ASME B16.11 Threaded Reducing Hex Nipples

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Forged Threaded Reducing Hex Nipples can be produced according to ASME B16.11 standards and are available in various stainless steel grades, including ASTM A182 F316L and F304L, as well as ASTM A105, alloy steel grades, and more. 

Kaizen Steel Industries is a leading manufacturer and exporter of high-quality forged pipe fittings, utilizing the latest technology and an in-house quality control system. We provide materials with full certification, meeting both national and international standards. Additionally, we offer threaded pipe connections and reducing nipples tailored to your specific requirements and quantity needs. 

Kaizen Steel Industries is a trusted supplier of Reducing Hex Nipples, offering a wide range of options to meet diverse industrial needs. Known for delivering high-quality products, Kaizen Steel Industries ensures that all their fittings comply with ASME B16.11 standards. Whether you need standard sizes or customized fittings, Kaizen Steel Industries provides reliable solutions backed by comprehensive certifications, catering to both domestic and international markets.

Please refer to our Reducing Hex Nipple specification and size chart below.

Reducing Nipple Specifications

FamilyThreaded Pipe FittingShapeReducing Hex Nipple
MaterialStainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, Nickel AlloyMakeTII
Size1/8″-4″Thickness3000 Class, 6000 Class
TypeForgedVariation 
FinishShot Blast, Sand Blast, Electro polishEndScrewed
MarkingTII-Specs-Description-Heat No.PackingProtected by Cap

ASME B16.11 Forged Threaded Reducing Hex Nipple Material & Grades

ASME B16.11 Stainless Steel Forged Threaded Hex Nipple ASTM A182 F304, F304L, F306, F316L, F304H, F309S, F309H, F310S, F310H, F316TI, F316H, F316LN, F317, F317L, F321, F321H, F11, F22, F91, F347, F347H, F904L, ASTM A312/A403 TP304, TP304L, TP316, TP316L
Duplex & Super Duplex Steel ASME B16.11 Forged Threaded Hex Nipple ASTM A 182 – F 51, F53, F55 S 31803, S 32205, S 32550, S 32750, S 32760, S 32950.
Carbon Steel ASME B16.11 Forged Threaded Reducing NippleASTM/ ASME A 105, ASTM/ ASME A 350 LF 2, ASTM / ASME A 53 GR. A & B, ASTM A 106 GR. A, B & C. API 5L GR. B, API 5L X 42, X 46, X 52, X 60, X 65 & X 70. ASTM / ASME A 691 GR A, B & C
ASME B16.11 Alloy Steel Forged Threaded Hex NippleASTM / ASME A 182, ASTM / ASME A 335, ASTM / ASME A 234 GR P 1, P 5, P 9, P 11, P 12, P 22, P 23, P 91, ASTM / ASME A 691 GR 1 CR, 1 1/4 CR, 2 1/4 CR, 5 CR, 9CR, 91
ASME B16.11 Copper Alloy Steel Forged Threaded Reducing NippleASTM / ASME SB 111 UNS NO. C 10100 , C 10200 , C 10300 , C 10800 , C 12000, C 12200, C 70600 C 71500, ASTM / ASME SB 466 UNS NO. C 70600 ( CU -NI- 90/10) , C 71500 ( CU -NI- 70/30)
Nickel Alloy Forged Threaded ASME B16.11 Reducing NippleASTM / ASME SB 336, ASTM / ASME SB 564 / 160 / 163 / 472, UNS 2200 (NICKEL 200) , UNS 2201 (NICKEL 201 ) , UNS 4400 (MONEL 400 ) , UNS 8020 ( ALLOY 20 / 20 CB 3 ) , UNS 8825 INCONEL (825) , UNS 6600 (INCONEL 600 ) , UNS 6601 (INCONEL 601) , UNS 6625 (INCONEL 625) , UNS 10276 (HASTELLOY C 276)

Threaded Reducing Hex Nipple Dimensions

threaded-hex-reducing-nipples
Standard Pattern Economic Pattern
SIZE A B L W
mm in mm in mm in mm in
1/4″ 1/8″ 13 0.51 6 0.24 31 1.22 15.1 0.59
3/8″ 1/8″ 14 0.55 7 0.28 34 1.34 18.6 0.73
1/4″ 14 0.55 7 0.28 34 1.34 18.6 0.73
1/2″ 1/8″ 16.5 0.65 8 0.31 36.5 1.44 23 0.91
1/4″ 16.5 0.65 8 0.31 36.5 1.44 23 0.91
3/8″ 16.5 0.65 8 0.31 36.5 1.44 23 0.91
3/4″ 1/8″ 16 0.63 8 0.31 40 1.57 29 1.14
1/4″ 16 0.63 8 0.31 40 1.57 29 1.14
3/8″ 17 0.67 8 0.31 41 1.61 28.5 1.12
1/2″ 17 0.67 8 0.31 41.5 1.63 28.5 1.12
1″ 1/4″ 20 0.79 9 0.35 41 1.61 35.4 1.39
3/8″ 20 0.79 9 0.35 42.5 1.67 35.4 1.39
1/2″ 20 0.79 9 0.35 45 1.77 35.4 1.39
3/4″ 20 0.79 9 0.35 45 1.77 35.4 1.39
1-1/4″ 1/4″ 21 0.83 10 0.39 42 1.65 44.5 1.75
3/8″ 21 0.83 10 0.39 47 1.85 44.5 1.75
1/2″ 21 0.83 10 0.39 49 1.93 44.5 1.75
3/4″ 21 0.83 10 0.39 49 1.93 44.5 1.75
1″ 22 0.87 10 0.39 52 2.05 44.5 1.75
1-1/2″ 1/4″ 20 0.79 10.5 0.41 42.5 1.65 51 2.01
3/8″ 21 0.83 10 0.39 47 1.85 50 1.97
1/2″ 21 0.83 10 0.39 49 1.93 50 1.97
3/4″ 21 0.83 10 0.39 49 1.93 50 1.97
1″ 21.5 0.85 11 0.39 52.5 2.07 50 1.97
1-1/4″ 22 0.87 11 0.43 55 2.17 51 2.01
2″ 3/8″ 23 0.91 11 0.43 52 2.05 61.5 2.42
1/2″ 23 0.91 11 0.43 52 2.05 61.5 2.42
3/4″ 23 0.91 11 0.43 41.5 1.63 61.5 2.42
1″ 23 0.91 11 0.43 53.5 2.11 61.5 2.42
1-1/4″ 23 0.91 11 0.43 56 2.2 61.5 2.42
1-1/2″ 23 0.91 11 0.43 55.5 2.19 61.5 2.42
2-1/2″ 3/4″ 27.5 1.08 13 0.51 64 2.52 78 3.07
1″ 27.5 1.08 13 0.51 63.5 2.5 78 3.07
1-1/4″ 27.5 1.08 13 0.51 63.5 2.5 78 3.07
1-1/2″ 27.5 1.08 13 0.51 63.5 2.5 78 3.07
2″ 27.5 1.08 13 0.51 65.5 2.58 78 3.07
3″ 1-1/2″ 28 1.1 15 0.59 68 2.68 92 3.62
2″ 28 1.1 15 0.59 68.5 2.7 93 3.66
2-1/2″ 28.5 1.12 15 0.59 71 2.8 92 3.62
4″ 2″ 30 1.18 15 0.59 75 2.95 117 4.61
2-1/2″ 30 1.18 15 0.59 75 2.95 117 4.61
3″ 30 1.18 15 0.59 75 2.95 117 4.61

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