Carbon Steel A105 Flanges Manufacturer and Supplier in Kuala lumpur, Malaysia

Carbon Steel A105 Flanges

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Carbon Steel A105 Flanges are forged from carbon steel and are widely used in pressure systems, whether at room temperature or in hotter conditions. Shalan Steel, a top-notch manufacturer and supplier located in Kuala Lumpur, Malaysia, offers high-quality ASTM A105 flanges in a variety of styles, including weld neck, slip-on, socket weld, blind, and threaded options. These flanges are popular throughout Malaysia and Southeast Asia, especially in industries that need reliable, high-strength pipe connections.

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ASTM A105 Carbon Steel RTJ Flanges

Carbon Steel A105 Forged Flanges

Carbon Steel A105 Flat Face Flanges

What is Carbon Steel A105 Flanges?

ASTM A105 refers to a forged carbon steel material that typically boasts a tensile strength ranging from 485 to 655 MPa and a minimum yield strength of 250 MPa. Thanks to their impressive mechanical properties, machinability, and weldability, these flanges are perfect for applications that involve pressure containment. A105 flanges usually come in a normalized, forged, or heat-treated state and meet ANSI/ASME B16.5 and other international standards.

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Carbon Steel A105 Flanges Specification

Specs	ASTM A105/ ASME SA105
Pressure Classes	Cl 150, Class 300, Cl. 400, 600, Class 900, Cl 1500 and 2500
Standards	ASME \| BS \| DIN \| ANSI \| GOST \| EN Flange
Size Ranges	From 1/2 inch (i.e. 15 NB) upto 48 inch (i.e. 1200NB)
Flange Face Type	FF, RF, LMF, SMF, RTJ, LJF.
JIS Standards	5 K, 10K, 16K, 20 K, 30K, 40K, 63 K
UNI/ DIN / EN Standard	6Bar, 10 Bar, 16Bar, 25 Bar, 40Bar

Carbon Steel A105 Flanges Chemical Composition

Elements	Composition, %
Carbon [C]	≤0.35
Manganese [Mn]	0.60-1.05
Phosphorus [P]	≤0.35
Sulfur [S]	≤0.40
Silicon [Si]	0.10-0.35
Copper [Cu]	≤0.40
Nickel [Ni]	≤0.40
Chromium [Cr]	≤0.30
Molybdenum [Mo]	≤0.12
Vanadium [V]	≤0.08

Carbon Steel A105 Flanges Mechanical Properties

Tensile Strength min.		Yield Strength min.		Elongation min.	Reduction of Area, min.	Hardness
MPa	ksi	MPa	ksi	%	%	HBW
485	70	250	36	22	30	137-187

If You Are Looking To Buy High Quality Pipes, Sheet, Fittings and Flanges

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Top Manufacturer and Supplier of Carbon Steel A105 Flanges in Kuala lumpur, Malaysia

You’ll find Carbon Steel A105 Flanges in oil and gas pipelines, refineries, petrochemical facilities, power generation systems, and even in shipbuilding. They’re particularly well-suited for connecting valves, pumps, and equipment in high-pressure scenarios. With their strength, resistance to corrosion (when coated), and ability to handle thermal cycles, A105 flanges offer a durable and cost-effective choice for essential industrial piping systems.

ANSI A105 Flanges Pressure Rating

ASTM A105 Flange Weights by Pressure Class and Size
Pipe Size	Class 150			Class 300			Class 600			Class 900			Class 1500			Class 2500
Pipe Size	WN	SO	BLD	WN	SO	BLD	WN	SO	BLD	WN	SO	BLD	WN	SO	BLD	WN	SO	BLD
1/2″	2	1	1	2	1	1	2	2	2	1500 Class Weight			5	4	4	7	7	7
3/4″	2	2	2	3	3	3	4	3	3	1500 Class Weight			6	5	6	8	8	8
1″	3	2	2	4	3	3	4	4	4	1500 Class Weight			9	8	8	12	11	11
1 1/2″	4	3	3	7	6	6	8	7	8	1500 Class Weight			13	12	13	25	22	23
2″	6	5	5	9	7	8	12	9	10	1500 Class Weight			25	25	25	42	37	39
2 1/2″	8	7	7	12	10	12	18	13	15	1500 Class Weight			36	36	35	52	55	56
3″	10	8	9	15	13	16	23	16	20	31	26	29	48	48	48	94	83	86
4″	15	13	17	25	22	27	42	37	41	53	53	54	73	73	73	145	125	130
5″	19	15	20	32	28	35	68	63	68	86	83	87	130	130	140	245	210	225
6″	24	19	26	42	39	50	81	80	86	110	110	115	165	165	160	380	325	345
8″	39	30	45	67	58	81	120	115	140	175	170	200	275	260	300	580	485	530
10″	52	43	70	91	81	124	190	170	230	260	245	290	455	435	510	1075	930	1025
12″	80	64	110	140	115	185	225	200	295	325	325	415	690	580	690	1525	1100	1300
14″	110	90	140	180	165	250	280	230	355	400	400	520	940	NA	975	NA	NA	NA
16″	140	98	180	250	190	295	390	330	495	495	425	600	1250	NA	1300	NA	NA	NA
18″	150	130	220	320	250	395	475	400	630	680	600	850	1625	NA	1750	NA	NA	NA
20″	180	165	285	400	315	505	590	510	810	830	730	1075	2050	NA	2225	NA	NA	NA
22″	225	185	355	465	370	640	720	590	1000	NA	NA	NA	NA	NA	NA	NA	NA	NA
24″	260	220	430	580	475	790	830	730	1250	1500	1400	2025	3325	NA	3625	NA	NA	NA

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Types of Carbon Steel A105 Flanges

ASTM A105 Flange Weight Chart

Size in inches	Outer Dia.	Size in millimeter	RF Height	Flange Thick.	RF Diam.	PCD	Bolt Size UNC	No of Bolts	Machine Bolt Lengths	Hole Size	RF Stud Length	ISO Stud Size	Weight in kg
	A		D	B	C	E
1/2	90	15	2	9.6	34.9	60.3	1/2	4	50	5/8	55	M14	0.9
3/4	100	20	2	11.2	42.9	69.9	1/2	4	50	5/8	65	M14	0.9
1	110	25	2	12.7	50.8	79.4	1/2	4	55	5/8	65	M14	0.9
1 1/4	115	32	2	14.3	63.5	88.9	1/2	4	55	5/8	70	M14	1.4
1 1/2	125	40	2	15.9	73	98.4	1/2	4	65	5/8	70	M14	1.8
2	150	50	2	17.5	92.1	120.7	5/8	4	70	3/4	85	M16	2.3
2 1/2	180	65	2	20.7	104.8	139.7	5/8	4	75	3/4	90	M16	3.2
3	190	80	2	22.3	127	152.4	5/8	4	75	3/4	90	M16	4.1
3 1/2	215	90	2	22.3	139.7	177.8	5/8	8	75	3/4	90	M16	5.9
4	230	100	2	22.3	157.2	190.5	5/8	8	75	3/4	90	M16	7.7
5	255	125	2	22.3	185.7	215.9	3/4	8	85	7/8	95	M20	9.1
6	280	150	2	23.9	215.9	241.3	3/4	8	85	7/8	100	M20	11.8
8	345	200	2	27	269.9	298.5	3/4	8	90	7/8	110	M20	20.5
10	405	250	2	28.6	323.8	362	7/8	12	100	1	115	M24	32
12	485	300	2	30.2	381	431.8	7/8	12	100	1	120	M24	50
14	535	350	2	33.4	412.8	476.3	1	12	115	1 1/8	135	M27	64
16	595	400	2	35	469.9	539.8	1	16	115	1 1/8	135	M27	82
18	635	450	2	38.1	533.4	577.9	1 1/8	16	125	1 1/4	145	M30	100
20	700	500	2	41.3	584.2	635	1 1/8	20	140	1 1/4	160	M30	130
24	815	600	2	46.1	692.2	749.3	1 1/4	20	150	1 3/8	170	M33	196

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Uses of Carbon Steel A105 Flanges

Carbon Steel A105 Flanges are extensively utilized in high-pressure and high-temperature applications. They are a must-have in oil & gas, petrochemicals, power plants, and refineries to provide safe pipeline connections. They are perfect for the transportation of steam, water, and gas, providing superior durability and corrosion resistance. Pressure vessels, heat exchangers, and boiler production are some of the common uses. Their machinability and strength qualify them for use in threaded or welded piping systems, making them leak-proof and efficient flow managers in industrial processes.