Wolff is a renowned manufacturer of wrought steel buttweld fittings, utilising materials such as stainless steel, carbon steel, alloy steel, and special alloys.
Our buttweld fittings are produced according to international standards for demanding high-pressure uses in challenging environments like the oil and gas and petrochemical sectors.
With modern equipment and a highly skilled workforce, we ensure top-tier product quality, efficiency, and reliability. This, combined with our steadfast quality management system, delivers a superior product for our customers.
CARBON STEEL
Size Range - Seamless
1/2" (15 NB) through 24" (600 NB)
Size Range - Welded
1/2" (15 NB) through 48" (1200 NB)
Schedule Range
STD, 40, XH, XS, 60, 80, 100, 120, 140, 160, XXH, XXS
Specification
ASTM
ANSI
ASME
MSS
JIS
DIN/EN
Type
ELBOW
TEE
REDUCER
END CAP
CROSS TEE
STU BENDS
AS PER DRAWINGS
Grade
Carbon Steel
ASTM A/ASME SA234 WPB
ASTM A234 WPC
ASTM A/ASME SA420 WPL6
ASTM A/ASME SA860 WPHY42
ASTM A/ASME SA860 WPHY52
ASTM A/ASME SA860 WPHY60
ASTM A/ASME SA860 WPHY65
ALLOY STEEL
Size Range - Seamless
1/2" (15 NB) through 24" (600 NB)
Size Range - Welded
1/2" (15 NB) through 48" (1200 NB)
Schedule Range
STD, 40, XH, XS, 60, 80, 100, 120, 140, 160, XXH, XXS
Specification
ASTM
ANSI
ASME
MSS
JIS
DIN/EN
Type
ELBOW
TEE
REDUCER
END CAP
CROSS TEE
STU BENDS
AS PER DRAWINGS
Grade
Alloy Steel
ASTM A/ASME SA234 WP1
ASTM A/ASME SA234 WP5
ASTM A/ASME SA234 WP9
ASTM A/ASME SA234 WP11
ASTM A/ASME SA234 WP12
ASTM A/ASME SA234 WP22
ASTM A/ASME SA234 WP91
Size Range - Seamless
1/2" (15 NB) through 24" (600 NB)
Size Range - Welded
1/2" (15 NB) through 48" (1200 NB)
Schedule Range
SCH 5S to SCH XXS
Specification
ASTM
ANSI
ASME
MSS
JIS
DIN/EN
Type
ELBOW
TEE
REDUCER
END CAP
CROSS TEE
STU BENDS
AS PER DRAWINGS
Grade
ASTM A/ASME SA403 WP304/304L, 304H
ASTM A/ASME SA403 WP316/316L, 316H, 316Ti
ASTM A/ASME SA403 WP317L
ASTM A/ASME SA403 WP321/321H
ASTM A/ASME SA403 WP347/347H
1.4301, 1.4307, 1.4948, 1.4401, 1.4404, 1.4918, 1.4571, 1.4438, 1.4541, 1.4940, 1.4550, 1.4912, S31803, S32205, S32550, S32750
A comprehensive catalog containing the following details:
Company information
Product description
Dimensions
Weights
Raw material grades
Contacts