ASTM A333 저온 파이프

ASTM A333: American Society for Testing and Materials
Seamless Steel Pipe for Low-Temperature Service
Sizes: 1/8″ to 24”
WT Schedules: SCH 10, SCH 20, SCH 40, SCH STD, SCH 80, SCH XS to SCH 160. SCH XXS
Length: Single Random Length, Double Random Length. 20ft. 40ft
Ends Types: Plain, Beveled

제품 세부 정보

적용 분야: 석유, 가스 및 물 공급; 정유, 보일러 및 기계 장비 제조업체; 구조물 건설; 시추, 선박 건조 등

Element컴포지션, %
Grade 1Grade 3Grade 4Grade 6Grade 7Grade 8Grade 9Grade 10Grade 11
Carbon, max0.300.190.120.300.190.130.200.200.10
망간0.40-1.060.31-0.640.50-1.050.29-1.060.90 max0.90 max0.40-1.061.15-1.500.60 max
Phosphorus, max0.0250.0250.0250.0250.0250.0250.0250.0350.025
Sulfur, max0.0250.0250.0250.0250.0250.0250.0250.0150.025
실리콘0.18-0.370.08-0.370.10 min0.13-0.320.13-0.320.10-0.350.35 max
니켈3.18-3.820.47-0.980.40 min2.03-2.578.40-9.601.60-2.240.25 max35.0-37.0
크롬0.44-1.010.30 max0.15 max0.50 max
Copper0.40-0.750.40 ,ax0.75-1.250.15 max
알루미늄0.04-0.300.06 max
Vanadium, max0.080.12
Niobium, max0.020.050.50 max
Molybdenum, max0.120.05
Cobalt0.50 max

 

Tensile Requirements

Grade 1Grade 3Grade 4Grade 6Grade 7Grade 8Grade 9Grade 10Grade 11
psiMpapsiMpapsiMpapsiMpapsiMpapsiMpapsiMpapsiMpapsiMpa
Tensile strength, min5500038065000450600004156000041565000450100000690630004358000055065000450
Yield strength, min300002053500024035000240350002403500024072000515460003156500045035000240
Longi-tudinalTrans-verseLongi-tudinalTrans-verseLongi-tudinalTrans-verseLongi-tudinalTrans-verseLongi-tudinalTrans-verseLongi-tudinalTrans-verseLongi-tudinalTrans-verseLongi-tudinalTrans-verseLongi-

tudinal

Elongation in 2 in. or 50 mm, (or 4D), min, %:

Basic minimum

Elongation for walls s/e in. [8mm] and over in thickness, strip tests, and for all small sizes tested in full section

352530203016.53016.5302222282218
When standard round 2-in. or50-mm gage length or proportionally

smaller size test

specimen with the gage

length equal to 4D (4 times the diameter) is used

282022142212221222141616
For strip tests, a

deduction for each in. [o.8 mm] decrease in wall thickness below s/e in. [8 mm] from the basic minimum

elongation of the

following percentage

1.751.251.501.001.501.001.501.001.501.001.251.501.255

lmpact Temperature

등급lmpact Test Temperature
1-50-45
3-150-100
4-150-100
6-50-45
7-100-75
8-320-195
9-100-75
10-75-60
11-320-195

 

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