Alloy Steel ASTM A691 Grade 1CR Seamless Pipe | Meta Aerospace – Top Manufacturers & Exporters

Alloy Steel ASTM A691 Grade 1CR Seamless Pipe is a top-grade pipe that is employed in various industries that require strength, toughness, and pressure and heat resistance. It is manufactured by electric-fusion welding chromium-molybdenum alloy steel to offer better mechanical properties and outstanding corrosion resistance. Meta Aerospace provides top-grade pipes that are of highest quality to offer long-term reliability and safety under extreme conditions.

Table of Content

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

What are ASTM A691 Grade 1CR Seamless Pipe?

Alloy Steel ASTM A691 Grade 1CR Seamless Pipes are designed to withstand extreme temperature and pressure conditions. Chromium and molybdenum constitute the composition of these pipes and provide them with exceptional hardness, strength, and corrosion resistance. Seamless pipes undergo stringent quality control processes to make sure that they are in line with ASTM standards and deliver maximum efficiency. With uniform structure and exceptional dimensional accuracy, these pipes are ideal for applications that require seamless flow and stress corrosion resistance.

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

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

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

Petrochemical Industry: Widely used for transporting hostile chemicals, fluids, and gases under high pressure.
Power Generation Plants: Suitable for steam pipelines with high temperature and boiler tubes to ensure operational efficiency and safety.
Oil and Gas Industry: Ideal for offshore and onshore operations for drilling in regions that demand immense strength and corrosion resistance.
Aerospace Applications: Used in high-stress applications requiring lightweight and strong materials to provide structural integrity.
Construction and infrastructure: Used for high-stress structural applications such as bridges, buildings, and support structures.

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Meta Aerospace is a leading alloy steel ASTM A691 Grade 1CR Seamless Pipe manufacturer. Our manufacturing practices are based on international quality standards to deliver consistent quality and precision. We are experts in manufacturing seamless pipes with outstanding mechanical and chemical properties for various industries around the world.

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Alloy Steel ASTM A691 Grade 1CR Seamless Pipes Suppliers Meta Aerospace is a top and reliable provider of ASTM A691 Grade 1CR Seamless Pipes. We offer a vast inventory of seamless pipes with various diameters and sizes. Our distribution chain is set to deliver products on time to meet urgent project requirements while maintaining quality standards.

Meta Aerospace is a large inventory holder and is amongst the top Alloy Steel ASTM A691 Grade 1CR Seamless Pipe Stockists. Our inventory includes seamless pipes that are ready to dispatch on short notice to cater to the diversified requirements of industries that demand seamless pipes with short lead times. Alloy Steel ASTM A691 Grade 1CR Seamless Pipes Suppliers Meta Aerospace is globally acclaimed as a trustworthy Alloy Steel ASTM A691 Grade 1CR Seamless Pipe Exporter. We export top-notch quality pipes to various international destinations with utmost adherence to international standards and customer specifications.

What Are Specification ASTM A691 Grade 1CR 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 1CR 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 1CR 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 1CR 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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