What steel grade is standard for DIN PN40 flanges?

DIN EN 1092-1PN40Plate Flange (Type 01)Capacity: Strictly Up to 50 kg

DIN EN 1092-1 PN40 Type 01 Plate Flange Dimensions & Weight

Precision closed-die drop forged and CNC machined from heat-tracked billets at our Rajkot manufacturing facility. Engineered with unbroken grain flow for high-pressure service up to 40 bar (580 psi), adhering to EN 10204 3.1 and ISO 9001:2015 quality requirements.

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Rajkot, Gujarat (IN-GJ 22.2597° N, 70.8123° E)

Deep-Water Port Mundra (240 km) & Port Kandla (230 km)

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DIN EN 1092-1 PN40 Type 01 Plate Flanges handle 40 bar pressures. Drop forged in Rajkot up to 50 kg per piece for power plant and chemical piping.

StandardDIN EN 1092-1

Pressure Rating40 bar (580 psi)

Facing FinishForm B1

Max Unit WeightUp to 50 kg max

DIN EN 1092-1 PN40 Type 01 Plate Flange Dimensions & Weight — Dimensions & Weight Chart

All dimensions in millimeters (mm) and nominal weights in kilograms (kg) strictly manufactured up to 50 kg per piece.

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NPS	Metric DN	Outside Dia (OD mm)	Flange Thickness (mm)	Bolt Circle PCD (mm)	No. of Bolts	Hole Dia (mm)	Approx Weight (kg)
DN15	1/2"	95 mm	16 mm	65 mm	4	14 mm	0.8 kg✔ (≤50kg)
DN25	1"	115 mm	18 mm	85 mm	4	14 mm	1.3 kg✔ (≤50kg)
DN50	2"	165 mm	20 mm	125 mm	4	18 mm	3.2 kg✔ (≤50kg)
DN80	3"	200 mm	24 mm	160 mm	8	18 mm	5.8 kg✔ (≤50kg)
DN100	4"	235 mm	26 mm	190 mm	8	22 mm	8.5 kg✔ (≤50kg)
DN150	6"	300 mm	34 mm	250 mm	8	26 mm	18 kg✔ (≤50kg)
DN200	8"	375 mm	42 mm	320 mm	12	30 mm	35 kg✔ (≤50kg)

Engineering Note: Weights shown reflect standard carbon steel (ASTM A105, density 7.85 g/cm³). For Stainless Steel (304L/316L, density 8.00 g/cm³) or Duplex 2205 (7.80 g/cm³), multiply nominal weight by the metallurgical density ratio. All Jayesh Forge production strictly maintains our 50 kg max piece limit.

Available Metallurgical Grades

P250GH — 100% heat batch tracked with full chemical and mechanical certification.
P245GH — 100% heat batch tracked with full chemical and mechanical certification.
1.4404 — 100% heat batch tracked with full chemical and mechanical certification.
1.4301 — 100% heat batch tracked with full chemical and mechanical certification.

View complete metallurgy & EN 10204 3.1 inspection protocols

Primary Engineering Applications

High Pressure Boilers
Chemical Plants
Hydraulic Networks

Inquire about custom machining or special facings (RTJ/Tongue-Groove)

Rajkot Facility Manufacturing & Global Logistics Corridors

This component is hot-forged on high-speed closed-die friction presses and CNC finished at our Rajkot manufacturing center located at Plot No. 42/43, GIDC Industrial Estate, Rajkot, Gujarat - 360002, India. Global ocean freight dispatches weekly via Port Mundra (240 km) and Port Kandla (230 km) with rapid transit to Houston USA, Rotterdam Europe, and Dubai UAE.

ASME Standards Committee View Rajkot Plant Location (Google Maps) Back to All 56 Flange Standards