ASTM A335 P91 Alloy Steel Seamless Pipes

ASTM A335 P91 Alloy Steel Seamless Pipes

The growing importance of Steel in different industries cannot be overemphasized. The ASTM A335 P91 Alloy Steel Seamless Pipes has become a prized material due to its numerous favorable qualities and this is why there is a growing demand for steel products like ASTM A335 P91 Alloy Steel Seamless Pipes. Businesses involved in petroleum, natural gas, water, construction, infrastructure development and many other sectors make use of ASTM A335 P91 Alloy Steel Seamless Pipes for various purposes and the pipes have been gaining commercial importance across industries. Businesses look for good quality pipes for their different commercial operations and the good news is that Alloy Steel Pipes are available in different dimensions for industrial usage. They have proved their worth in a commendable manner and so has Rexal Tubes, a pioneering and credible name in the field of tubes and pipes.

Rexal Tubes has been manufacturing and supplying alloy steel pipes of various forms to various industries and these include not just the ones that have been mentioned above. They cover many more. So, what exactly are the characteristics that have made ASTM A335 P91 Alloy Steel Seamless Pipes a rock star? Well, steel, as an alloy, possesses many mechanical properties. Its strength increases and so does its resistance to chemicals. It also acquires flexibility, sturdiness, and shine. Unlike iron, it does not corrode and enjoys a longer shelf life. The look also gets an upgrade, thereby, adding to its aesthetical value.

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Why purchase ASTM A335 P91 Alloy Steel Seamless Pipes from Rexal Tubes?

Rexal Tubes boasts of a long and impressive journey in the field of alloy steel pipe and tubes production. The company has been manufacturing and supplying ASTM A335 P91 Alloy Steel Seamless Pipes for fifteen years to consumers spread across the globe. The national and international customers have reposed their faith time and again in the company as the products have lived up to their piping requirements. They have served different purposes like transmission of oil and gas, water treatment, drilling, structural equipment, etc. All this has been made possible because of the first-rate quality of ASTM A335 P91 Alloy Steel Seamless Pipes that are manufactured with the best machines and methods.

At Rexal Tubes, the most up-to-date manufacturing procedure is followed in an equally modern factory with the help of cutting-edge tools that always lead to fine quality modern alloy steel pipes. The technicians follow the quality control measures strictly and the production procedures are always in tune with the latest grading of international and national bodies. Last but not the least, there is full scope for customization and the customer can always rely on the after sale services for their unique pipe/tube requirements. Rexal Tubes supplies pipes in different shapes, sizes, lengths, widths, diameters, thickness, grades, designs and numerous other specifications. The choices are endless and completely equipped to cater to the diverse demands.

ASTM A335 P91 Alloy Steel Seamless Pipes Applications

ASTM A335 P91 Alloy Steel Seamless Pipes are used in multiple fields and they include heat exchangers, fertilizers, power, paper, pulp, pharmaceuticals, sugar, food processing, dairy and many more. However, they are primarily used in transportation of petroleum, natural gas and water. All these industries put the ASTM A335 P91 Alloy Steel Seamless Pipes to various uses and they serve different purposes in accordance with the operations requirement. The ASTM A335 P91 Alloy Steel Seamless Pipes are fit for bending, fusion welding and flanging. They are totally customizable and this is why, the alloy steel pipes come with such a wide scope of application. Strong and durable, the ASTM A335 P91 Alloy Steel Seamless Pipes are applied in high-pressure work conditions and it is their quality through which they stand the high temperature and pressure, fulfilling the operational demands of the businesses. The ASTM A335 P91 Alloy Steel Seamless Pipes are designed to deliver and are already tested for performance. So, no matter what the industrial application, one can rest assured that the pipes will perform to perfection and give the results that they are expected to give.

ASTM A335 P91 Alloy steel Seamless Pipes Specifications

ALLOY STEEL
STANDARDS	SEAMLESS PIPE
ASTM	A 335
ASME	SA 335

TEST CERTIFICATE / MILL CERTIFICATE

We can provide A335 P91 Alloy steel Seamless Pipe Mill Test Certificate as per EN 10204 as per 3.1/3.2 TC

Chemical Composition

C, %	MN, %	P, %	S, %	SI, %	CR, %	MO, %	V, %	N, %	NI, %	AL, %	NB, %
0.08-0.12	0.3-0.6	0.02 max	0.01 max	0.2-0.5	8.0-9.5	0.85-1.05	0.18-0.25	0.03-0.07	0.4 max	0.04 max	0.06-0.10

Mechanical Properties

Tensile Strength, MPa	Yield Strength, MPa	Elongation, %	Hardness, HB
585 min	415 min	20 min	250 max

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 ASME (S)A-335/(S)A-335M Grade and chemical composition

Grade	UNS	C≤	Mn	P≤	S≤	Si≤	Cr	Mo
P1	K11522	0.10~0.20	0.30~0.80	0.025	0.025	0.10~0.50	–	0.44~0.65
P2	K11547	0.10~0.20	0.30~0.61	0.025	0.025	0.10~0.30	0.50~0.81	0.44~0.65
P5	K41545	0.15	0.30~0.60	0.025	0.025	0.50	4.00~6.00	0.44~0.65
P5b	K51545	0.15	0.30~0.60	0.025	0.025	1.00~2.00	4.00~6.00	0.44~0.65
P5c	K41245	0.12	0.30~0.60	0.025	0.025	0.50	4.00~6.00	0.44~0.65
P9	S50400	0.15	0.30~0.60	0.025	0.025	0.50~1.00	8.00~10.00	0.44~0.65
P11	K11597	0.05~0.15	0.30~0.61	0.025	0.025	0.50~1.00	1.00~1.50	0.44~0.65
P12	K11562	0.05~0.15	0.30~0.60	0.025	0.025	0.50	0.80~1.25	0.44~0.65
P15	K11578	0.05~0.15	0.30~0.60	0.025	0.025	1.15~1.65	–	0.44~0.65
P21	K31545	0.05~0.15	0.30~0.60	0.025	0.025	0.50	2.65~3.35	0.80~1.60
P22	K21590	0.05~0.15	0.30~0.60	0.025	0.025	0.50	1.90~2.60	0.87~1.13
P91	K91560	0.08~0.12	0.30~0.60	0.020	0.010	0.20~0.50	8.00~9.50	0.85~1.05
P92	K92460	0.07~0.13	0.30~0.60	0.020	0.010	0.50	8.50~9.50	0.30~0.60

Note:

(S)A335 P91 other chemical composition are : V 0.18~0.25; N 0.030~0.070; Ni ≤ 0.40; Al ≤ 0.04 ; Nb 0.06~0.10
(S)A335 P92 other chemical composition are : V 0.15~0.25; N 0.030~0.070; Ni ≤ 0.40; Al ≤ 0.04 ; Nb 0.04~0.09; W 1.5~2.00 ; B 0.001~0.006

Heat Treatment Requirements

	P5, P9, P11, and P22
Grade	Heat Treatment Type	Normalizing Temperature Range F [C]	Subcritical Annealing or TemperingTemperature Range F [C]
	Heat Treatment Type	Normalizing Temperature Range F [C]
P5 (b,c)	Full or Isothermal Anneal
	Normalize and Temper	*****	1250 [675]
	Subcritical Anneal (P5c only)	*****	1325 – 1375 [715 – 745]
P9	Full or Isothermal Anneal
	Normalize and Temper	*****	1250 [675]
P11	Full or Isothermal Anneal
	Normalize and Temper	*****	1200 [650]
P22	Full or Isothermal Anneal
	Normalize and Temper	*****	1250 [675]
P91	Normalize and Temper	1900-1975 [1040 – 1080]	1350-1470 [730 – 800]
	Quench and Temper	1900-1975 [1040 – 1080]	1350-1470 [730 – 800]