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AISI Steel

We can produce AISI Steel stainless steel round rods, AISI Steel forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control AISI Steel chemical composition and AISI Steel mechanical properties.From casting, forging, steel to hot and cold rolling process, heat treatment, etc, we have the control of professional engineers. We have advanced precision machining equipment, according to the requirements of users machining. in order to achieve the most satisfied with the user requirements.

Production specification

Round bar steel: 1mm to 3500mm
Square-shape steel: 1mm to 4000mm
Plate steel:0.1mm to 4000mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-1800mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
We serve you with our honesty, integrity, and professionality.

AISI Steel

 

At Longhai Steel we can supply you with AISI steel grades and also AISI equivalent grades to British & European standards. Please contact us with your specific requirements and we shall endeavour to help.

AISI steel grades (American Iron & Steel Institute) are becoming increasingly popular around the world, primarily due to their use in the oil and gas industry. We hold a comprehensive range of stock in AISI material and AISI equivalent specifications. Of AISI steel grades available the majority are as carbon steels and steel/" target="_blank" class="keylink">alloy steels.  AISI carbon steels and steel/" target="_blank" class="keylink">alloy steels are usually given a four digit number, the first two digits indicate the alloying element in the AISI specification and the last two digits indicate the amount of carbon in the specification. AISI materials grades are shown in the table below, as to how the four digit number indicates the type it refers to.

 

Carbon Steel

10XX

Plain carbon steel , Mn 1.00% max

 

11XX

Resulphurised free cutting

 

12XX

Resulphurised - Rephosphorised free cutting

 

15XX

Plain carbon steel, Mn 1.00-1.65%

Manganese Steel

13XX

Mn 1.75%

Nickel Steel

23XX

Ni 3.50%

 

25XX

Ni. 5.00%

Nickel Chromium Steel

31XX

Ni 1.25%, Cr 0.65-0.80%

 

32XX

Ni 1.75%, Cr 1.07%

 

33XX

Ni 3.50%, Cr 1.50-1.57%

 

34XX

Ni 3.00%, Cr 0.77%

Molybdenum Steel

40XX

Mo 0.20-0.25%

 

44XX

Mo 0.40-0.52%

Chromium Molybdenum Steel

41XX

Cr 0.50-0.95%, Mo 0.12-0.30%

Nickel Chromium Molybdenum Steel

43XX

Ni 1.82%, Cr 0.50-0.80%, Mo 0.25%

 

47XX

Ni 1.82%, Cr 0.50-0.80%, Mo 0.25%

Nickel Molybdenum Steel

46XX

Ni 1.05%, Cr 0.45%, Mo 0.20-0.35%

 

48XX

Ni 0.85-1.82%, Mo 0.20-0.25%

Chromium Steel

50XX

Ni 3.50%, Mo 0.25%

 

51XX

Cr 0.27-0.65%

 

50XXX

Cr 0.80-1.05%

 

51XXX

Cr 0.50% C 1.00% min

 

52XXX

Cr 1.02%, C 1.00% minCr 1.45%, C 1.00%

Chromium Vanadium Steel

61XX

Cr 0.60-0.95%, V 0.10-0.15%

Tungsten Chromium Steel

72XX

W 1.75%, Cr 0.75%

Nickel Chromium Molybdenum Steel

81XX

Ni 0.30%, Cr 0.40%, Mo 0.12%

 

86XX

Ni 0.55%, Cr 0.50%, Mo 0.20%

 

87XX

Ni 0.55%, Cr 0.50%, Mo 0.25%

 

88XX

Ni 0.55% Cr 0.50% Mo 0.35%

Silicon Manganese Steel

92XX

Si 1.40-2.00%, Mn 0.65-0.85% Cr 0.65%

Nickel Chromium Molybdenum Steel

93XX

Ni 3.25%, Cr 1.20%, Mo 0.12%

 

94XX

Ni 0.45%, Cr 0.40%, Mo 0.12%

 

97XX

Ni 0.55%, Cr 0.20%, Mo 0.20%

 

98XX

Ni 1.00%, Cr 0.80%, Mo 0.25%

It is possible that AISI grades are quoted as SAE grades and it is often that AISI/SAE have the same steel identification number. The AISI range of steel specifications also includes stainless steels which are 3 digit numbers starting with either a 2, 3, 4, or 5. The most popular of these being the 300 series austenitic stainless grades, followed by the 400 series martensitic grades. Also stocked are AISI equivalent grades of steel/" target="_blank" class="keylink">tool steel and high speed steel. AISI steel/" target="_blank" class="keylink">tool steel and high speed steel specifications are usually designated with a letter followed by 1 or 2 digits. 

Mechanical properties

AISI Steel Mechanical properties,Our production completely according to the AISI Steel standards to meet the AISI Steel mechanical performance, can also according to the customer request, to meet the requirements of customers of AISI Steel mechanical properties.

Heat treatment

AISI Steel Heat treatment,Our production completely according to the AISI Steel standards to meet the AISI Steel Heat treatment, can also according to the customer request, to meet the requirements of customers of AISI Steel Heat treatment.

Machining

AISI Steel Machining,Our production completely according to the AISI Steel standards to meet the AISI Steel Machining, can also according to the customer request, to meet the requirements of customers of AISI Steel Machining.

Welding performance

AISI Steel Welding performance,Our production completely according to the AISI Steel standards to meet the AISI Steel Welding performance, can also according to the customer request, to meet the requirements of customers of AISI Steel Welding performance.

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