Alloy Steel F1 Flanges

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Thabiso Steel stands out as a top-notch manufacturer and supplier located in Cape Town, South Africa, focusing on high-quality Alloy Steel F1 Flanges that are built for high-performance and demanding industrial uses. Known for its precision engineering and commitment to international quality standards, Thabiso Steel produces flanges that offer remarkable strength, durability, and resistance to both corrosion and high temperatures. These Alloy Steel F1 Flanges are perfect for sectors like power generation, petrochemical, oil and gas, and chemical processing, where dependable and leak-proof connections are a must. Thabiso Steel guarantees consistent quality, extended service life, and outstanding performance across all operational settings.

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Alloy Steel F1 RTJ Flanges

Alloy Steel F1 Forged Flanges

Alloy Steel F1 Plate Flanges

What is Alloy Steel F1 Flanges?

The Alloy Steel F1 Flanges are mainly made up of chromium and molybdenum, along with carefully controlled amounts of carbon, manganese, and silicon. This specific blend boosts their mechanical strength, hardness, and resistance to oxidation and corrosion, especially at high temperatures. These flanges boast a tensile strength ranging from about 380 to 550 MPa and a yield strength of around 205 MPa. They also provide excellent ductility, toughness, and weldability, making them ideal for high-pressure and high-temperature industrial systems that require reliable and durable connections.

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Alloy Steel F1 Flanges Specification

Alloy Steel Flanges Specification : ASTM A182 / ASME SA182
Dimension Standard : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2″ (15 NB) to 48″ (1200NB)
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
DIN Flanges : DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673.
JIS Flanges : JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K
BS Flanges : BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.

Alloy Steel F1 Flanges Chemical Composition

Grade	C	Mn	P	S	Si	Ni	Ch	Mo	Cb
F1	0.28	0.60 – 0.90	0.045	0.045	0.15 – 0.30	–	–	0.44-0.65	–

Alloy Steel F1 Flanges Mechanical Properties

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Rockwell B (HR B) max	Brinell (HB) max
F1	485	275	20	–	143-192

Alloy Steel F1 Flanges Equivalent Grades

STANDARD	DIN WERKSTOFF NR.	DIN	UNS
ASTM A182 F1 Flanges	1.5415	15M03	K12822

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Alloy Steel F1 Flanges Size

Size in (Inches)	Size in (Millimeter)	Number of Bolts	Bolt Size Of UNC	Length Of RF Stud	Size Of ISO Stud	Length Of Machine Bolts
Class 300 Flange
1/2	15	4	1/2	65	M14	55
3/4	20	4	5/8	75	M16	65
1	25	4	5/8	75	M16	65
1 1/4	32	4	5/8	85	M16	70
1 1/2	40	4	3/4	90	M20	75
2	50	8	5/8	90	M16	75
2 1/2	65	8	3/4	100	M20	85
3	80	8	3/4	110	M20	90
3 1/2	90	8	3/4	110	M20	95
4	100	8	3/4	115	M20	95
5	125	8	3/4	120	M20	110
6	150	12	3/4	120	M20	110
8	200	12	7/8	140	M24	120
10	250	16	1	160	M27	140
12	300	16	1 1/8	170	M30	145
14	350	20	1 1/8	180	M30	160
16	400	20	1 1/4	190	M33	165
18	450	24	1 1/4	195	M33	170
20	500	24	1 1/4	205	M33	185
24	600	24	1 1/2	230	M39	205

Top Manufacturer and Supplier of Alloy Steel F1 Flanges in Cape Town, South Africa

ThabisoSteel is a top manufacturer and supplier of high-quality Alloy Steel F1 Flanges products in Cape Town, South Africa. Specializing in steel solutions, we provide a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel. Our offerings include Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates. Known for our reliable delivery and superior customer service, we are committed to offering top-tier steel materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your steel needs.

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Types of Alloy Steel F1 Flanges

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Uses of Alloy Steel F1 Flanges

Alloy Steel F1 Socket Weld Flanges

Alloy Steel F1 Long Weld Neck Flanges

Alloy Steel F1 Lap Joint Flanges

Alloy Steel F1 Ring Type Joint Flange

Alloy Steel F1 Weld Neck Flanges

Alloy Steel F1 Blind Flanges

Alloy Steel F1 Flanges are extensively utilized in industries that need robust, durable, and heat-resistant piping connections. You’ll often find them in oil and gas pipelines, refineries, chemical processing plants, power generation facilities, and petrochemical operations. These flanges are perfect for assembling pressure vessels, boilers, heat exchangers, and turbine systems. Their impressive corrosion resistance, mechanical strength, and dimensional stability ensure secure and leak-proof joints, even under extreme operating conditions. Alloy Steel F1 Flanges deliver long-lasting performance, safety, and reliability in critical industrial applications where durability and operational efficiency are key.