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High Strength steel

High Strength steel
High Strength steel
Product Code : 04
Brand Name : TGK SPECIAL STEEL PVT. LTD
Product Description

High Speed Steel -M2.(Din.1.3343)

Steel properties : For all metal-cutting tools for roughing or finishing, such as twist drills, all kinds of milling cutters, screw taps, screw dies, broaches, reamers, countersinks, thread chasers, segments for circular saws, shaping tools and woodworking tools. Also highly suitable for cold-forming tools, such as cold extrusion rams and dies, as well as cutting and precision cutting tools, plastic moulds with elevated wear resistance and screws.

Applications :
Standard high-speed steel grade. High toughness and good cutting power owing to its well-balanced alloy composition; thus suitable for a wide variety to applications.

It is typical steel grade of W-Mo current hss, with high toughness, good thermal plasticity, high hardness, as well as red gardness and hot hardness.

TGM2 is suitable for produce in high quality cutting tools, such as hob, knife, and milling cutter. TGM2A is suitable for produce in common cutting tools with high toughness, also suitable for cold-forming tools. M2 is suitable for produce common tools.


Similar steel grade

BRAZIL

AUSTRIA

GERMANY

SLOVANIA

JAPAN

CHEZ. REP

VILLARES

BOHLER

DEW

RAVNE

HITACHI

NIPPON

SANYO

POLDI

VW/M2
S600
1.3343
BRM2
YXM1
H51
QH51
MAX SP. MO5S

Chemical Composition: (%) 

Indian
Chemical Analysis Typical Value % (Min - Max)
Delivery Condition
IS
C
S
P
Si
Mn
Ni
Cr
Mo
V
W
other
Heat
Treatment
Hardness
XT8W6M05Cr4V2
0.86-
0.94
<0.03
<0.03
0.20-
0.45
0.20-
0.40
***
3.80-
4.50
4.70-
5.20
1.70-
2.10
5.90-
6.70
***
Annealed
<255


Production process:

EAFLFVDESRBLOOM IN FOLLOWING MACHINE :
QUICK FORGING (12.5MN), HAMMER, PRECISION FORGING
  Precision forging : 81-255mm
Hot Rolled & Peeled : 14.5-80.0mm
  Hot Rolled : 5.0-16.0mm (Coil) --->Cold Ground/Drawn: 2.2-14.4MM


UNDER ANNEALED CONDITION : REDUCTION RATIO : DELIVERY STATUS :
Hardness : HB205-255 As 1:4 or 1:5 As Cold drawn / Hot rolled / forged, in annealed condition.


Size :
Rounds

Cold Drawn/Ground Bar
Hot Rolled Annealed & Peeled Bar
Forged + Annealed + Turned Bar
Coil
2.2 - 14.4mm
14.5 - 80.0mm
81.0 - 255.0mm
5.0 - 16.0mm

Size : Hot Rolled Flat Bars / Sand Blasted & Machined Straight

Thickness
Width
12mm - 80mm
105mm - 305mm
SIZE : SQUARES
7.2mm - 27mm
SIZE : SHEET
1.2mm - 8mm


Heat Treatment :

Annealing:
Annealing temperature:860-880℃, keep this temperature by 2-4 hours, then cooling to 600℃ in the speed of less than 30℃/h.
if after cold drawn process, suggest and stress relieving annealing process Under the temperature of 600-700℃, keep this temperature
by 2 houres.
Quenching & Tempering (saltbath)

Quenching:
Pre-heating in two steps:
Heating temperature under: 400-500℃ and 850-900℃
Austenitizing temperature: 1185-1225℃
Heating coefficient 10-15sec/mm, quenching under 580-620℃, then cooling to room temperature.

Tempering:
Tempering temperature under:540-560℃, tempering 3 times, each time 1 hour, then cooling to room temperature.


TGK SPECIAL STEEL PVT. LTD.

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