About Us

Unisteel & Engineeringc Co.(P) Ltd. is a force to reckon with in the field of manufacturing and exporting premium quality Flanges in Carbon Steel, Alloy Steel, Stainless Steel, Duplex Stainless Steel and Cupro Nickel and Low Temperature Services. We are based in Mumbai (India), the company has scaled incredible heights in business owing to its innovative products. The company's productivity and clients base is always on an upward swing.

PIPES / TUBES
Seamless Pipes, Tubes –1/2” to 24” Welded Pipes, Tubes – 1/2” to 60”
ASME SA53 Grade B, API 5L Grade B
ASME SA106 Grade A, SA106 Grade B, SA106 Grade C, P265GH EN10216-2
ASME SA179, SA192, SA210 Grade A1, SA210 Grade C, BS3059 Grade 320, 360, 440
ASME SA-179, SA-192, SA210-A1, SA210-C, SA213, BS-3059 Gr.320, Gr.360, Gr.440
ASTM A500, ASTM A513, ASTM A787 Electric Resistance Welding Round, Square, Rectangular Tubing
ASTM A500 Grade B, ASTM A500 Grade C Structural Steel Tubes in Welded (ERW) & Seamless
ASTM A214 / A214M Electric-Resistance-Welded Carbon Steel Heat-Exchanger & Condenser Tubes
ASME SA213 Grade T11/T-11, T12/T-12, T22/T-22, T91/T-91, T92/T-92, T5/T-5, T9/T-9, T1/T-1
ASME SA249 Grade 304, 304L, 304H, 316, 316L, 316H, 316Ti, 317L, 321, 321H, 347, 347H
ASME SA269 Grade 304, 304L, 304H, 316, 316L, 316H, 316Ti, 317L, 321, 321H, 347, 347H
ASME SA213 Grade 304, 304L, 304H, 316, 316L, 316H, 316Ti, 317L, 321, 321H, 347, 347H
ASME SA312 TP304, 304L, 304H, 310S, 316, 316L, 316H, 316Ti, 321, 317L, 321H, 347, 347H
ASME SA333 Grade 1, 3, 4, 6, 7, 8, 9, 10, 11, P265NL EN10216-4 LTCS
ASME SA335 Grade P1, P2, P5, P7, P9, P11, P12, P22, P91, P92
ASME SA335 Grade P-1, P-2, P-5, P-7, P-9, P-11, P-12, P-22, P-91, P-92
API 5L X42, API 5L X46, API 5L X52, API 5L X56, API 5L X60, API 5L X65, API 5L X70,
API 5L X80, API 5L X100 LSAW PSL1, LSAW PSL2, DSAW PSL1, DSAW PSL2,
Submerged Arc Welded, U-O-E (UOE), J-C-O (JCO) Process, FBE, 3LPE, 3LPP Coated
API5LX-42, API5LX-46, API5LX-52, API5LX-56, API5LX-60, API5LX-65, API5LX-70
API5LX-80, API5LX-100 Longitudinal Submerged Arc Welded, High Frequency Welded
PSL 1 LSAW, PSL 2 LSAW, PSL 1 DSAW, PSL 2 DSAW, Submerged Arc Welded
API 5L Grade B LSAW, DSAW, HSAW, SPIRAL WELDED, ERW, HFW PSL1, PSL2
API 5L X-42 LSAW, DSAW, HSAW, SPIRAL WELDED, ERW, HFW PSL1, PSL2 (Sour Service)
API 5L X-46 LSAW, DSAW, HSAW, SPIRAL WELDED, ERW, HFW PSL1, PSL2 (Sour Service)
API 5L X-52 LSAW, DSAW, HSAW, SPIRAL WELDED, ERW, HFW PSL1, PSL2 (Sour Service)
API 5L X-60 LSAW, DSAW, HSAW, SPIRAL WELDED, ERW, HFW PSL1, PSL2 (Sour Service)
API 5L X-65 LSAW, DSAW, HSAW, SPIRAL WELDED, ERW, HFW PSL1, PSL2 (Sour Service)
API 5L X-70 LSAW, DSAW, HSAW, SPIRAL WELDED, ERW, HFW PSL1, PSL2 (Sour Service)
API 5L X-80 LSAW, DSAW, HSAW, SPIRAL WELDED, ERW, HFW PSL1, PSL2 (Sour Service)
API 5L X-100 LSAW, DSAW, HSAW, SPIRAL WELDED, ERW, HFW PSL1, PSL2 (Sour Service)
L245 (Grade B), L290 (Grade X42), L360 (Grade X52), L415 (Grade X60)
L450 (Grade X65), L485 (Grade X70), L555 (Grade X80) PSL-1, PSL-2
ASME SA 671 / ASTM A 671 / ASME SA 672 / ASTM A 672 ELECTRIC-FUSION- WELDED
SA671 Grade CA55, CB60, CB65, CB70, CC60, CC65, CC70, CD70, CD80
SA672 Grade A45, SA672 Grade A50, SA672 Grade A55
SA672 Grade B55, SA672 Grade B60, SA672 Grade B65, SA672 Grade B70
SA672 Grade C55, SA672 Grade C60, SA672 Grade C65, SA672 Grade C70
SA672 Grade D70, SA672 Grade D80
SA672 Grade L65, SA672 Grade L70, SA672 Grade L75