Alloy Steel ASTM A691 Grade 1 1/4 CR Seamless Pipe

Alloy Steel ASTM A691 Grade 1 1/4 CR Seamless Pipe is a corrosion-resistant and high-strength pipe that is used for applications that involve high pressure. It is made of alloy steel and is best used in extreme conditions and is reliable and durable. Seamless pipes are used extensively by industries that demand higher tensile strength and improved performance. Meta Aerospace supplies top-grade pipes that are in conformity with industrial standards and are used for different applications.

Table of Content

What are ASTM A691 GR 1 1/4 CR Pipe?
Advantages of ASTM A691 GR 1 1/4 CR Pipe?
Uses and Applications ASTM A691 GR 1 1/4 CR Pipe?
What Are Specification ASTM A691 GR 1 1/4 CR Pipe?
What Are Equivalent ASTM A691 GR 1 1/4 CR Pipe?
Chemical Comp Of ASTM A691 GR 1 1/4 CR Pipe?
Mechanical Properties ASTM A691 GR 1 1/4 CR Pipe?
People Also Search For ASTM A691 GR 1 1/4 CR Pipe?

What are ASTM A691 Grade 1 1/4 CR Seamless Pipe?

Alloy Steel ASTM A691 Grade 1 1/4 CR Seamless Pipe is constructed using chrome-molybdenum alloy steel and is more durable and strong. It is heat and pressure-resistant and is used heavily in power stations and refineries and other stress-bearing applications. Seamless manufacturing makes it evenly strong and there is no possibility of weak points. It is ideal for applications that are demanding. With higher mechanical properties, this pipe is capable of meeting stringent specifications of various industries.

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ASTM A691 Grade 1 1/4 CR Seamless Pipe, ASTM A691 Grade 1 1/4 CR Seamless Pipe Manufacturers, ASTM A691 Grade 1 1/4 CR Seamless Pipe Suppliers, ASTM A691 Grade 1 1/4 CR Seamless Pipe Stockists, ASTM A691 Grade 1 1/4 CR Seamless Pipe Exporters

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Alloy Steel ASTM A691 Grade 1 1/4 CR Seamless Pipe has excellent advantages including tensile strength, heat and corrosion resistance, and thermal resistance. Seamless piping eliminates the possibility of weak points and is therefore durable for high-pressure applications. Its heat resistance and oxidation resistance in heat extend lifespan and reduce future repair costs. Such pipes are also weldable and easy to fabricate and install in complex structures.

Advantages of ASTM A691 Grade 1 1/4 CR Seamless Pipe?

High Tensile Strength and Resistance: Chromium and molybdenum additions provide higher tensile strength and resistance to deformation under extreme conditions.

Corrosion and Oxidation Resistance: The alloy composition ensures excellent resistance to oxidation and corrosion and extreme chemical exposure.
Thermal Stability: Ideal for use in extreme heat with structural integrity under extreme thermal conditions.
Seamless Design: With no weld seams to create weak points or areas of possible leakage or failures.
Longer Service Life: Its outstanding properties offer a longer lifespan with reduced need for periodic replacements and maintenance.

Uniform structure eliminates weak spots with smooth build-up for increased reliability.

Uses and Applications ASTM A691 Grade 1 1/4 CR Seamless Pipe?

High Tensile Alloy Steel ASTM A691 Grade 1 1/4 CR Seamless Pipes are used in various applications.

Power Generation: Pipes are used extensively in power stations, particularly for steam boilers and heat exchangers, for which resistance to pressure and temperature is necessary.
Petrochemical Industry: ASTM A691 Grade 1 1/4 CR Seamless Pipe is ideal for petrochemical plants to ensure safe and efficient transportation of hazardous materials.
Refineries: Seamless design ensures consistent performance in refineries where strength and corrosion resistance are of highest priority.
Oil & Gas Industry Widely used for oil and gas pipelines to move oil and gas, these pipes are highly resistant to extreme conditions and maintain structural integrity.
Aerospace Industry: Used in aerospace operations since they can withstand extreme pressure and temperature variations.

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ASTM A691 Grade 1 1/4 CR Seamless Pipe in India, ASTM A691 Grade 1 1/4 CR Seamless Pipe Manufacturers in India, ASTM A691 Grade 1 1/4 CR Seamless Pipe Suppliers in India, ASTM A691 Grade 1 1/4 CR Seamless Pipe Stockists in India, ASTM A691 Grade 1 1/4 CR Seamless Pipe Exporters in India

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Meta Aerospace is one of the leading Alloy Steel ASTM A691 Grade 1 1/4 CR Seamless Pipe Manufacturers that offer top-notch quality products that are in accordance with international standards. Meta Aerospace provides customized products to meet individual specifications of various industries with consistent quality and performance.

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Reputable Alloy Steel ASTM A691 Grade 1 1/4 CR Seamless Pipe Suppliers, Meta Aerospace is prompt in delivery and maintains a robust inventory to meet client orders. With a large infrastructure for supply chain management, it facilitates smooth distribution of products to international markets.

Alloy Steel ASTM A691 Grade 1 1/4 CR Seamless Pipes Stockholders Meta Aerospace is a top Alloy Steel ASTM A691 Grade 1 1/4 CR Seamless Pipe Stockists, and they supply seamless pipes in various sizes and specifications. They keep a ready inventory to fulfill urgent project requirements. Alloy Steel ASTM A691 Grade 1 1/4 CR Seamless Pipes Suppliers Among the best Alloy Steel ASTM A691 Grade 1 1/4 CR Seamless Pipe Exporters, Meta Aerospace exports seamless pipes of superior quality to clients across the globe. They are quality-conscious and abide by international standards to deliver satisfaction to clients.

What Are Specification ASTM A691 Grade 1 1/4 CR Seamless Pipe?

Grade	Alloy Steel ASTM A691 Cl22, A691 GRADE 1 CR, GRADE 1/2 CR, GRADE 1 1/4 CR, GRADE 2 1/4 CR, GRADE 3 CR, GRADE 5 CR, GRADE 9 CR, GRADE 91, CM 65, CM 70, CM 75
Size	1/2” NB to 36” NB
Thickness	3-12mm
Schedules	SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Class Designation	Class 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 34, 40, 41, 42, 43, 50, 51, 52, 53, 60, 61, 62, 63, 70, 71, 72, 73
ASTM A691 Grades	ASTM A691 Gr 11, ASTM A691 Gr.91, ASTM A691 9cr, ASTM A691 5cr, ASTM A691 1 1/4cr Cl22, ASTM A691m, ASTM A691 Gr.5cr Cl22, ASTM A691 Cm70, ASTM A691 Class 22, ASTM A691 Class 42, ASTM A691-91, ASTM A691 Grade 2.1/4cr, ASTM A691 11/4cr Cl22
Origin	European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material)
Tolerance	Cold drawn pipe: +/-0.1mm Cold rolled pipe: +/-0.05mm
Craft	Cold rolled and Cold drawn
Type	Seamless / ERW / Welded / Fabricated / LSAW Pipes
available in Form of	Round, Square, Rectangular, Hydraulic Etc.
Length	Standard Double & In Cut length also.
End	Plain End, Beveled End, Treaded
Specialized in	Large Diameter ASTM A691 Pipe
Additional Testing	NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc.
Application	Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

Equivalent material Of ASTM A691 Grade 1 1/4 CR Seamless Pipe?

Pipe Grade	Type of Steel	ASTM Specification		HB, max
Pipe Grade	Type of Steel	Number	Grade	HB, max
CM-65	carbon-molybdenum steel	A204/A204M	A	201
CM-70	carbon-molybdenum steel	A204/A204M	B	201
CM-75	carbon-molybdenum steel	A204/A204M	C	201
CMSH-70	carbon-manganese-silicon steel, normalized	A537/A537M	1
CMS-75	carbon-manganese-silicon steel	A299/A299M	—	—
CMSH-80	carbon-manganese-silicon steel, quenched and tempered	A537/A537M	2
1/2 CR	1/2 % chromium, 1/2 % molybdenum steel	A387/A387M	2	201
1 CR	1 % chromium, 1/2 % molybdenum steel	A387/A387M	12	201
1 1/4 CR	1 1/4 % chromium, 1/2 % molybdenum steel	A387/A387M	11	201
2 1/4 CR	2 1/4 % chromium, 1 % molybdenum steel	A387/A387M	22	201
3 CR	3 % chromium, 1 % molybdenum steel	A387/A387M	21	201
5 CR	5 % chromium, 1/2 % molybdenum steel	A387/A387M	5	225
9 CR	9 % chromium, 1 % molybdenum steel	A387/A387M	9	241
91	9 % chromium, 1 % molybdenum, vanadium, columbium	A387/A387M	91	241

Chemical Composition Of ASTM A691 Grade 1 1/4 CR Seamless Pipe?

	1CR	1-1/4CR	2-1/4 CR	5 CR	9 CR	91
C	0.05-0.17	0.05-0.17	0.05-0.15	0.15	0.15	0.08-0.12
Mn	0.40-0.65	0.40-0.65	0.30-0.60	0.30-0.60	0.30-0.60	0.30-0.60
P	0.025	0.025	0.025	0.025	0.025	0.020
S	0.025	0.025	0.025	0.025	0.025	0.010
Si	0.15-0.40	0.50-0.80	0.50	0.50	1.00	0.20-0.50
Cr	0.80-1.15	1.00-1.50	2.00-2.50	4.00-6.00	8.00-10.00	8.00-9.50
Mo	0.45-0.60	0.45-0.65	0.90-1.10	0.45-0.65	0.90-1.10	0.85-1.05
V	–	–	–	–	0.04	0.18-0.25

Mechanical Properties Of ASTM A691 Grade 1 1/4 CR Seamless Pipe?

Class	Heat Treatment on Pipe Section see:	Radiography, see Section	Pressure Test, see :
10	none	none	none
11	none	9	none
12	none	9	8.3
13	none	none	8.3
21	stress relieved, see 6.3.1	none	none
21	stress relieved, see 6.3.1	9	none
ASTM A691 Class 22	stress relieved, see 6.3.1	9	8.3
23	stress relieved, see 6.3.1	none	8.3
31	normalized, see 6.3.2	none	none
31	normalized, see 6.3.2	9	none
32	normalized, see 6.3.2	9	8.3
33	normalized, see 6.3.2	none	8.3
40	normalized and tempered, see 6.3.3	none	none
43	normalized and tempered, see 6.3.3	9	none
43	normalized and tempered, see 6.3.3	9	8.3
43	normalized and tempered, see 6.3.3	none	8.3
50	quenched and tempered, see 6.3.4	none	none
51	quenched and tempered, see 6.3.4	9	none
52	quenched and tempered, see 6.3.4	9	8.3
53	quenched and tempered, see 6.3.4	none	8.3
60	normalized and precipitation heat none none treated	none	none
61	normalized and precipitation heat none none treated	9	none
62	normalized and precipitation heat none none treated	9	8.3
63	normalized and precipitation heat none none treated	none	8.3
70	normalized and precipitation heat none none treated	none	none
71	normalized and precipitation heat none none treated	9	none
72	normalized and precipitation heat none none treated	9	8.3
73	normalized and precipitation heat none none treated	none	8.3

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