Ningbo Ningshing Special-Steel Group Co., Ltd.
5 1

10mm / 20mm / 30mm Steel Round Bar H11 Tool Steel For Light Metal

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Ningbo Ningshing Special-Steel Group Co., Ltd.
[China]

Address
No.25 Hongxiang Rd A area Industry Hongtang Jiangbei beijing beijing
Phone
86-574-55711809
Contact name
Elle

Quick Information

  • Brand Name: NFCase
  • Place of Origin: China
  • Model Number : AIA-1

Description

ASTM A681 AISI H11 Steel Round Bar , Hot Work Tool Steel for Pressure Casting Moulds for Light Metal

Steel Grade:

H11

Application:

Die Steel, Mould Steel

Shape:

Round bar

Standard:

AISI, DIN, JIS, GB

Dimension:

Φ10 – 600 mm

Surface:

Black, Peeled, Turned, Grinded

Technique:

Hot rolled, Forged

Ultrasonic Test:

100% UT Passed

Description:

◆ Equivalence

AISI / SAE

DIN / W.Nr

JIS

GB

H11

1.2343

SKD6

4Cr5MoSiV

◆ Chemical Composition (%)

C

Si

Mn

P

S

Cr

Mo

V

0.33

0.43

0.80

1.20

0.20

0.50

0.030

0.030

4.75

5.50

1.10

1.60

0.30

0.60

◆ Dimensions

Hot Rolled

Forged

Diameter (mm)

8-130

60-600

Length (mm)

2000-5800

2000-5800

◆ Delivery Condition

EAF+(ESR) or EAF+LF+VD+(ESR), Hot rolled or Forged, Annealed, Hardness≤235HB,

Black surface or Machined surface (Peeled, Turned, Grinded), UT 100% Passed

◆ Characteristics

1. H11 is a 5% chromium hot work steel that is characterized by excellent impact toughness.     It contains less vanadium than H13. This provides for the higher toughness, with some         reduction in wear resistance and temper resistance.

2. Deep-hardening, air-hardening steel that exhibits minimal size change during heat               treatment.

3. Good resistance to thermal fatigue cracking (heat checking) and excellent resistance to           gross cracking and thermal shock when water cooled in service.

◆ Applications

Heavy duty hot work tools and dies, mainly for light alloy processing: mandrels, dies, and containers for metal tube and rod extrusion; hot extrusion equipment; tools and dies for the manufacture of hollow bodies, screws, rivets, nuts and bolts. Die casting equipment, forming dies, die inserts, hot shear blades, and plastic mould dies.

◆ Forging Technique

Heat

Temperature

Start Forging

Temperature

Finish Forging

Temperature

Cooling Method

1020-1150 °C 

1100-1120 °C 

900-850 °C 

Pit or Sand Cooling

◆ Heat Treatment

Annealing

750 to 800°C (1382 to 1472°F)

Slow controlled cooling in furnace at a rate of 10 to 20°C/hr (50 to 68°F/hr) down to

approx. 600°C (1112°F), further cooling in air.

Hardness after annealing: max. 235 HB.

Stress relieving

600 to 650°C (1112 to 1202°F)

Slow cooling in furnace; intended to relieve stresses set up by extensive machining,

or in complex shapes.

After through heating, hold in neutral atmosphere for 1 - 2 hours.

Hardening

1000 to 1040°C (1832 to 1904°F)

Oil, salt bath (500 - 550°C / 932-1022°F), air

Holding time after temperature equalization: 15 to 30 minutes.

Obtainable hardness:

52 - 56 HRC in oil or salt bath,

50 - 54 HRC in air.

Tempering

Slow heating to tempering temperature immediately after hardening / time in furnace

1 hour for each 20 mm of work piece thickness, but at least 2 hours / cooling in air. It is recommended to temper at least twice.

A third tempering cycle for the purpose of stress relieving may be advantageous.

1st tempering approx. 30°C (86°F) above maximum secondary hardness.

2nd tempering to desired working hardness.

The tempering chart shows average tempered hardness values.

3rd for stress relieving at a temperature 30 - 50°C (86 to 122°F) be low highest tempering temperature.

What we can offer?

We offer a wide range of steel products in a wide variety of dimensions and executions,

acc.to the common international specifications or customerized.

Machining and heat treatment are available.

Also, we advise you in choosing the right materials.

-- 50,000 tons Stock

-- 7 warehouses and branches

-- 47 sets of vertical band saws

-- 100 sets of modern facilities

-- A group of QC technicians

-- Professional technical consulting

Shape Available

◆ Solid round bar

◆ Flat bar

◆ Square bar

◆ Hexagon bar

◆ Block

◆ Plate

◆ Sheet

◆ Wire rod

◆ Strip

  AISI DIN JIS Stock Application
Hot Work Tool Steel H11 1.2343 SKD6

Die Casting Dies, Extrusion Dies, Hammer Dies,

Ram Dies,

Forging Dies

etc.

H13 1.2344 SKD61
H10 1.2365 SKD7  
—— 1.2367 ——  
L6 1.2714 / 1.2713 SKT4
H12 1.2606 SKD62  
H21 1.2581 SKD5
Cold Work Tool Steel D3 1.2080 SKD1 Cutting Tools, Punching Tools, Shear Bladers, Reamers, Thread Rolling Dies, Calipers, Sockets etc.
—— 1.2601 ~SKD11
D2 1.2379 ~SKD11
—— 1.2379 MOD DC53 (Daido)
D6 1.2436 ——  
O1 1.2510 SKS3
O2 1.2842 ——  
A2 1.2363 SKD12  
S1 1.2550 ——  
S7 1.2357 ——  
—— 1.2767 SKT6  
L2 1.2210 ——  

Plastic

Mould Steel

P20 1.2311 ——       Mold Base,           Core & Cavity,         Bumper Mold             etc.         
P20+Ni 1.2738 ——
P20+S 1.2312 ——
—— 1.2316 ——  
420 1.2083 SUS420J2
—— —— NAK80 (Daido)

Alloy Steel

4120 25CrMo4 / 1.7218 SCM420  

Shafts, Gears, Drillers, Chains, Bolts, Nuts, Pins, Suds, Keys, Bites, Crankshafts, Connecting Rods, Came, Couplings  etc.

4135 34CrMo4 / 1.7220 SCM435  
4130 34CrMo4 / 1.7220 SCM430
4140

   42CrMo4 / 42CrMoS4 /                1.7225             

SCM440
4142 41CrMo4 / 1.7223 SCM440  
4145H —— ——  
4330V —— ——  
4340 34CrNiMo6 / 1.6582 SNCM439  
5115 16MnCr5 / 16MnCrS5 / 1.7131    
5120 20MnCr5 / 20MnCrS5 / 1.7147 SMnC420H  
5140 41Cr4 / 41CrS4 / 1.7035 SCr440
8620 21NiCrMo2 / 1.6523 SNCM220  
8640 40NiCrMo2-2 / 1.6546 SNCM240  
—— 18CrNiMo7-6 / 17CrNiMo6 / 1.6587 ——  
9840 36CrNiMo4 / 1.6511 ——  
E71400 41CrAlMo7-10 / 1.8509 SACM1  
—— 34CrAlNi7 / 1.8550 ——  
Bearing Steel E52100 100Cr6 / 1.3505 SUJ2

Bearing, Shafts

etc.

—— 100CrMn6 / 1.3520 ——  
—— 100CrMo7-3 / 1.3536 ——  
Spring Steel 5155 55Cr3 / 1.7176 SUP9   Springs
6150 51CrV4 / 1.8159 SUP10  
9261 60CrSi7 / 1.7108 ——  
Carbon Steel 1010 CK10 / C10E / 1.1121 S10C   Shafts, Chains, Bolts, Nuts, Pins, Suds, Keys, Bites, Came, Couplings  etc.
1020 C22 / 1.0402 S20C
1040 CK40 / C40E / 1.1186 S40C
1045 CK45 / C45E / 1.1191 S45C
1050 CK50 / C50E / 1.1206 S50C
1055 CK55 / C55E / 1.1203 S55C  
1064 CK60 / C60E / 1.1221 S58C  
Structural Steel A283 S235JR / ST37-2 / 1.0037 ——  

Building Structures,

Oil & Gas Platforms, Palm Oil Euipments,

Dump Trucks,

Transmission Towers

  etc..
 

A570 S235JRG2 / RSt37-2 / 1.0038 ——  
A573 S235J2G3 / ST37-3 / 1.0116 ——  
1020 S275JR / ST44-2 / 1.0044 STK400  
A501 S275J2G3 / ST44-3 / 1.0144 STK400  
—— S355JR / 1.0045 SN400B;C  
High Speed Tool Steel M2


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