Sandvik Materials Technology is a developer and producer of advanced stainless steels, special alloys, titanium and other high-performance materials

Control lines and chemical injection lines

Control lines and chemical injection lines in austenitic stainless steel and duplex stainless steel. Sandvik's range includes control lines and chemical injection lines in seamless or welded condition.

Services

Sandvik offers a quick and effective solution whether the order is for straightforward, cut to length lines or a group of lines, encapsulated, flushed and filled, supplied on customer's own reels and delivered direct to site.

Sandvik also provides coiled tubing for umbilicals.

Services

Sandvik's service center in Houston (TX), US holds extensive seamless coiled tube and laser welded tube stocks for control lines and chemical injection lines to ensure just-in-time deliveries. It also operates a complete package of additional services:

  • Cut to length
  • Hydrotesting
  • Paint striping
  • Encapsulation
  • Flush and fill (acc. to Nas Class 6)
  • Level wound on reels
  • Customer specified packaging
  • Direct delivery to site

Packing standards

  • Coils wound on wooden spools
  • Coils wound on customer-specific metal reels
  • Full package marking service, customer specific

Seamless control lines and chemical injection lines

The tables show materials, sizes and approvals for control lines and chemical injection lines in seamless condition.

Materials* (including nominal chemical composition)
Grade UNS C max. Cr Ni Mo N Others
TP 316L S31600/S31603 0.030 17.5 13 2.1 - -
Alloy 825 N08825 0.030 20 38.5 2.6 - Cu=1.7, Ti=0.7
Sanicro 28 N08028 0.020 27 31 3.5 - Cu=1.0
Sandvik SAF 2205 S31803/S32205 0.030 22 5 3.2 0.18 -
Sandvik SAF 2507 S32750 0.030 25 7 4 0.3 -

* All materials are supplied in the solution annealed condition. Other grades can be offered on request.

Mechanical properties1)
Grade Yield strength,
psi (MPa)
Tensile strength,
psi (MPa)
Elongation
%
TP 316L 32,000 (220) 75,000 (515) 35
Alloy 825 35,000 (240) 80,000 (550) 30
Sanicro 28 32,000 (220) 100,000 (690) 40
Sandvik SAF 2205 70,000 (485) 99,000 (680) 25
Sandvik SAF 2507 80,000 (550) 116,000 (800) 25

1) All materials in the solution annealed condition

Corrosion properties
Grade UNS PRE1) CPT2) o
F (
oC)
Max. H2S3 psi CO24)
TP 316L S31600/S31603 24 95 (35) No Limit +
Alloy 825 N08825 29 140 (60) No Limit ++
Sanicro 28 N08028 39 150 (65) No Limit ++
Sandvik SAF 2205 S31803/S32205 >35 150 (65) 1.5 +
Sandvik SAF 2507 S32750 >42.5 195 (90) 3 ++

1) PRE = (%Cr) + 3.3 (%Mo) +16 (%N)
2) Critical Pitting Temperature in neutral solution with approximately 3% chlorides
3) Per NACE MR0175 / ISO 15156 for downhole control lines in the solution annealed condition
4) General resistance to CO2 corrosion. '++' indicates better resistance than '+'

Sizes and single coil lengths
Outside diameter Wall thickness Max single coil length (TP 316L) Max single
coil length (A825)
Max LLBW1) 2)
in. in. m ft m ft m ft
1/4 0.035 252 827 640 2,100 29,000 95,149
1/4 0.049 192 630 488 1,601 22,000 72,182
1/4 0.065 158 518 401 1,316 18,000 59,058
3/8 0.035 159 522 404 1,326 18,000 59,058
3/8 0.049 118 387 300 984 14,000 45,934
3/8 0.065 94 308 239 784 11,000 36,091
3/8 0.083 78 256 199 653 9,000 29,529
1/2 0.035 116 381 296 971 13,000 24,653
1/2 0.049 85 279 217 712 10,000 32,810
1/2 0.065 67 220 171 561 7,500 24,608
1/2 0.083 55 180 139 456 6,000 19,686
5/8 0.035 92 302 234 767 10,750 35,271
5/8 0.049 67 220 171 561 7,500 24,608
5/8 0.065 52 171 131 430 6,100 20,014
5/8 0.083 25 82 25 82 5,000 16,405
3/4 0.035 25 82 25 82 - -
3/4 0.049 25 82 25 82 - -
3/4 0.065 25 82 25 82 - -
3/4 0.083 25 82 25 82 - -

1) Long length butt welded
2) For 3/4 in. OD single coils can be made. Contact us for complete details.

Approvals

  • ISO 9001:2000
  • ISO 14001:2004
  • OHSAS 18001
  • PED 97/23/EC
  • ANSI NACE MR 0175 / ISO 15156

Welded control lines and chemical injection lines

The tables show materials, sizes and approvals for control lines and chemical injection lines in welded condition.

Materials* (including nominal chemical composition)
Grade UNS C
max.
Cr Ni Mo Others
TP 316L S31600/S31603 0.030 17.5 13 2.1 0.1
Alloy 825 N08825 0.030 20 38.5 2.6 Cu=1.7, Ti=0.7
Alloy 625 N6625 0.10 21.5 >=58 9 Nb=3.5

*All materials are supplied in the solution annealed condition. Other grades can be offered on request.

Mechanical properties1)
Grade Yield strength,
psi (MPa)
Tensile strength,
psi (MPa)
Elongation
%
TP 316L 32,000 (220) 75,000 (515) 35
Alloy 825 35,000 (240) 80,000 (550) 30
Alloy 625 60,000 (415) 110,000 (760) 30

1) All materials in the solution annealed condition

Corrosion properties
Grade UNS PRE1) CPT2) F (oC) Max H2S3) psi CO24)
TP 316L S31600/S31603 24 95 (35) No limit +
Alloy 825 N08825 29 140 (60) No limit ++
Alloy 625 N06625 52 195 (90) No limit ++

1) PRE = (%Cr) + 3.3 (%Mo) +16 (%N)
2) Critical Pitting Temperature in neutral solution with approximately 3% chlorides
3) Per NACE MR0175 / ISO 15156 for downhole control lines in the solution annealed condition
4) General resistance to CO2 corrosion. '++' indicates better resistance than '+'

Size range (in.)

The table shows stock standard sizes. Other sizes can be offered on request.

OD WT OD WT OD WT OD WT OD WT
1/4 0.035 3/8 0.035 1/2 0.035 5/8 0.035 3/4 0.035
1/4 0.049 3/8 0.049 1/2 0.049 5/8 0.049 3/4 0.049
1/4 0.065 3/8 0.065 1/2 0.065 5/8 0.065 3/4 0.065
- - 3/8 0.083 1/2 0.083 5/8 0.083 3/4 0.083

OD = Outside diameter, WT = Wall thickness

Approvals

  • ISO 9001:2000
  • Intertek
  • MGMT. SYS. RvA 050
  • ANAB

Encapsulation materials

Sandvik offers a wide range of encapsulation materials. The most frequent ones can be found in the table below. Other encapsulation materials can be offered upon request.

Material rating on a scale of 1 to 5 (1=not good, 5=excellent)

Materials Max temp.
oF (Co)
Abrasion resistance Resistance to inhibited brine well fluids Resistance to
oil/diesel well fluids
Polypropylene 150 (65) 2 5 3
Nylon 11 200 (93) 4 3 3
PVC 174 (79) 3 2 3
TPV 275 (135) 3 5 3
Halar 300 (149) 4 4 5
PVDF 310 (154) 4 3 5
MPH340G 340 /171) 4 4 5

Pressure tables

Selection of the appropriate material for any given control or chemical injection line is subject to the prevailing operational and site conditions. In order to assist in the selection, the following tables provide internal pressure ratings and the adjustments factors for a range of common grades and sizes of seamless and laser welded stainless tubing.

Maximum pressure (P) for TP 316L at 100°F (38°C)1)

Please refer to grade and product form adjustment factors below.

Outside diameter, in. Wall thickness, in. Working pressure2)
psi (MPa)
Burst pressure2)
psi (MPa)
Collapse pressure4)
psi (MPa)
1/4 0.035 6,600 (46) 22,470 (155) 6,600 (46)
1/4 0.049 9,260 (64) 27,400 (189) 8,710 (60)
1/4 0.065 12,280 (85) 34,640 (239) 10,750 (74)
3/8 0.035 4,410 (30) 19,160 (132) 4,610 (32)
3/8 0.049 6,170 (43) 21,750 (150) 6,220 (43)
3/8 0.065 8,190 (56) 25,260 (174) 7,900 (54)
3/8 0.083 10,450 (72) 30,050 (207) 9,570 (66)
1/2 0.049 4,630 (32) 19,460 (134) 4,820 (33)
1/2 0.065 6,140 (42) 21,700 (150) 6,200 (43)
1/2 0.083 7,840 (54) 24,600 (170) 7,620 (53)
5/8 0.049 3,700 (26) 18,230 (126) 3,930 (27)
5/8 0.065 4,900 (34) 19,860 (137) 5,090 (35)
5/8 0.083 6,270 (43) 26,910 (151) 6,310 (44)
3/4 0.049 3,080 (21) 17,470 (120) 3,320 (23)
3/4 0.065 4,090 (28) 18,740 (129) 4,310 (30)
3/4 0.083 5,220 (36) 20,310 (140) 5,380 (37)

1) Estimates only. Actual pressures should be calculated considering all stress factors in the system.
2) Based on calculations from API 5C3, using a wall tolerance of +/-10%
3) Based on ultimate strength burst calculations from API 5C3
4) Based on yield strength collapse calculations from API 5C3

Adjustment factors for working pressure limits1)

Pw = reference working pressure rating for TP 316L at 100°F (38°C). To determine working pressure for grade/temperature combination, multiply Pw by adjustment factor.

Grade 100°F
(38
°C)
200°F
(93°C)
300°F
(149°C)
400°F
(204°C)
TP 316L, seamless 1.00 0.87 0.70 0.63
TP 316L, welded 0.85 0.74 0.60 0.54
Sandvik SAF 2205, seamless 2.17 2.00 1.77 1.60
Sandvik SAF 2205, welded 1.84 1.70 1.50 1.36
Alloy 825, seamless 1.33 1.17 1.10 1.03
Alloy 825, welded 1.13 1.99 1.94 0.88
Sandvik SAF 2507, seamless 2.67 2.33 2.17 1.70
Sandvik SAF 2507, welded 2.27 1.98 1.84 1.45

1) Adjustment factors based on allowable stress in ASME.
Example: The maximum factors allowable working pressure for seamless 1/2 x 0.049 in. Sandvik SAF 2507 tubing at 100°F (38°C) can be calculated as:
4,630 psi – Pressure rating for TP 316L at 100°F (38°C)
x 2.67 – Adjustment factor for Sandvik SAF 2507, seamless at 100°F (38°C)
12,362 psi – Working pressure rating for Sandvik SAF 2507 tubing

Adjustment factors for burst pressure limits1)

Pb = reference burst pressure for TP 316L at 100°F. To determine burst pressure for grade/temperature combination, multiply Pb by adjustment factor.

Grade 100°F
(38
°C)
200°F
(93°C)
300°F
(149°C)
400°F
(204°C)
TP 316L, seamless 1.00 0.93 0.87 0.80
TP 316L, welded 0.85 0.79 0.74 0.68
Sandvik SAF 2205, seamless 1.71 1.33 1.20 1.07
Sandvik SAF 2205, welded 1.45 1.13 1.02 0.91
Alloy 825, seamless 1.13 1.07 1.00 0.87
Alloy 825, welded 0.96 0.91 0.85 0.74
Sandvik SAF 2507, seamless 1.97 1.75 1.57 1.35
Sandvik SAF 2507, welded 1.64 1.47 1.31 1.13

1) Adjustment factors based on ultimate strength in ASME.
Example: The maximum factors burst pressure for seamless 3/8 x 0.049 in. Sandvik SAF 2507 tubing at 200°F (93°C) can be calculated as:
21,750 psi – burst pressure rating for TP 316L at 100°F (38°C)
x 1.73 – Adjustment factor for Sandvik SAF 2507, seamless at 200°F (93°C)
37,627 psi – burst pressure rating for Sandvik SAF 2507 tubing

Adjustment factors for collapse pressure limits1)

Pc = reference collapse pressure rating for TP 316L at 100°F (38°C). To determine collapse pressure for grade/temperature combination, multiply Pc by adjustment factor.

Grade 100°F
(38
°C)
200°F
(93°C)
300°F
(149°C)
400°F
(204°C)
TP 316L, seamless 1.00 0.87 0.70 0.63
TP 316L, welded 0.85 0.74 0.60 0.54
Sandvik SAF 2205, seamless 2.17 2.00 1.77 1.60
Sandvik SAF 2205, welded 1.84 1.70 1.50 1.36
Alloy 825, seamless 1.33 1.17 1.10 1.03
Alloy 825, welded 1.13 0.99 0.94 0.88
Sandvik SAF 2507, seamless 2.67 2.33 2.17 1.70
Sandvik SAF 2507, welded 2.27 1.98 1.84 1.45

1) Adjustment factors based on yield strength in ASME.
Example: The maximum factors collapse pressure for seamless 1/4 x 0.035 in. Alloy 825 tubing at 200°F (93°C) can be calculated as:
6,600 psi – Collapse pressure rating for ASTM 316L at 100°F (38°C)
x 1.17 – Adjustment factor for Alloy 825 seamless at 200°F (93°C)
7,722 psi – Collapse pressure rating for Alloy 825 tubing

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