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j.B. Smith products
Swage Nipples, Bull Plugs, Oil Country Fittings,
Couplings, Stainless Swages
Manufacturing Specifcation
J.B. Smith manufactures swage nipples and bull plugs in accordance to the
applicable specifcation, API 5CT, ASTMA234, MSS SP-95. Materials include
ASTM A106, GR B seamless pipe, A-1000 low to medium carbon, fne grain
bar stock, API grades J-55 through N-80 tubing and casing, processed and
heat treated to applicable specifcation requirements. Fitting chemical and
physical properties fall within the ranges listed below.
All fttings are manufactured in the U.S.A.
Traceability
All material purchased by J.B. Smith is fully traceable to the mill source.
A unique JBS material code appears on all products made since the
institution of this program. As a result, mill test reports are now
available at any time on products so coded (See EXTRAS for MTR
charges.)
Pressure Ratings
Due to the wide variation in service conditions, temperature, vibrations,
etc., J.B. Smith Mfg. can make no recommendations as to allowable
working pressure of swage nipples and bull plugs. There are a number
of working pressure formulas from which the end user may choose to
determine the required wall thickness of the piping system. It is our
responsibility only to furnish a ftting with end dimensions equal to
those of the pipe size and schedule ordered.
Material Certifcation – Carbon Steel
J.B Smith certifes that the material used to manufacture line pipe sizes
of swage nipples and bull plugs has be processed to comply with the
requirements of ASTM A234 grade WPB and the chemical and physical
properties of the fttings fall within the ranges listed below.
Marking
All J.B. Smith fttings are permanently marked as follows:
• Manufacturer’s symbol -
• Material Specifcation or Grade
WBP (Line Pipe Sizes)
J-55, K-55, L-80, N-80 (Oil Country Sizes)
• Raw Material Code - Each part is die stamped with unique JBS
material code for traceability to material type, details of purchase
and mill test report.
• Heat Treatment - Heat treatments are performed to ASTM A234
WPB or API 5CT specifcation grade requirement as applicable. Fittings
bear a two letter code provide traceability to fnal heat treatment.
Threading
Line Pipe, Tubing and Casing threads conform to ASME B1.20.1 B or API
5B as applicable.
Oil Country Industry Thread Color Code
Industry Color Codes as follows:
8R - Red 10R - Yellow 10V - Blue 111⁄2 V - Green LP - Silver
Coatings
• Zing Electroplate - ASTM B633 Type III Class III
• Paint (Weld Bevel Ends)
Weld Bevels
Weld bevels are machined per ASME B16.9 specifcations.
Note:
• Fittings made from bar or plate may have 0.35 Max Carbon.
• Fittings made from forgings may have a 0.35 Max Carbon and 0.35 Max Silicon.
• For each reduction of 0.01% below the specifed carbon maximum, an increase of 0.06% manganese above the specifed maximum will be permitted,
up to a maximum of 1.35%.
• The sum of Copper, Nickel Chromium and Molybdenum shall not exceed 1.00%.
• The sum of Chromium and Molybdenum shall not exceed 0.32%.
Chemical and Physical Requirements
API 5CT Material
Chemical Requirements
Grp Gr C Mn Mo Cr Ni Cu P S Si
1 J55 — — — — — — 0.030 Max 0.030 Max —
1 K55 — — — — — — 0.030 Max 0.030 Max —
1 N80 Type1 — — — — — — 0.030 Max 0.030 Max —
2 L80 Type1 0.43 Max 1.90 Max — — 0.25 Max 0.35 Max 0.030 Max 0.030 Max 0.45 Max
Physical Requirements
Grp Gr Total Elongation
under load % Yield Strength ksi Tensile Strength ksi Hardness
1 J55 0.5 55-80 75 — —
1 K55 0.5 55-80 95 — —
1 N80 Type1 0.5 80-110 100 — —
2 L80 Type1 0.5 80-110 95 23 241