Duplex Steel Tube Fittings

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For over two decades, Mirza Tube Fittings has been a cornerstone of Safat’s industrial landscape, quietly ensuring the integrity of critical systems. As a trusted local manufacturer and supplier, we pride ourselves on delivering precision Duplex Steel Tube Fittings, engineered to meet the demanding challenges of Kuwait’s unique environment. Our commitment is to provide not just a product, but a reliable solution that supports the safety and efficiency of your most vital operations.

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These fittings are crafted from Duplex stainless steel, a sophisticated alloy composed of chromium, molybdenum, and nitrogen. This unique composition results in a material with exceptional mechanical strength, far surpassing that of standard stainless steel. The real advantage lies in its superb resistance to pitting and cracking, especially in chloride-rich conditions, while maintaining excellent toughness. These properties ensure longevity and reliability under high-stress situations.

Duplex Steel Tube Fittings Specifications

Specification	ASTM A276, ASTM A182 ASME SA479, ASME SA182
Tube Size	1/16 OD to 2 OD, Od to 50mm OD
Type	Seamless/ Welded/Fabricated
Thread	BSPT, UNF, SAE, BSP, NPT, ISO, etc.
Material Grades	Duplex 2205 Duplex S31803 Duplex S32205
PTFE Standard	ASTM D1710 and D3294
Pressure Rating	1000/300/6000/3000/10000 PSI for Duplex Steel
Temperature	150-400°C
PACKING DETAIL	size of the wooden box – 382717CM size of carton – 211614CM/312116CM/364550CM

Duplex Steel Tube Fittings Sizes

Duplex SS Seamless Compression Fittings :

Size: 1/8 to 2

Pressure Rating: 3000 psi to 10000 psi

Threads: NPT, BSPT, BSPP

Duplex SS Welded Compression Fitting and Tube Adapters :

Size: 24 to 94 and Custom

Pressure Rating: 30000 psi to 10000 psi

Threads: NPT, BSPT, BSPP

Types of Duplex Steel Tube Fittings

Dimension of Duplex Steel Tube Fittings

Threads Dimension of BSPP and BSPT
SIZE	PITCH & SIZE	OD THREAD		OD THREAD		ID THREAD		ID Thread
DASH	BSPP & BSPT	MALE BSPT		MALE BSPP		FEMALE BSPT		FEMALE BSPP
	Inch to TPI	mm	inch	mm	inch	mm	inch	mm	inch
-4	1/4 to 19	12,8	0.5	13,0	0.51	11,2	0.44	11,9	0.47
-2	1/8 to 28	9,5	0.37	9,6	0.38	8,4	0.33	8,6	0.34
-6	3/8 to 19	16,3	0.64	16,5	0.65	14,7	0.59	15,2	0.6
-10	5/8 to 14	22,5	0.89	22,8	0.9	20,6	0.81	20,8	0.82
-8	1/2 to 14	20,4	0.8	20,8	0.82	18,3	0.72	19,1	0.75
-12	3/4 to 14	25,9	1.02	26,3	1.04	23,9	0.94	24,6	0.97
-20	1.1/4 to 11	41,1	1.62	41,8	1.64	38,6	1.52	39,4	1.55
-16	1 to 11	32,6	1.28	33,1	1.3	29,7	1.17	30,7	1.21
-24	1.1/2 to 11	47,0	1.85	47,7	1.88	44,5	1.75	45,5	1.79
-40	2.1/2 to 11	74,1	2.92	75,1	2.95	71,9	2.83	72,6	2.86
-32	2(11)	58,6	2.31	59,5	2.34	56,4	2.22	57,4	2.26
-48	3 to 11	86,6	3.41	87,9	3.46	84,6	3.33	85,4	3.36

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We offer These Products as per DIN, ISO, JIS or ANSI Standard.

Largest Manufacturer and Supplier of Duplex Steel Tube Fittings in Safat, Kuwait

At Mirza Tube Fittings, we are proud to be the largest supplier, manufacturer, and exporter of Duplex Steel Tube Fittings in Safat, Kuwait. Our cutting-edge solutions cater to all your piping needs. With state-of-the-art production facilities strategically located in the Kuwait, we maintain a vast inventory of over 16,000 tons of premium-quality materials, ensuring we have the stock readily available to meet your demands.

Duplex Steel Tube Fittings Uses

You’ll find Mirza’s Duplex Steel Tube fittings hard at work in some of Kuwait’s most demanding sectors. They are essential in the oil and gas industry for critical offshore platforms and refining processes, as well as in chemical and petrochemical plants handling aggressive substances. They are also the go-to choice for modern water treatment facilities, particularly in desalination units, where their corrosion resistance is vital for processing seawater and ensuring a clean water supply.