Preheating temperature recommendations

How to cut > How to preheat before thermal cutting

Preheating temperature recommendations

Hardox^® wear plate	Plate thickness	Minimum preheating temperature	Max temperature
Hardox^® HiAce	- 40 mm	No Preheating	225°C
Hardox^® HiAce	40,0-50 mm	100°C	225°C
Hardox^® HiAce	50,0-70 mm	150°C	225°C
Hardox^® HiAce	70,0-100 mm	175°C	225°C
Hardox^® HiTemp	5,0-51 mm	No Preheating	500°C
Hardox^® HiTuf	- 90 mm	No Preheating	300°C
Hardox^® HiTuf	90,0-150 mm	100°C	300°C
Hardox^® 400	- 45 mm	No Preheating	225°C
Hardox^® 400	45,0-60 mm	100°C	225°C
Hardox^® 400	60,0-80 mm	150°C	225°C
Hardox^® 400	81,1-150 mm	175°C	225°C
Hardox^® 450	- 40 mm	No Preheating	225°C
Hardox^® 450	40,0-50 mm	100°C	225°C
Hardox^® 450	50,0-70 mm	150°C	225°C
Hardox^® 450	70,0-150 mm	175°C	225°C
Hardox^® 500 Tuf	4,0-25 mm	No Preheating	225?°C
Hardox^® 500	- 25 mm	No Preheating	225°C
Hardox^® 500	25,0-50 mm	100°C	225°C
Hardox^® 500	50,0-60 mm	150°C	225°C
Hardox^® 500	60,0-150 mm	175°C	225°C
Hardox^® 550	- 20 mm	No Preheating	200°C
Hardox^® 550	20,0-51 mm	150°C	200°C
Hardox^® 550	51,1-150 mm	175°C	200°C
Hardox^® 600	- 12 mm	No Preheating	180°C
Hardox^® 600	12,0-65 mm	170°C	180°C
Hardox^® Extreme	8,0-19 mm	100°C	100°C

Hardox^® wear plate

Hardox^® HiAce

Plate thickness

- 40 mm

Minimum preheating temperature

No Preheating

Max temperature

225°C

Hardox^® wear plate

Hardox^® HiAce

Plate thickness

40,0-50 mm

Minimum preheating temperature

100°C

Max temperature

225°C

Hardox^® wear plate

Hardox^® HiAce

Plate thickness

50,0-70 mm

Minimum preheating temperature

150°C

Max temperature

225°C

Hardox^® wear plate

Hardox^® HiAce

Plate thickness

70,0-100 mm

Minimum preheating temperature

175°C

Max temperature

225°C

Hardox^® wear plate

Hardox^® HiTemp

Plate thickness

5,0-51 mm

Minimum preheating temperature

No Preheating

Max temperature

500°C

Hardox^® wear plate

Hardox^® HiTuf

Plate thickness

- 90 mm

Minimum preheating temperature

No Preheating

Max temperature

300°C

Hardox^® wear plate

Hardox^® HiTuf

Plate thickness

90,0-150 mm

Minimum preheating temperature

100°C

Max temperature

300°C

Hardox^® wear plate

Hardox^® 400

Plate thickness

- 45 mm

Minimum preheating temperature

No Preheating

Max temperature

225°C

Hardox^® wear plate

Hardox^® 400

Plate thickness

45,0-60 mm

Minimum preheating temperature

100°C

Max temperature

225°C

Hardox^® wear plate

Hardox^® 400

Plate thickness

60,0-80 mm

Minimum preheating temperature

150°C

Max temperature

225°C

Hardox^® wear plate

Hardox^® 400

Plate thickness

81,1-150 mm

Minimum preheating temperature

175°C

Max temperature

225°C

Hardox^® wear plate

Hardox^® 450

Plate thickness

- 40 mm

Minimum preheating temperature

No Preheating

Max temperature

225°C

Hardox^® wear plate

Hardox^® 450

Plate thickness

40,0-50 mm

Minimum preheating temperature

100°C

Max temperature

225°C

Hardox^® wear plate

Hardox^® 450

Plate thickness

50,0-70 mm

Minimum preheating temperature

150°C

Max temperature

225°C

Hardox^® wear plate

Hardox^® 450

Plate thickness

70,0-150 mm

Minimum preheating temperature

175°C

Max temperature

225°C

Hardox^® wear plate

Hardox^® 500 Tuf

Plate thickness

4,0-25 mm

Minimum preheating temperature

No Preheating

Max temperature

225?°C

Hardox^® wear plate

Hardox^® 500

Plate thickness

- 25 mm

Minimum preheating temperature

No Preheating

Max temperature

225°C

Hardox^® wear plate

Hardox^® 500

Plate thickness

25,0-50 mm

Minimum preheating temperature

100°C

Max temperature

225°C

Hardox^® wear plate

Hardox^® 500

Plate thickness

50,0-60 mm

Minimum preheating temperature

150°C

Max temperature

225°C

Hardox^® wear plate

Hardox^® 500

Plate thickness

60,0-150 mm

Minimum preheating temperature

175°C

Max temperature

225°C

Hardox^® wear plate

Hardox^® 550

Plate thickness

- 20 mm

Minimum preheating temperature

No Preheating

Max temperature

200°C

Hardox^® wear plate

Hardox^® 550

Plate thickness

20,0-51 mm

Minimum preheating temperature

150°C

Max temperature

200°C

Hardox^® wear plate

Hardox^® 550

Plate thickness

51,1-150 mm

Minimum preheating temperature

175°C

Max temperature

200°C

Hardox^® wear plate

Hardox^® 600

Plate thickness

- 12 mm

Minimum preheating temperature

No Preheating

Max temperature

180°C

Hardox^® wear plate

Hardox^® 600

Plate thickness

12,0-65 mm

Minimum preheating temperature

170°C

Max temperature

180°C

Hardox^® wear plate

Hardox^® Extreme

Plate thickness

8,0-19 mm

Minimum preheating temperature

100°C

Max temperature

100°C

Minimum and maximum preheating temperatures for Hardox^® wear plates

Grade	Plate thickness	Min. preheating temp. (C°)	Max. preheating temp. (C°)
Strenx^® 700	≤ 80 mm	No preheating	300
Strenx^® 900	> 80 mm	150	300
Strenx^® 960	≤ 30 mm	150	150
Strenx^® 1100	> 30 mm	150	150

Grade

Strenx^® 700

Plate thickness

≤ 80 mm

Min. preheating temp. (C°)

No preheating

Max. preheating temp. (C°)

300

Grade

Strenx^® 900

Plate thickness

> 80 mm

Min. preheating temp. (C°)

150

Max. preheating temp. (C°)

300

Grade

Strenx^® 960

Plate thickness

≤ 30 mm

Min. preheating temp. (C°)

150

Max. preheating temp. (C°)

150

Grade

Strenx^® 1100

Plate thickness

> 30 mm

Min. preheating temp. (C°)

150

Max. preheating temp. (C°)

150

Minimum and maximum preheating temperatures for Strenx^®.

	Preheating
Steel	Min. preheat/ interpass temperatur [°C]	Max. preheat/ interpass temperatur [°C]
Toolox^® 33	150	580
Toolox^® 44	225	580

Steel

Toolox^® 33

Preheating

Min. preheat/ interpass temperatur [°C]

150

Preheating

Max. preheat/ interpass temperatur [°C]

580

Steel

Toolox^® 44

Preheating

Min. preheat/ interpass temperatur [°C]

225

Preheating

Max. preheat/ interpass temperatur [°C]

580

Minimum and maximum preheating temperatures for Toolox^®

Armox^® 370T CL1 & CL2	Armox^® 440	Armox^® 500T	Armox^® 600T	Armox^® Advance	Recommended cutting method
Up to 15 mm	Up to 25 mm	Up to 15 mm	Up to 10 mm	-	Abrasive waterjet Plasma Laser Abrasive disc
15-25 mm	25-30 mm	15-25 mm	10-20 mm	-	Abrasive waterjet Laser Gas cutting at reduced speed Gas cutting plus preheating to 170 ± 30°C Abrasive disc
40-60 mm	25-30 mm	40-60 mm	-	-	Abrasive waterjet Gas cutting plus preheating to 170 ± 30°C plus keep warm for 4 hours at 160 ± 40°C Abrasive disc
Above 60 mm	-	Above 60 mm	-	Up to 12 mm	Abrasive waterjet Abrasive disc

Armox^® 370T CL1 & CL2

Up to 15 mm

Armox^® 440

Up to 25 mm

Armox^® 500T

Up to 15 mm

Armox^® 600T

Up to 10 mm

Armox^® Advance

Recommended cutting method

Abrasive waterjet
Plasma
Laser
Abrasive disc

Armox^® 370T CL1 & CL2

15-25 mm

Armox^® 440

25-30 mm

Armox^® 500T

15-25 mm

Armox^® 600T

10-20 mm

Armox^® Advance

Recommended cutting method

Abrasive waterjet
Laser
Gas cutting at reduced speed
Gas cutting plus preheating to 170 ± 30°C
Abrasive disc

Armox^® 370T CL1 & CL2

40-60 mm

Armox^® 440

25-30 mm

Armox^® 500T

40-60 mm

Armox^® 600T

Armox^® Advance

Recommended cutting method

Abrasive waterjet
Gas cutting plus preheating to 170 ± 30°C plus keep warm for 4 hours at 160 ± 40°C
Abrasive disc

Armox^® 370T CL1 & CL2

Above 60 mm

Armox^® 440

Armox^® 500T

Above 60 mm

Armox^® 600T

Armox^® Advance

Up to 12 mm

Recommended cutting method

Abrasive waterjet
Abrasive disc

Recommended cutting method for Armox^®

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How to cut How to preheat before thermal cutting

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