ASTM A333 Grade 9 Seamless Pipe

ASTM A333 Grade 9 Standard covers seamless and welded steel pipe for low temperature service. The ASTM A333 Grade 9 steel involved is similar to AISI 4032 low alloy steel. ASTM A333 Grade 9 pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation. ASTM A333 Grade 9 covers seamless and welded steel pipe for low temperature service. The Grade 9 alloy steel involved is similar to AISI 4032 low alloy steel.

Seamless and Welded Steel Pipe size for Low-Temperature Service:

• Outer Dimensions: 19.05mm – 114.3mm
• Wall Thickness: 2.0mm – 14 mm
• Length: max 16000mm

Application: Seamless and Welded Steel Pipe for Low-Temperature Service.

Steel grade: ASTM A333 Grade 9, ASME SA333 Gr.7

Packing: Bare packing/bundle packing/crate packing/wooden protection at the both sides of tubes and suitably protected for sea-worthly delivery or as requested.

Inspection and Test: Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test,No-destructive Test, Hydrostatic Test.

Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.

ASTM A333 Grade 9 Chemical Compositions(%)

Compositions	Data
Carbon(max.)	0.19
Manganese	0.9
Phosphorus(max.)	0.025
Sulfur(max.)	0.025
Silicon	0.13-0.32
Nickel	2.03-2.57
Chromium	…
Other Elements	…

Mechanical properties for ASTM A333 Grade 9 Alloy Steel

Properties	Data
Tensile strength, min, (MPa)	450Mpa
Yield strength, min, (MPa)	240 Mpa
Elongation, min, (%), L/T	30/16.5

Impact requirements:

the notched-bar impact properties of each set of three impact specimens, when tested at temperature specified shall be not less than the values prescribed.

Referenced Documents

• ASTM A 370 Test Methods and Definitions for Mechanical testing of Steel Products
• ASTM A999/A 999M Specification for General requirements for Alloy and Stainless Steel Pipe.
• ASTM A 671 Specification for General requirements for Alloy and Stainless Steel Pipe
• ASTM E 23 Test Methods for Notched bar Impact testing of Metallic Materials

ASTM A333 Grade 7 Seamless Pipe

ASTM A333 Grade 7 Standard covers seamless and welded steel pipe for low temperature service. The ASTM A333 Grade 7 steel involved is similar to AISI 4032 low alloy steel. ASTM A333 Grade 7 pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation. ASTM A333 Grade 7 covers seamless and welded steel pipe for low temperature service. The Grade 7 alloy steel involved is similar to AISI 4032 low alloy steel.

Seamless and Welded Steel Pipe size for Low-Temperature Service:

• Outer Dimensions: 19.05mm – 114.3mm
• Wall Thickness: 2.0mm – 14 mm
• Length: max 16000mm

Application: Seamless and Welded Steel Pipe for Low-Temperature Service.

Steel grade: ASTM A333 Grade 7, ASME SA333 Gr.7

Packing:

Bare packing/bundle packing/crate packing/wooden protection at the both sides of tubes and suitably protected for sea-worthly delivery or as requested.

Inspection and Test: Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test,No-destructive Test, Hydrostatic Test.

Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.

ASTM A333 Grade 7 Chemical Compositions(%)

Compositions	Data
Carbon(max.)	0.19
Manganese	0.9
Phosphorus(max.)	0.025
Sulfur(max.)	0.025
Silicon	0.13-0.32
Nickel	2.03-2.57
Chromium	…
Other Elements	…

Mechanical properties for ASTM A333 Grade 7 Alloy Steel

Properties	Data
Tensile strength, min, (MPa)	450Mpa
Yield strength, min, (MPa)	240 Mpa
Elongation, min, (%), L/T	30/16.5

Impact requirements:

the notched-bar impact properties of each set of three impact specimens, when tested at temperature specified shall be not less than the values prescribed.

Referenced Documents

• ASTM A 370 Test Methods and Definitions for Mechanical testing of Steel Products
• ASTM A999/A 999M Specification for General requirements for Alloy and Stainless Steel Pipe.
• ASTM A 671 Specification for General requirements for Alloy and Stainless Steel Pipe
• ASTM E 23 Test Methods for Notched bar Impact testing of Metallic Materials

ASTM A335 P92 Alloy Seamless Steel Pipe

ASTM A335 P92 Alloy Seamless Steel Pipe

Alloy Seamless Steel Pipe, Alloy steel pipe, ASTM A335, ASTM A335 P92, p92, seamless steel pipe 

ASTM A335 P92 is the part of ASTM A335, The pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding. The steel material shall conform to chemical composition, tensile property, and hardness requirements.
Each length of pipe shall be subjected to the hydrostatic test. Also, each pipe shall be examined by a non-destructive examination method in accordance to the required practices. The range of ASTM A335 P92 seamless alloy steel pipe sizes that may be examined by each method shall be subjected to the limitations in the scope of the respective practice.
The different mechanical test requirements for pipes, namely, transverse or longitudinal tension test, flattening test, and hardness or bend test are presented.Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.
Chemical Requirements of ASTM A335 P92

UNS Designation	K92460
Carbon	0.07–0.13
Manganese	0.30–0.60
Phosphorus(max)	0.02
Sulfur(max)	0.01
Silicon	0.50 max
Chromium	8.50–9.50
Molybdenum	0.30–0.60
V	0.15-0.25
N	0.03-0.07
Ni (max)	0.4
Al(max)	0.02
Cb	0.04-0.09
W	1.5-2.00
B	0.001-0.006
Ti (max)	0.01
Zr(max)	0.01

 Mechanical Properties  of ASTM A335 P92

Tensile strength, min, (MPa)	620
Yield strength, min, (MPa)	440
Elongation, min, (%), L/T	20/…

Material & Manufacture

Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.

Heat Treatment

• A / N+T
• N+T / Q+T
• N+T

Mechanical Tests Specified of ASTM A335 P92

• Transverse or Longitudinal Tension Test and Flattening Test, Hardness Test, or Bend Test
• For material heat treated in a batch-type furnace, tests shall be made on 5% of the pipe from each treated lot. For small lots, at least one pipe shall be tested.
• For material heat treated by the continuous process, tests shall be made on a sufficient number of pipe to constitute 5% of the lot, but in no case less than 2 pipe.

 Permitted tolerance for OD

OD	Plus tolerance(+)	Minus tolerance (-)
10.29—48.3	0.4	0.4
<48.3—-≤114.3	0.79	0.79
<114.3—≤219.1	1.59	0.79
<219.1—≤323.9	2.38	0.79
<323.9	±1%

Wall thickness is average wall or according to ASME SA530.

Notes for Bend Test:

• For pipe whose diameter exceeds NPS 25 and whose diameter to wall thickness ratio is 7.0 or less shall be subjected to the bend test instead of the flattening test.
• Other pipe whose diameter equals or exceeds NPS 10 may be given the bend test in place of the flattening test subject to the approval of the purchaser.
• The bend test specimens shall be bent at room temperature through 180 without cracking on the outside of the bent portion.

ASTM A335 P91 Alloy Seamless Steel Pipe

ASTM A335 P91 Alloy Seamless Steel Pipe

ASTM A335, ASTM A335 p91, ASTM A335 P91 Alloy Seamless Steel Pipe, seamless steel pipe, Steel pipe 

ASTM A335 P91 pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding.
The steel material shall conform to chemical composition, tensile property, and hardness requirements.
Each length of pipe shall be subjected to the hydrostatic test. Also, each pipe shall be examined by a non-destructive examination method in accordance to the required practices.
The different mechanical test requirements for pipes, namely, transverse or longitudinal tension test, flattening test, and hardness or bend test are presented.Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.
Chemical Requirements of ASTM A335 P91

UNS Designa-tion	K91560
Carbon	0.08-0.12
Manganese	0.30-0.60
P&S	0.020-0.010
Silicon	0.20-0.50
Chromium	8.00-9.50
Molybdenum	0.85-1.05
Others	—

Mechanical Properties  of ASTM A335 P91

Properties	Data
Tensile strength, min, (MPa)	585
Yield strength, min, (MPa)	415
Elongation, min, (%), L/T	20/…

Material & Manufacture

Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.

Heat Treatment

• A / N+T
• N+T / Q+T
• N+T

Mechanical Tests Specified of ASTM A335 P91

• Transverse or Longitudinal Tension Test and Flattening Test, Hardness Test, or Bend Test
• For material heat treated in a batch-type furnace, tests shall be made on 5% of the pipe from each treated lot. For small lots, at least one pipe shall be tested.
• For material heat treated by the continuous process, tests shall be made on a sufficient number of pipe to constitute 5% of the lot, but in no case less than 2 pipe.

Notes for Bend Test:

• For pipe whose diameter exceeds NPS 25 and whose diameter to wall thickness ratio is 7.0 or less shall be subjected to the bend test instead of the flattening test.
• Other pipe whose diameter equals or exceeds NPS 10 may be given the bend test in place of the flattening test subject to the approval of the purchaser.
• The bend test specimens shall be bent at room temperature through 180 without cracking on the outside of the bent portion.

 Permitted tolerance for OD

OD	Plus tolerance(+)	Minus tolerance (-)
10.29—48.3	0.4	0.4
<48.3—-≤114.3	0.79	0.79
<114.3—≤219.1	1.59	0.79
<219.1—≤323.9	2.38	0.79
<323.9	±1%

Wall thickness is average wall or according to ASME SA530.

ASTM A333 Grade 8 Seamless Pipes

ASTM A333 Grade 8 Seamless Pipes

ASME SA333 Gr.8 Seamless Steel Pipe

alloy steel, ASME SA333 Gr.8, astm a333, ASTM A333 Gr.8, ASTM A333 Grade 8, gr 8, seamless steel pipe

ASTM A333 Standard covers seamless and welded steel pipe for low temperature service. The Grade 8 steel involved is similar to AISI 4032 low alloy steel. ASTM A333 Grade 8 pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation.

Seamless and Welded Steel Pipe size for Low-Temperature Service:

• Outer Dimensions: 19.05mm-114.3mm
• Wall Thickness:2.0mm-14 mm
• Length: max 16000mm

Application: Seamless and Welded Steel Pipe for Low-Temperature Service.
Steel grade: ASTM A333 Grade 8

Inspection and Test:

• Chemical Composition Inspection, Mechanical Properties Test
• Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test
• Surface and Dimension Test,No-destructive Test, Hydrostatic Test.

Crade	The lowest temperature for strike test
	℉	℃
ASTM A333 Grade 8	-320	-195

ASTM A333 Gr. 8 Chemical Compositions(%)

Grade	Chemical Composition (%)
	C(max)	Si	Mn	P(max)	S(max)	Cr	Ni
Grade 8	0.13	0.13-0.32	0.9	0.025	0.025	--	8.40-9.60

ASTM A333 Gr.7 Mechanical Properties

Grade	Tensile Strength (MPa）	Yield Point (MPa)	Elongation (%)
			Y	X
ASTM A333 Grade 8	≥690	≥515	≥22	--

Impact temperature

Minimum Impact Test Temperature -45 C(-50 F)

Impact requirements

Size	Minimum Average Notched Bar Impact Value of Each Set of Three Specimens		Minimum Notched Bar Impact Value of One Specimen Only of a Set
Size of Specimen, mm	ft-lbf	J	ft-lbf	J
10 by 10	13	18	10	14
10 by 7.5	10	14	8	11
10 by 6.67	9	12	7	9
10 by 5	7	9	5	7
10 by 3.33	5	7	3	4
10 by 2.5	4	5	3	4

Straight line interpolation for intermediate values is permitted.

Impact temperature reduction

Specimen Width Along Notch or Actual Material Thickness mm	Temperature Reduction,Degrees Colder C
10 (standard size)	0
9	0
8	0
7.5 (3/4 standard size)	3
7	4
6.67 (2/3 standard size)	5
6	8
5 (1/2 standard size)	11
4	17
3.33 (1/3 standard size)	19
3	22
2.5 (1/4 standard size)	28

P Number/ Group Number

ASTM A333	Grade 6
P Number	1
Group	1

Machinability

Machinability is good, similar to law alloy 4032 steel.

Forming

The product comes in piping form but may be formed readily by conventional methods.

Welding

Weldable by conventional methods.

Heat Treatment

Product is supplied in the normalized, 1500 f and air cooled, condition. It may be quenched and tempered by heating to 1475 F, quench in circulating water and then temper by re-heating to 1100 F and rapid air cooling.

Forging

Product is supplied in pipe form and not normally forged from that shape.

Hot Working

Hot working may be done qt 2000 F down to 1600 F if need be. Do not hot work below 1550 F and immediately following hot working cool in a controlled atmosphere furnace from a temperature above 1550 F.

Cold Working

Cold working may be done by conventional methods.

Annealing

Anneal, or normalize, at 1600 F and air cool.

Strike Temperature Condition

Grade	The lowest temperature for strike test
	℉	℃
ASTM A333 Gr.6	-150	-100

Packing:

• Packed in wooden crates, wrapped in plastic, and suitably protected for sea-worthly delivery or as requested.
• Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.

Delivery:

Pipes are supplied in hexagonal bundles or round bundles tied with steel strip.
Weight of bundle – up to 5000 kg upon request of customer.
Each bundle is furnished with three tags.