REFRACTORY FIXINGS ANCHORS

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REFRACTORY FIXINGS ANCHORS

Material

We can supply refractory anchors and libra fixing systems to exacting tolerances in a wide range of stainless steel and higher alloys. Standard fixings are available in stainless steel grade (304) and grade (310), & lnconel 601. Other grades of stainless steel, mild steels and alloys are available to suit requirements, including Stainless Steel grade (316).

Stainlees Steel At Elevated Temperatures

Standard Stainless Steels provide conosion resistance in a number of aggressive situations. They also provide very good oxidation and scaling resistance at elevated temperatures. In situations where standard steels reach their temperature limits, higher alloy and specially designed stainless steels provide a combination of increased strength and oxidation resistance,extending the useful working range up to higher temperatures around 1200°C.

Specificat Type 304 Type 310 Inconel™ Alloy
Nearest Werkstoff 1.4301 1.4845 -
Maximum service temp.
under certain conditions
800°C 1100°C 115 1230°C
Melting point 1440°C 1490°C 1300-1375°C


Material Specification

Refractory fixings are available In a range of stainless steels and higher alloys:

Grade1.4301 (304) (18/8)

The most widely used stainless steel grade containing typically 18% Chromium and 8% Nickel as the main alloying elements. This grade has excellent welding properties and is easily formed and fabricated.

Grade310

A heat resisting steel that combines excellent resistance to both corrosion and oxidation at elevated temperatures. It is resistent to moderate thermal shock and shows high strength at high temperatures.

lnconel Alloy 601

lnconel 601 has an outstanding resistance to corrosion and to high temperature oxidation. The material also has good resistance to aqueous corrosion and high mechanical strength.

Other Grades

Refractory fixings can be supplied inother grades on request, including Stainless Steel grade 1.4401 (316). Please contact AMI for more details.

Using Stainless Steel At High Temperatures

The resistance to oxidation of stainless steel depends largely on the chromium content. Two other alloying elements, nickel and silicon, can also be instrumental in enhancing the oxidation resistance of the steels. Nickel inthe alloy minimises oxide spalling. Silicon increases oxidation resistance by improving the compaction of the scale formed and thereby allows the steel to be used at higher operating temperatures. Conosion in air or steam occurs relatively slowly due to the formation of acompact adherent chromium oxide basedscale.

Specification Type 304 Type 310 Inconel Alloy 601 Type 309 Type 316 Type 321 330 Alloy 600 Alloy 800H Alloy
1.4301 1.4845

-

1.4833 1.4401 1.4878 -

-

-

c 0.040 0.050

0.500

0.060 0.040 0.050 0.060 0.050 0.060
s 0.20-1.00 0.20 -1.00

0.500

1.000 1.000 1.000 1.750 0.500 1000
Mn 0.50-2.00 0.50-.2.00

1.000

2.000 2.000 2.000 2.000 1.000 1.500
P (Max) 0.045 0.045

-

0.450 0.045 0.045 0.400 0.015 -
S (Mu) 0.030 0.030

0.015

0.030 0.030 0.030 0.300 0.015 -
cr 18.30 25.00 21.00-24.00 22.50 16.80 17.30 19.000 14.00- 17.00 19.00-23.00
Al -

-

1.00-1.70 - - -

.

0.15·0.80
Ni 8.70 20.00 58.00- 63.00 12..50 10.70 9.20 35.000 72.000 30.00-35.00
Others

-

-

CU 0.5 Bal Fe

-

-

Ti less than
/equal to 5 x C
- CU 0.5 CU 0.75 max S=0.015 max Al+Tl= 0x85-1.20
Mo -

-

-

-

2.20

-

-

-

T1 -

0.500

- - -

.

0.10-0.60

Export Destinations For Steel Refractory Fixings Anchors, Steel Y Shape Anchors, Zig Zag Anchors, Spiral Y Anchors, Crook Anchors

Cameroon, Russia, Ethiopa, Argentina, Azerbaijan, Canada, Iraq, Kazakhstan, Tunisia, Africa, Peru, Uganda, Sri Lanka, Colombia, Houston, Mexico, Nigeria, New Zealand, Australia, Malaysia, Turkey, Venezuela, Germany, Democratic Republic of the Congo, Bahrain, Iran, Dubai, Vietnam, London, Chine, Ghana, Israel, Thailand (Bangkok), Sudan, United States, UK, Morocco, Trinidad and Tobago, Italy, Indonesia, UAE, Brazil, Angola, Saudi Arabia, Algeria, Jordan, Kuwait, Egypt, South Africa, Mozambique.

Nairobi, Alexandria, Singapore, Giza, Kampala, Benin, Brazzaville, Algiers, Dakar, Douala, Kolwezi, Kaduna, Rabat, Port Elizabeth, Lubumbashi, Durban, Bulawayo, Cairo, Harare, Bamako, Hong Kong, Lusaka, Maiduguri, Kinshasa, Maputo, Conakry, Ibadan, Addis Ababa, Ouagadougou, Mbuji-Mayi, Soweto, Khartoum, Antananarivo, Kano, Fez, Abidjan, Pretoria, Johannesburg, Casablanca, Freetown, New York, Yaoundé, Mogadishu, Accra, Dar es Salaam, Port Harcourt, Lagos, Omdurman, Data from the UN, Tripoli, Subra al-Haymah, Cape Town, Luanda, Colombo, Zaria, Abu Dhabi.

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