Product - Range and Standards

Pipes 

Forged Flanges

Forged & Butt Weld Fittings

Global Standards. Engineered Compliance.

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

Our Standards

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

  • International standards: API, ASTM, ASME, DIN
  • Third-party inspection available
  • Full traceability
  • Material Test Certificates (MTC)
  • Project documentation support

ANSI / ASME • API Standards • DIN • BS • JIS • GOST • AWWA • SABS • AS / Certification and traceability are integrated into every shipment — .Pressure Classes: ANSI 150 – 2500 PSI

Controlled Supply Architecture

Through strategic factory partnerships, multi-source capacity structuring, and cross-border execution management, K&L ensures:

• Production slot priority • Technical alignment with project specifications • EN 10204 3.1 / 3.2 documentation integrity • On-time global delivery
• Risk mitigation across jurisdictions

In volatile markets, supply chain control defines competitive advantage.

K&L Industries stands at the intersection of European compliance logic and Chinese manufacturing scale — delivering industrial continuity for projects where failure is not an option.

Performance Verified. Not Assumed.

Every product undergoes rigorous inspection and testing protocols to ensure structural integrity and operational reliability in demanding environments:

• High-temperature tensile testing • Impact testing • Flattening testing • Hydraulic pressure testing • Ultrasonic testing (UT) • Liquid penetrant testing (PT)
• Coating thickness inspection • Intergranular corrosion (IGC) testing

Quality is engineered into the process — from raw material to final dispatch.

 

Quality Assurance & Testing.

Quality is controlled at every stage of production, from raw material inspection to final testing and delivery.

Testing & Inspection Includes

  • Hydrostatic Testing
  • Pressure Testing
  • Material Verification
  • Dimensional Inspection
  • Visual & Functional Testing

All procedures are aligned with international quality standards and project specifications.

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)