Alloy Steel with 1.2248 Cold Work Tool Carbon Steel Plate Metal Sheet Pipe Die Steel

• Type: Check Detailed Description
• Composition: Check Detailed Description
• Technique: Check Detailed Description
• Shape: Check Detailed Description
• Surface Treatment: Check Detailed Description
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Model NO.: 1.2248
• Application: Check Detailed Description
• Alloy or Not: Is Alloy
• Transport Package: Nuding Packing
• Specification: Check Detailed Description
• Trademark: Ningbo Ningshing
• Origin: China

Product Description

DIN 1.2248 Cold Working Tool Steel


Ningshing Special-Steel is the leading ditribution and stockist of DIN 1.2248 Cold Work Steel. Our large stock of DIN 1.2248 Cold Work Steel can meet your demand with immediate delivery. The stock involves different size range of hot rolled /forged rounds and flats, forged blocks. Delivery condiion in Annealed or Q+T.

DIN 1.2248 Cold Work Tool Steel is usually produce by EAF/VD/LF followed by electroslag refining (ESR) if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirement.

Dimensions
Round: dia.10-500 mm
Hot Rolled Flat: 6-200 x 300-1200 mm
Forged Block: 150-500 x 200-1600 mm

Delivery Condition
EAF+(ESR) or EAF+LF+VD+(ESR), Hot rolled or Forged, Annealed, Black surface or Machined surface

Equivalence

AlSl / SAE	DlN /W.Nr	JlS	GB
	1.2248

Chemical Composition (%)

Steel Grade	C	Si	Mn	P	S	Cr	V
1.2248	0.35-0.42	1.30-1.60	0.30-0.50	≤ 0.035	≤ 0.035	1.30-1 .60	0.07-0.12

Applications
1.2248 is used to produce the cutting tool, cold/heat distortion mould and measuring implements, and further to manufacture the piston, valve, valve seat of fuel pump of diesel engine.

Heat Treatment
Hot working temperature
1050 to 850 °C

Annealing
710 to 750 °C
Hardness after annealing Max. HBW215


Quenching temperature
880 to 930°C

Tempering
tempering temperature 180 to 350 °C
Hardness after tempering at temperature HRC|100°C : 55
Hardness after tempering at temperature HRC|200°C : 54
Hardness after tempering at temperature HRC|300°C : 52
Hardness after tempering at temperature HRC|400°C : 50


Q1: What is Ningbo Ningshing Precision Machinery Group Co., Ltd ?
A1: Ningbo Ningshing Precision Machinery Group Co., Ltd., formerly known as Ningbo Ningshing Special-Steel Group Co., Ltd., is the leading distributor of Special Steel, and also a professional mold base maker in China. Our business involves special steel trading, machining processing, mold base making, heat treatment, CNC machines manufacturing.


Q2: Are you a manufacturer or a trader? 
A2: For Special Steel, we are the one of the leading distributors and service center in China. 9 warehouses with over 50,000 tons of regular stock. Our workshop has various kinds of equipments for sawing, milling, grinding, drilling etc.
For mold base, we are a professional manufacturer, with 24 sets of CNC machines, 3 axis and 5 axis, CMM for inspection. We produce medium-large sized mold base for plastic injection mold and die casting die.


Q3: How do you control the quality of steels?
A3: Firstly, we have very close and deep relationship with Chinese Prime Mills, choose supplier carefully, and regard them as the long term business partner. Based on the long term cooperation, we concentrate on special steel business and expand the market step by step. Secondly, we have own technical center which is formed by the experienced engineers and technicians whom ever worked for prime mills. We control the quality in production process, in-out warehouse.


Q4:: Which kind of processing can you do?
A4: We do machining processing like cutting, milling, grinding, turning, peeling, drilling, CNC machining. Meanwhile, we do vacuum heat treatment for die and mold.