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Seamless Alloy Steel Pipe 18m ASTM A335 SMLS For High Temperature Service

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Seamless Alloy Steel Pipe 18m ASTM A335 SMLS For High Temperature Service

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Brand Name :	KASUGAI
Model Number :	ASTM A335 P5, P9, P11, P12, P22, P91 SMLS
Certification :	ISO-9001; PED; AD 2000
Price :	PER BASE MATERIAL PRICE
Payment Terms :	L/C, D/A, D/P, T/T
Supply Ability :	200 TONS / MONTH
Delivery Time :	60 DAYS FOR ONE CONTAINER

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Seamless Alloy Steel Pipe 18m ASTM A335 SMLS For High Temperature Service

ASTM A335 P5, P9, P11,P12, P22, P91 SMLS Seamless Alloy Steel Pipe for High-Temperature Service

Product Information:

Product Name	ASTM A335 P1, P2, P5, P9, P11, P12, P22, P91 Seamless Alloy Steel Pipe/Tube
Standards	ASTM A335/A335M, ASME SA335
Outer Diameter	50.8 to 860mm
Wall Thickness	2.77 to 100mm
Length	SRL, DRL, or as customer’s requirement
End Process	Plain Ends, Beveled Ends, Threaded Ends

Chemical Composition of ASTM A335 P1, P2, P5, P9, P11, P12, P22, P91 Alloy Steel (%)

Grade	C	Mn	P	S	Si	Cr	Mo	V	N	Others
P1	0.10~0.20	0.30~0.80	≤0.025	≤0.025	0.10~0.50	—	0.44~0.65
P2	0.10~0.20	0.30~0.61	≤0.025	≤0.025	0.10~0.30	0.50~0.81	0.45~0.65
P5	0.15 max	0.30~0.60	≤0.025	≤0.025	0.50 max	4.0~6.0	0.45~0.65
P9	0.15 max	0.30~0.60	≤0.025	≤0.025	0.25~1.0	8.0~10.0	0.90~1.10
P11	0.05~0.15	0.30~0.60	≤0.025	≤0.025	0.50~1.0	1.0~1.5	0.44~0.65
P12	0.05~0.15	0.30~0.61	≤0.025	≤0.025	≤0.5	—	0.44~0.65
P22	0.05~0.15	0.30~0.60	≤0.025	≤0.025	≤0.5	1.9~2.6	0.87~1.13
P91	0.08~0.12	0.30~0.60	≤0.02	≤0.01	0.2~0.5	8.0~9.5	0.85~1.05	0.18~0.25	0.03~0.07	*

*Ni (≤0.4), Al (≤0.02), Cb (0.06~0.1), Ti (≤0.01), Zr (≤0.01)

Mechanical Properties of ASTM A335 P1, P2, P5, P9 Alloy Steel

Grade	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)
P1	≥380	≥205	≥30
P2	≥380	≥205	≥30
P5	≥415	≥205	≥30
P9	≥415	≥205	≥30
P11	≥415	≥205	≥30
P12	≥415	≥205	≥30
P22	≥415	≥205	≥30
P91	≥585	≥415	≥20

Alloy pipes are tubular with higher percentages, than standard carbon steel pipes, of alloying elements as Molybdenum (Mo), Chromium (Cr), Nickel, etc. Actually, the ASTM A335 covers “low-alloy” steel pipes, i.e. pipes that have a total amount of alloying elements below 5%. The addition of higher percentages of alloying elements (example Nickel and Chromium) transforms the steel into higher alloys, like stainless steel, duplex, up to super-alloyed materials like Inconel, Hastelloy, Monel, etc.

Alloy steel pipes are used in the energy industry for high temperature and very low-temperature service (cryogenic), or for applications with very high pressures.

ASTM A335 alloy steel pipes fitASTM A234 WPS series buttweld fittings(WP5, WP9,WP91) and A182 forged fittings and flanges (A182 F5, F9, F11, F22, F91). All these materials have similar chemical and mechanical properties and can be joined or welded.

SEAMLESS ALLOY STEEL PIPES
Alloy Steel Pipe ASTM A335 Gr. P1, P2, P5, P9, P11, P12, P22, P91

SIZE AVAILABLE

SIZE RANGE	OD	WALL THICKNESS	LENGTH	SURFACE
SEAMLESS	1/2"--18"	UP TO 20mm	FIXED / RANDOM	PICKLING & PASSIVATION	BRIGHT ANNEALED
WELDED	3/4"--36"	UP TO 36mm	FIXED / RANDOM	PICKLING & PASSIVATION	BRIGHT ANNEALED

TESTING & INSPECTION
NDT TESTING	MECHANICAO TESTING	CHEMICAL ANALYSIS	SPECTRUM ANALYSIS	SIZE INSPECTION	SURFACE INSPECTION
UT; RT; EDDY CURRENT	TENSION/TENSILE; IMPACT; HARDNESS; HYDRAULIC	METALLOGRAPHIC; LOW TEMPERATURE	SPECTROMETER	CALIPER; GAUGE	VISUALIZATION

APPLICATION
PETRO CHEMICAL INDUSTRY	HEAT EXCHANGE	AERO SPACE	PHARMACEUTICAL EQUIPMENTS	BOILER	NUCLEAR

Alloying elements

The addition of Molybdenum (“Moly”) increases the strength of the steel and its elastic limit, enhance the steel resistance to wear, its impact qualities, and the hardenability. It also improves the resistance to softening, makes chromium steel less prone to embrittlement and prevents pitting.

Chromium, a key element also for stainless steel alloys, prevents steel oxidation at elevated temperatures and increases the resistance of steel to corrosion. It enhances the tensile, yield, and hardness properties of low-alloy pipes at room temperatures.

Other alloying elements, present in various degrees in pipes of all grades are:

Aluminum: decreases oxygen from steelmaking
Boron: used to produce fine grain size and enhance steel hardness
Cobalt: used to enhance the steel’s heat and wear-resistance
Manganese: gives better steel hardenability
Nickel: Enhances toughness, hardenability and impact strength at low temperatures
Silicon: decreases oxygen, enhances hardenability and toughness
Titanium: prevents precipitation of chromium carbide
Tungsten: refines steel grain size and enhance the steel hardness, especially at high temperatures
Vanadium: gives steel enhanced fatigue resistance

ALLOY PIPE CROSS REFERENCE TABLE ASTM vs. EN GRADES

Chrome Moly Pipes: Werkstoff vs EN vs ASTM
Werkstoff /DIN	EN	ASTM
1.5415	16Mo3	A335 Grade P1
1.7335	13CrMo4-5	A335 Grade P11, P12
1.7380	10CrMo9-10	A335 Grade P22
1.7362	X11CrMo5	A335 Grade P5
		A335 Grade P9
1.4903	X10CrMoVNb9-1	A335 Grade P91

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