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ISO Approved Manufacturer & Exporter of ASTM A335/A691 Grade P1 Seamless & EFW Pipes.

ASTM A335 / A691 Grade P1 Seamless & EFW Pipes

Neminox Steel & Engineering Co. is leading A335 P1 Alloy steel Seamless Pipe manufacturer & Exporter. We pride ourselves on being at the forefront of innovation in both product lines and after sales services. This is why we will constantly upgrade our products and services to meet market expectations and demands. We are reputed as an excellent quality A335 P1 Alloy steel Seamless Pipe & ASTM A335 Grade P1 EFW Pipes supplier in the industry.

Alloy Steel P1 Seamless Pipes, A335 P1 Alloy Steel Seamless Pipe, ASTM A335 P1 High Pressure Steel Pipe, P1 Alloy Steel Boiler Steel Pipe Distributor, ASTM A691 Alloy Steel EFW Pipe, ASME SA335 Grade P1 Alloy Steel Pipe Supplier in Mumbai, India.

Alloy Steel Pipes & Tubes

Square Pipe Manufacturer

Square Pipe

Round Pipe Supplier

Round Pipe

Rectangular Pipe Supplier

Rectangular Pipe

Global Supplier of High Quality Alloy Steel P1 Seamless Pipe, Alloy Steel UNS K11522 Pipes, Seamless Ferritic Alloy-Steel P1 Pipe, Alloy Steel Pipe P1, Alloy Steel ASTM A335 Grade P1 Seamless Pipe Manufacturer, P1 High Pressure Steel Pipe Exporter in India.


Alloy Steel
Standards Seamless Pipe
ASTM A 335


Chemistry Composition

C, %

Mn, %

P, %

S, %

Si, %

Cr, %

Mo, %



0.025 max

0.025 max





Mechanical Properties

Tensile Strength, MPa

Yield Strength, MPa

Elongation, %

415 min

205 min

30 min


Outside Diameter & Tolerance

ASTM A450 Hot rolled Outside Diameter, mm Tolerance, mm
OD≤101.6 +0.4/-0.8
101.6<OD≤190.5 +0.4/-1.2
190.5<OD≤228.6 +0.4/-1.6
Cold Drawn Outside Diameter, mm Tolerance, mm
OD<25.4 ±0.10
25.4≤OD≤38.1 ±0.15
38.1<OD<50.8 ±0.20
50.8≤OD<63.5 ±0.25
63.5≤OD<76.2 ±0.30
76.2≤OD≤101.6 ±0.38
101.6<OD≤190.5 +0.38/-0.64
190.5<OD≤228.6 +0.38/-1.14
ASTM A530 & ASTM A335 NPS Outside Diameter, inch Tolerance, mm
1/8≤OD≤1-1/2 ±0.40
1-1/2<OD≤4 ±0.79
4<OD≤8 +1.59/-0.79
8<OD≤12 +2.38/-0.79
OD>12 ±1%

ASTM A335 / SA335 Alloy Steel P1 Seamless Pipes other Available Types

Alloy Steel P1 Pipes Alloy Steel P1 Seamless Pipe
ASTM A335 Alloy Steel P1 Pipes Chrome Moly Grade P1 Seamless Pipes
ASTM A691 Alloy Steel EFW Pipes ASME SA335 Chrome Moly P1 Pipes
Grade P1 Chrome Moly Seamless Pipes Alloy Steel P1 Seamless Pipes Supplier
AS Grade P1 Seamless Pipe ASTM A691 Alloy Steel Pipes
Alloy Steel UNS K11522 Pipes Alloy Steel Gr. P1 High Pressure Steel Pipe
ASTM A335 Grade P1 Pipe AS P1 Seamless Pipes Stockiest
Chrome Moly P1 Pipe Exporter ASME SA335 Alloy Steel P1 Pipe Dealer

Neminox Steel & Engineering Co. offers the wide range of Industrial metal and steel products like pipes, tubes, sheets, plates, rods, bars, weld, flanges, forges & pipe fittings in various materials. Since two decades, we have led as a reliable exporter, supplier, trader and stockist of industrial steels in the world-wide market. We can also provide custom required as per your cut & full length, sizes, hardness and grades at the most competitive prices. Neminox Steel & Engineering Co. is ISO 9001:2015 approved manufacturer in India. We export the standard quality with swift delivery services to countries like USA, Indonesia, Thailand, Mexico, Vietnam, Philippines, Malaysia, Algeria, UK, UAE, Saudi Arabia, Africa, European and Middle East Countries. Just contact us or put your requirement in our Enquiry Form, will get back to you quickly.

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