K&L Industries - Pipe & Fittings

K&L Industries operates as a cross-border industrial supply powerhouse for steel pipes, forged fittings, butt weld fittings, and forged flanges — engineered for energy, petrochemical, infrastructure, and heavy industry projects.

We do not resell materials. We control production, compliance, and performance integrity at factory level.

Global Standards. Engineered Compliance.

All materials are manufactured and delivered in strict accordance with international standards, including:

ANSI / ASME • API • DIN • BS • JIS • GOST • AWWA • SABS • AS / Certification and traceability are integrated into every shipment 

Scope of Supply - Forged Flanges

1.) Forged Flanges : SIZE: 1/2"-192"; DN15-DN4800 / MATERIAL: Carbon Steel: ASTM A105,A105N, SS400, P235GH,P250GH,C22.8,Q235, 20#, 16Mn

Low-temperature Steel: A350 LF2 / Stainless Steel: ASTM A182 F304,F304L,F316, F316L,F321,F347,F310,F44,F51  / Alloy Steel: ASTM A694 F42,F46,F52,F56, F60,F65,F70
A182 F5,F9,F91,F12,F11,F22

 

STANDARDS: ANSI/ASME B16.5, B16.47, B16.48, AWWA C207, API 6A/6B/6BX, DIN 2527, DIN 2573, DIN 2576, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2566, DIN 2642, EN 1092, BS 4504, JIS B2220, GOST 12820, GOST 12821, SABS 1123, AS 1219, etc.

 

Butt Weld Fittings

 

SIZE: 1/2"-72" ; DN15-DN1800 

STANDARDS:

 

ASME/ANSI B16.9, ASME/ANSI B16.25,ASME/ANSI B16.28, EN 10253-1,EN 10235-2, EN 10253-4

DIN2605, DIN2509, DIN2615, DIN2616,DIN2617, DIN28011, MSS SP-75, MSS SP-43, GOST 17375, GOST 17376, GOST 17378, GOST 17379, GOST 17380, GOST 30753, JIS B2311, JIS B2312, JIS B2313, JIS B2316,ISO 3419, ISO 5251, ISO 15590

 

MATERIALS: Carbon steel: ASTM A234 WPB/WPC/WP11/WP22/WP5/WP9/WP91, GB 20#, GB Q235, EN P235GH, EN P265GH,

Stainless steel: ASTM A403 WP304/ 304L/ 316/ 316L/ 321, EN 1.4301/ 1.4404/ 1.4541, GB 0Cr18Ni9/ 00Cr17Ni14Mo2/ 1Cr18Ni9Ti

Alloy steel: ASTM A234 WP1/ WP5/ WP9/ WP11, GB 16Mn/ 15CrMo/ 12Cr1MoV /EN 13CrMo4-5/ 10CrMo9-10

Low-temperature steel: ASTM A420 WPL6/WPL3, GB 09MnNiDR

Duplex Stainless Steel:

ASTM A815 UNS S31803/ S32750 EN 1.4462/ 1.4501

 

Types
Elbows (45°/ 90% 180°) Long/Short
Tees (Equal/Reducer/Lateral/Barred)
Reducers (Concentric/Eccentric)
Caps
Bends (3D,5D,7D,10D, etc)
Crosses
Stub Ends
Insulation Joint
Saddles

Forged Fittings

SIZE: 1/2"-24"; DN15-DN600

STANDARDS: ASME/ANSI B16.5 ASME B16.11 ASME B16.34 EN10241

JIS B2316 JIS B2302 MSS SP-83 MSS SP-97

Types: Socket Weld Pipe Fittings & Threaded Pipe Fittings:

Elbows(45°/ 90°),

Tee, Cap, Cross, Union, Coupling, Olet, Boss, Nipple, Bushing

 

 

 

 

MATERIALS:

Carbon Steel:
ASTM A105, ASTM A694 F42/ F52/ F60, GB 20#, Q235B
EN C22.8, EN 10222-2 Low-temperature steel: ASTM A350 LF2
Stainless Steel:
ASTM A182 F304/F304L/F316/ F361L/F321/F51/F53/F6a
EN 10222-5
Alloy Steel:
ASTM A182 F11/ F22/ F91, Inconel 625,
EN 10222-4

 

 

 

Steel Pipes 

Types: ERW Pipes - SSAW Pipes - LSAW Pipes - Seamless Pipes Galvanized Pipes Diameter: 21.3mm-1020mm or as your require

Length: 4m-12m, fixed length available

STANDARDS: ASTM A335, ASTM A500 - ASME B36.10M, ASME B36.19M - API 5L, API 5CT - DIN 1629, DIN 2448 - EN 10210,EN 10216,EN 10217,EN 10297,EN 10088 ISO 3183, ISO 4200 - GB/T 8162, 8163, 3087, 5310, 12771 - JIS G3454, JIS G3459, JIS G3460, JIS G3463, GOST 8732, GOST 10705,

NACE MR0175/ISO 15156

MATERIALS:
Carbon steel: ASTM A53 Gr.A/Gr.B,ASTM A106 Gr.B, - ASTM A500 Gr.C, API 5L (X42-X70), EN 10210 (S235JRH/S355J2H),JIS G3454(STPG370/ STPG410), EN 10210 (S235JRH/S355J2H)

Low-temperature steel: ASTM A333 Gr.6
Stainless Steel: 304/ 316/ 321 / 430,ASTM A790
S31803, EN 10216-5 1.4462
Alloy Steel: ASTM A335 P11, API 5L L80/P110, API5CT L80, ASTM A213 T11/T22, EN 10216-2 13CrMo4-5, EN 10216-4 10Ni14, ASTM B444 Inconel 625(UNS/N06625)