Piping Division

Piping Department of OSTech Group is proud to provide our valuable clients with almost all applicable elements in pipelines and pipe networks including but not limited to: Pipes, Fittings, Flanges, Spectacle blinds, Spades, Spacers and Drip rings in a wide range of Working pressure/ANSI Class, Construction and Material to convey diversity of media for sour and corrosive, acidic and normal services as below:

1. Pipes: Line Pipes, Process Pipes, Drilling Pipes
2. Tubes: Heat Exchanger and Condenser Tubes
3. Flanges: Weld Neck, Slip on, Blind, Lap Joint, Threaded, etc
4. Special Flanges: Anchor Flanges, Long Weld Necks, Nipolet Flange, Weldolet Flange, Orifice Flange, etc.
5. Fitting: Socket Weld, Threaded (NPT, BSP, etc.)
6. Spectacle Blinds, Spades, Spacer and Drip Rings.
7. Profile Jobs as per Customer Requirements.

Pipes

Line and Process Pipes

Construction:

• Seamless
• ERW
• SAW
• EFW

Material:

• Carbon Steel :
  A53/A106/API5LGR.B/X42/X52/X60
  A53/API5LGR.B/X46/X52/X60/X65/X70
  A671/A672/ CC60/CC70 etc…
• Stainless Steel:
  A312/A213/A358/ Gr. 304/304L & 316/316L and more
• Nickel Alloys
  Monel 400 & 500, Inconel 600 & 625, Incoloy 800, 825, Hastelloy C22, C276

Size Range:

• NB 1/4″ to NB 100″

Drilling Pipes and Collars

Size Range:

• 2-3/8″ to 6-5/8″

Grades:

• E-75, X-95, G-105, S-135

Tubes

Application:

• Heat Exchangers
• Condensers

Construction:

• Solid
• Serrated
• Fin
• Custom spec. and Bend

Size Range:

• OD 1/4″ to 8.625″

Material:

• Carbon Steel
  SA / A179, SA/A192, SA/A210 (A-1, C), SA/ A53 (TYPE S SEAMLESS A, B)
  SA/A106 (A,B,C), API (J55, N80, L80)
• Alloy Steel
  SA/A213 – T2, T5, T5b, T5c, T9, T11, T12, T17, T21, T22, T23, T24, T91, T92
  SA/A334 – Gr.1, Gr.3, Gr.6, Gr.8, Gr.9, Gr.11
  SA/A333 – Gr.1, Gr.3, Gr.4, Gr.6, Gr.7, Gr.9, Gr.10, Gr.11
  SA/A335 – Grade P1, P2, P5, P5b, P5c, P9, P11, P12, P15, P21, P22, P23

Copper and Copper Alloy

• Copper: C1100, C1200, C1220
  Copper Nickel: C70600, C71500
  Aluminum Brass: C68700
  Admiralty Brass: C44300
  Brass: C2600, C2700, C2200
• Nickel Alloy
  N06600, N06625, N06690, N08800, N08825, N04400, N10276
• Duplex
  S31803, S32205, S32750, S31254

Flanges

Type of Flanges:

• Welding Neck Flange,
• Slip on Flange,
• Blind Flange,
• High Hub Blind Flange,
• Socket Weld Flange,
• Lap Joint Flange,
• Threaded Flange,
• Ring Type Joint (RTJ) Flange,
• Orifice Flanges

Standards:

• ASME/ANSI B16.5
• ASME/ANSI B16.47 (Series A & B)
• ASME/ANSI B 16.36
• DIN: DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
• B.S: BS 4504, BS4504, BS1560

Pressure Rating:

• # 150 – #2500

Size Range (NB):

• 1/2″ To 80″ and also Custom Spec.

Material Grade:

• Carbon Steel: ASTM A105, A350 LF2
• Alloy Steel: ASTM A182 F1, F5, F9 F11, F22, F91
• Stainless Steel: ASTM A182 F304, F304L, F304H, F316, F316L, F316Ti, F310, F310S, F321, F321H, F317, F347, F347H, F904L.
• Duplex Stainless Steel: UNS S31803, UNS S32750
• Nickel Alloys: Monel 400 & 500, Inconel 600 & 625, Incoloy 800, 825, Hastelloy C22, C276

Special Flanges

Fittings

• Elbows,
• Tees (Straight and Reducing)
• Couplings
• Half Couplings
• Caps
• Plugs and Bushing
• Crosses
• Laterals
• Street Elbows & Inserts
• O’lets.

In Accordance with:

• ASME B16.11 / DIN / EN

Material Grade:

• Carbon Steel: ASTM A105,A350 LF2
• Alloy Steel: ASTM A182 F1, F5, F9 F11, F22, F91
• Stainless Steel: ASTM A182 F304, F304L, F304H, F316, F316L, F316Ti, F310, F310S, F321, F321H, F317, F347, F347H, F904L.
• Duplex Stainless Steel: UNS S31803, UNS S32750
• Nickel Alloys: Monel 400 & 500, Inconel 600 & 625, Incoloy 800, 825, Hastelloy C22, C276

Size Range:

• 1/4″ up to 80″

Pressure Rating:

• Up to # 9000

Spectacle Blinds, Spades, Spacer and Drip Rings.

Dimensional Standard:

• API 590 & ASTM B16.48 or Custom Spec.

Size:

• 1/4″ up to 80″ and Custom Spec.

Pressure Rating:

• 150# to 2500#.

Material Grade:

• Stainless Steel: ASTM A182 F304, F304L, F304H, F316, F316L, F316Ti, F310, F310S, F321, F321H, F317, F347, F347H, F904L.
• Duplex Stainless Steel: UNS S31803, UNS S32750
• Carbon Steel: ASTM A105, A350 LF2, A516 Gr. 60 / 65 / 70
• Alloy Steel: ASTM A182 F1, F11, F22, F5, F9
• Nickel Alloys: Monel 400 & 500, Inconel 600 & 625, Inconel 800, 825, Hastelloy C22, C27