Shanghai Changhao High Pressure Pipe Fittings Co., Ltd
Shanghai Changhao International Co., Ltd
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Material Specifications

Our highly-skilled manpower is dedicated to producing the finest quality butt weld pipe fittings, meeting a wide variety of material specifications. Their knowledge and experience of metal properties, welding procedures and quality control have set the pace and standard expected by our customers world-wide.

Commonly fabricated materials and specifications are:

Stainless Steel
ASTM A-403 et ASME SA-403, 304, 304L, 304H, 304N, 304LN, 316, 316L, 316H, 316N, 316LN, 309, 310, 317, 317L, 321, 321H, 347 et 347H UNS 31254 (254SMo)

Nickel and Nickel Alloys
ASTM B-366 & ASME SB-366, Nickel 200 & 201 (WPN & WPNL), Monel 400 (WPNC), Inconel 600 (WPNCI), Incoloy 800 (WPNIC), Incoloy 825 (WPNICMC), Alloy 20 (WP 20 CB), Hastelloy, C-276,C-4, C-22

ASTM A-234 & ASME SA-234,WP-5, WP-11, WP-22, WP-9, WP-91

ASTM B-361, 66061, 5083, 5086

ASTM B-363 & ASME SB-363, WPT2, WPT7, WPT12

Carbon Steel
High-yield low temperature
MSS-SP-75, CSA 245, ASTM A-420, ASTM A-860, ASTM A-234 & ASME SA-234 Tees & reducing tees, WPB,

WPC Duplex and super duplex
ASTM A-815 & ASME SA-815, UNS 31803, UNS 32750, UNS 32760, UNS 32755, UNS-S 32550

Clad Fittings (CLAD)
To end users specifications

Size Range: 6" (15.24cm) to 60" (152.40cm) SCH 5 - SCH 160

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