ASTM A333 Standard Specification

ASTM A333 / A333M - 16 Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service and Other Applications.

ASTM A333 alloy pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation. All seamless and welded pipes shall be treated to control their microstructure.

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ASTM A335 P11 alloy pipe
ASTM A333 Gr.1 pipe
ASTM A333 Grade 1 alloy pipe shall be made by the seamless or welding process...
ASTM A333 Grade 6 alloy pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation.
A333 Gr.6 seamless pipe
ASTM A333 Grade 6 covers seamless and welded steel pipe for low temperature service.
Gr.8 Ultra-low temperature pipe
ASTM A333 Gr. 8 specification covers seamless steel pipe for Ultra-low temperature service.
ASTM A213 T91 Seamless alloy pipes
ASTM A333 Grade 3 Pipe
ASMT A333 Grade 3 seamless and welded pipes shall be treated to control their microstructure.
ASTM A333 Grade 9 Seamless Pipe
ASTM A333 Grade 9
ASMT A333 Grade 9 seamless and welded pipes shall be treated to control their microstructure.
ASTM A213 T91 Seamless alloy pipes
ASTM A333 Grade 7 Pipe
ASMT A333 Grade 7 seamless and welded pipes shall be treated to control their microstructure.

Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service

ASTM A333 standard covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures. ASTM A333 alloy pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation. All seamless and welded pipes shall be treated to control their microstructure. Tensile tests, impact tests, hydrostatic tests, and nondestructive electric tests shall be made in accordance to specified requirements.

Scope of ASTM A333

Mainly Grade of ASTM A333

ASTM A333 standard covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures.

Strike temperature condition:
Crade The lowest temperature for strike test
ASTM A333 Grade 1 -50 -45
ASTM A333 Grade 3 -150 -100
ASTM A333 Grade 4 -150 -100
ASTM A333 Grade 6 -50 -45
ASTM A333 Grade 7 -100 -75
ASTM A333 Grade 8 -320 -195
ASTM A333 Grade 9 -100 -75
ASTM A333 Grade 10 -75 -60
 Mechanical requiremnts
Grade Tensile Strength (MPa) Yield Point (MPa) Elongation (%)
Y X
Grade 1 ≥380 ≥205 ≥35 ≥25
Grade 3 ≥450 ≥240 ≥30 ≥20
Grade 4 ≥415 ≥240 ≥30 ≥16.5
Grade 6 ≥415 ≥240 ≥30 ≥16.5
Grade 7 ≥450 ≥240 ≥30 ≥22
Grade 8 ≥690 ≥515 ≥22
Grade 9 ≥435 ≥315 ≥28
Grade 10 ≥550 ≥450 ≥22
Grade 11 ≥450 ≥240 ≥18
 Chemical Composition (%)
Grade Chemical Composition (%)
C Si Mn P S Cr Ni Cu Mo V Al
Grade 1 ≤0.30 0.40-1.06 ≤0.025 ≤0.025
Grade 3 ≤0.19 0.18-0.37 0.31-0.64 ≤0.025 ≤0.025 3.18-3.82
Grade 4 ≤0.12 0.18-0.37 0.50-1.05 ≤0.025 ≤0.025 0.44-1.01 0.47-0.98 0.40-0.75 0.04-0.30
Grade 6 ≤0.30 ≥0.10 0.29-1.06 ≤0.025 ≤0.025
Grade 7 ≤0.19 0.13-0.32 ≤0.90 ≤0.025 ≤0.025 2.03-2.57
Grade 8 ≤0.13 0.13-0.32 ≤0.90 ≤0.025 ≤0.025 8.40-9.60
Grade 9 ≤0.20 0.40-1.06 ≤0.025 ≤0.025 1.60-2.24 0.75-1.25
Grade 10 ≤0.20 0.10-0.35 1.15-1.50 ≤0.03 ≤0.015 ≤0.15 ≤0.25 ≤0.015 ≤0.50 ≤0.12 ≤0.06
Grade 11 ≤0.10 ≤0.35 ≤0.6 ≤0.025 ≤0.025 ≤0.50 35.0-37.0 ≤0.50
Elongation in 2 in or 50 mm, min, %:
Wall Thickness
Grade 8
in
mm
Longitudinal
Transverse
5/16 (0.312) 8 22 --
9/32 (0.281) 7.2 21 --
1/4 (0.250) 6.4 20 --
7/32 (0.219) 5.6 18 --
3/16 (0.188) 4.8 17 --
5/32 (0.156) 4 16 --
1/8 (0.125) 3.2 15 --
3/32 (0.094) 2.4 13 --
1/16 (0.062) 1.6 12 --
IMPACT REQUIREMENTS
Size of Specimen  
Minimum Average Notched Bar Impact Value of Each Set of Three Specimen
Minimum Notched Bar Impact Value of One Specimen only a Set
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.

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.

IMPACT TEMPERATURE
Grade
Minimum Impact Test Temperature
°F
°C
8
-320
-195
MECHANICAL TESTING

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. Hydrostatic Test Impact Test One notched bar impact test, consisting of breaking three specimens shall be made from each heat represtented in a heat-treatment load on specimens taken from the finished pipe.

HEAT TREATMENT REQUIREMENTS

All seamless and welded pipe shall be treated to control their microstructure by the following methods: Normalizing per A 333/A 333M-05 section 4.2.1.1; section 4.2.1.2 or section 4.2.1.3 Quenched and Tempered per A 333/A 333M – 05 section 4.2.2.1 Double Normalized and Tempered per A 333/A 333M – 05 section 4.2.2.2

IMPACT TEMPERATURE REDUCTION
Specimen Width Along Notch or Actual Material Thickness
Temperature Reduction , Degrees Colder
in
mm
°F
°C
0.394 10 (standard size) 0 0
0.354 9 0 0
0.315 8 0 0
0.295 7.5 (3/4 std. size) 5 3
0.276 7 8 4
0.262 6.67 (2/3 std. size) 10 5
0.236 6 15 8
0.197 5 (1/2 std. size) 20 11
0.158 4 30 17
0.131 3.33 (1/3 std. size.) 35 19
0.118 3 40 22
0.099 2.5 (1/4 std. size) 50 28
Straight line interpolation for intermediate values is permitted.
Referenced Documents

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ASTM A335 P11 alloy pipe

Alloy steel specification, Standard and identification

Alloy Steel pipe contains substantial quantities of elements other than carbon such as nickel, chromium, silicon, manganese, tungsten, molybdenum, vanadium and limited amounts of other commonly accepted elements such as manganese, sulfur, silicon, and phosphorous.

Why bevel a pipe?
Why bevel a pipe?
Beveling can applied to the face of any size or diameter of pipe.
ASTM A335 Chrome Moly Pipe
Alloy Steel Chemical composition
Steel Grade Standard Number Type Chemical composition Other
C Si S P Mn Cr Ni Mo Other ób ós δ5 HB
1Cr5Mo GB1221 Bar 0.15 0.5 0.03 0.035 0.6 4-6 0.6 0.45-0.6 590 390 18
1Cr5Mo GB6479 Pipe 0.15 0.5 0.03 0.035 0.6 4-6 0.45-0.6 Cu:0.25 390-590 195 22 ak J/cm2:118
1Cr5Mo GB9948 Pipe 0.15 0.5 0.03 0.035 0.6 4-6 0.6 0.45-0.6 Cu:0.25 390 195 22 187 Aku J:92
1Cr2Mo GB9948 Pipe 0.15 0.5-1 0.03 0.035 0.3-0.6 2.15-2.85 0.45-0.65 Cu:0.25 390 175 22 179 Aku J:92
12CrMo GB/T3077 Bar 0.08-0.15 0.17-0.37 0.035 0.035 0.4-0.7 0.4-0.7 0.3 0.4-0.55 Cu:0.3 410 265 24 179 ψ%:60;Aku2 J:110
12CrMo GB6479 Pipe 0.08-0.15 0.17-0.37 0.035 0.035 0.4-0.7 0.4-0.7 0.4-0.55 Cu:0.25 410-560 205 21 ak J/cm2:69
12CrMo GB9948 Pipe 0.08-0.15 0.17-0.37 0.035 0.035 0.4-0.7 0.4-0.7 0.3 0.4-0.55 Cu:0.25 410-560 205 21 156 Aku J:55
12CrMoG GB5310 Pipe 0.08-0.15 0.17-0.37 0.03 0.03 0.4-0.7 0.4-0.7 0.3 0.4-0.55 Cu:0.2 410-560 205 21 Akv J:35
12Cr1MoV GB/T3077 Bar 0.08-0.15 0.17-0.37 0.035 0.035 0.4-0.7 0.9-1.2 0.3 0.25-0.35 V:0.15-0.3;Cu:0.3 490 245 22 179 ψ%:50;Aku2 J:71
12Cr1MoVG GB5310 Pipe 0.08-0.15 0.17-0.37 0.03 0.03 0.4-0.7 0.9-1.2 0.3 0.25-0.35 V:0.15-0.3;Cu:0.2 470-640 255 21 Akv J:35
12Cr1MoVg GB713 Plate 0.08-0.15 0.17-0.37 0.03 0.03 0.4-0.7 0.9-1.2 0.3 0.25-0.35 Cu:0.3 440 245 19 Akv J:31
12Cr2Mo GB6479 Pipe 0.08-0.15 0.4-0.7 0.035 0.035 0.5 2-2.5 0.9-1.2 Cu:0.25 450-600 280 20 ak J/cm2:48
12Cr2MoG GB5310 Pipe 0.08-0.15 0.5 0.03 0.03 0.4-0.7 2-2.5 0.3 0.9-1.2 Cu:0.2 450-600 280 20 Akv J:35
15CrMo GB/T3077 Bar 0.12-0.18 0.17-0.37 0.035 0.035 0.4-0.7 0.8-1.1 0.3 0.4-0.55 Cu:0.3 440 295 22 179 ψ%:60;Aku2 J:94
15CrMo GB6479 Pipe 0.12-0.18 0.17-0.37 0.035 0.035 0.4-0.7 0.8-1.1 0.4-0.55 Cu:0.25 440-640 235 21 ak J/cm2:59
15CrMo GB9948 Pipe 0.12-0.18 0.17-0.37 0.035 0.035 0.4-0.7 0.8-1.1 0.3 0.4-0.55 Cu:0.25 440-640 235 21 170 Aku J:47
15CrMoG GB5310 Pipe 0.12-0.18 0.17-0.37 0.03 0.03 0.4-0.7 0.8-1.1 0.3 0.4-0.55 Cu:0.2 440-640 235 21 Akv J:35
15CrMog GB713 Plate 0.12-0.18 0.15-0.4 0.03 0.03 0.4-0.7 0.8-1.2 0.3 0.45-0.6 Cu:0.3 450-590 295 19 Akv J:31
15CrMoR GB6654 Plate 0.12-0.18 0.15-0.4 0.03 0.03 0.4-0.7 0.8-1.2 0.3 0.45-0.6 Cu:0.3 450-590 295 19 Akv J:35

Standards for Alloy pipes & tubes

ASTM A213 T91
ASTM A213M-09
for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
ASTM A333 Grade 6 alloy pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation.
ASTM A333
Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service and Other Applications.
ASTM A335 P22 is the part of ASTM A335, the pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding.
ASTM A335
Astm A335 standard specication for seamless ferritic alloy-steel pipe for high-temperature service
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EN 10216 is a European standard suitable for seamless steel tubes for pressure purposes.

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The main steel grade:
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  • Other grades of steel pipe can be provided based on negotiations.


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