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ASTM A333 Grade 8 Seamless Pipes

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US$ 1000 - 6000 MOQ: 10 Tons
Key Specifications
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Place of Origin:
China
Certification:
BSI
Thickness:
10, 30
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Sunny Steel Pipe Manufactory
Payment & Shipping
Payment Methods:
Port of Shipment:
Shanghai
Delivery Detail:
30 days

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Place of Origin China
Certification BSI
Thickness 10, 30
Application Hydraulic Pipe
Technique Cold Drawn
Alloy Or Not Is Alloy
Secondary Or Not Non-secondary
Special Pipe Thick Wall Pipe
Section Shape Round
Outer Diameter 60, 300

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.


Product Tags: ASTM A333 alloy pipes , Alloy Steel Seamless Pipes , ASME SA333 Gr.8

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Sunny Steel Pipe Manufactory
Business Type
Manufacturer
Year Established
2000
Overseas Office
Yes
Factory Size
10,000-30,000 square meters
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