, and we would like to introduce our newly launched HMD Flame hardening steel to you.
 

HMD flame hardening steel quenching temperature range is very wide, 850 ~ 1000 ° C, quenching in the temperature range of about 150 ° C, can obtain satisfactory results, so adapt to manual operation quenching, you can use oxyacetylene spray gun or other heaters, air cooling quenching after heating, after quenching can be used directly. Therefore, it has high hardenability, high surface hardness after air cooling, good performance of the heart, and small quenching deformation.

Equivalence

AISI/SAE			JIS
7CrSiMnMoV			HMD

Chemical Composition (%)

Steel Grade		C		Si		Mn		P		S		Cr		Mo		V
HMD/7CrSiMnMoV		0.80		0.80		0.70		≤		≤		1.80		0.20		0.05
		0.90		1.20		1.10		0.030		0.020		2.20		0.30		0.10

Common Specification
40-200 x 200-610mm

Surface requirement
No coating, smooth surface, no trachoma, no crack, no repair, no welding, both ends of the sawing without rough edges

Delivery Condition
EF+LF+VD, forging, annealing <=235HB, Black/Milling

Smelting Method
Electric furnace + refining + vacuum degassing

Eutectic Carbide
According to GB/T14979-1994, ≤ grade 4

Inspection Requirements
According to SEP 1921-84 D/d grade can be handed over

Applications
1. For manufacture cold working molds, such as shear knife molds, stamping molds, cold stamping molds
2. For cutting, cold turning and cold extrusion in metal processing
3. For manufacture various tools, such as cutters, drills, screwdrivers
4. For manufacturing mold parts, mold base, mold stand


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