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AISI Steel

AISI Steel standard Download, We provide the main countries around the ISO standard download, including: AISI(US),UNS(US),SAE(US),ASTM(US),AMS(US),ASME(US),MIL(US),FED(US),DIN(DEU),JIS(JPN),AFNOR(FR),B.S.(UK),SS(SWE),UNI(ITA).

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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.

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AISI Steel

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