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We offer wide range of precision engineered weld on hub that is manufactured from qualitative raw material. Our range of weld on hubs is available in different styles are used for welding to produce sprockets. We also have in-house design unit and sophisticated machines that enables us to offer weld on hub in various dimensions and technical specifications.

Weldo Flange / Nipo Flange

A Nipoflange is a combination of weldolet, nipolet and flange & widely used in the pipe industry like a weldolet or a nipolet for a 90° branch connection

Material Grades: ASTM A105N ASTM A350 LF2

Nickel Alloy
ASTM / ASME SB 564 UNS 2200 ( NICKEL 200 ), UNS 4400 (MONEL 400 ), UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600 ), UNS 6601 ( INCONEL 601 ), UNS 6625 (INCONEL 625), UNS 10276 ( HASTELLOY C 276) ASTM / ASME SB 160UNS 2201 (NICKEL 201 ) ASTM / ASME SB 472UNS 8020 ( ALLOY 20 / 20 CB 3)

Copper Alloy
ASTM / ASME SB 61 UNS NO. C 92200 & ASTM / ASME SB 62 UNS NO. C 83600.
ASTM / ASME SB 151 UNS NO.70600, 71500, C 70600 ( CU -NI- 90/10), C 71500 ( CU -NI- 70/30), ASTM / ASME SB 152 UNS NO C 10100, C 10200, C 10300, C 10800, C 12000, C 12200.

Stainless Steel
ASTM / ASME SA 182 F304, 304L, 304H, 309H, 310H, 316, 316H, 316L, 316 LN, 317, 317L, 321, 321H, 347, 347 H.

Duplex Steel
ASTM / ASME SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61. 

Carbon Steel
ASTM / ASME A 105.
ASTM / ASME A 350 LF 2.

Alloy Steel
ASTM / ASME A 182 GR F 5, F 9, F 11, F 12, F 22, F 91. 

Nickel Alloy Weldolet Standard :

• ASTM / ASME SB 564 / 160 / 472
• Nickel 200 Weldolet – UNS N02200
• Nickel 201 Weldolet – UNS N02201
• Monel 400 Weldolet – UNS N04400
• Monel K500 Weldolet – UNS N05500
• Inconel K600 Weldolet – UNS N06600
• Inconel 601 Weldolet – UNS N06601
• Inconel 625 Weldolet – UNS N06625
• Inconel 800 Weldolet – UNS N08800
• Inconel 800H Weldolet – UNS N08810
• Inconel 825 Weldolet – UNS N08825
• Hastelloy C276 Weldolet – UNS N10276
• Alloy 20 Weldolet – UNS N08020

Dimensions

Type of Olets	nipoflange
Size	1/8" (6 NB) to 20" (500NB)
Standard	MSS SP-97
Class	3000LB（SCH40，SCH80，STD，XS） 6000LB（SCH160，XXS）
Material	Grade
Carbon Steel	ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F70
Stainless Steel	ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Alloy Steel	ASTM / ASME A/SA 182 F12, A182 F11, A182 F22, A182 F5, A350 LF2, A350 LF3

Main Export Market

• Eastern Europe
• North America
• Mid East/Africa
• Central/South America
• Asia
• Western Europe
• Australasia
• UAE

Sales Locations

U.A.E,
Oman,
Saudi Arabia,
Qatar,
Bahrain,
Egypt,
Turkey
Singapore,
Thailand,
Malaysia
Indonesia
Poland
Italy
Portugal
Spain
Brazil
Chile
Venezuela
Costa Rica
USA
Canada
Angola
Sri Lanka
Russia