A335 Seamless Steel Pipe

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A335 Seamless Steel Pipe

Seamless steel pipe is perforated by the whole round steel, and the steel pipe with no weld on the surface is called seamless steel pipe. According to the production method, the seamless steel pipe can be divided into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold-drawn seamless steel pipe, extruded seamless steel pipe, pipe jacking and so on. According to the section shape, the seamless steel pipe is divided into two kinds of round and shaped, shaped pipe has square, oval, triangle, hexagonal, melon seed, star, fin tube and many complex shapes. The maximum diameter is 900mm and the minimum diameter is 4mm. According to different uses, there are thick wall seamless steel pipes and thin wall seamless steel pipes. Seamless steel pipe is mainly used for petroleum geological drilling pipe, petrochemical cracking pipe, boiler pipe, bearing pipe and high-precision structural steel pipe for automobiles, tractors and aviation.

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SPECIFICATION

MATERIAL

PRODUCT DISPLAY

Sizes:

Maximum diameter: 36" (914.4mm) minimum diameter: 1/2" (21.3mm)
Maximum thickness: 60mm mininmum thickness: 2.11mm

SCH: SCH10,SCH20,STD,SCH40,SCH60,XS,SCH80,SCH100,SCH120,SCH160,XXS

Standard	EN/DIN/JIS/ASTM/BS/ASME/AISI etc.
Outer Diameter	Seamless: 1/4"-36"	Welding: 21.3mm-3620mm
	Round Tube: 1/2"-10"	Square Tube/Rectangular Tube: 15x15mm-400x600mm
Wall Thickness	Seamless: 1.25mm-50mm	Welding: 1.65mm-65mm
Length	3-12 meters, Support customization
Surface Process	Bright, Polished, Black
Other Services	Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.

Coating：

3PE Coating

3PP Coating

FBE Coating

Epoxy Coating

Special Painting

Chemical Composition：

A335	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	0.5	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	0.5	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	0.5	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	0.5	2.65-3.35	0.80-1.60
P22	K21590	0.05-0.15	0.30-0.60	0.025	0.025	0.5	1.90-2.60	0.87-1.13
P91	K91560	0.08-0.12	0.30-0.60	0.02	0.01	0.20-0.50	8.00-9.50	0.85-1.05
P92	K92460	0.07-0.13	0.30-0.60	0.02	0.01	0.5	8.50-9.50	0.30-0.60

Mechanical Properties：

A335	UNS	Yield Strength Ksi	Tensile Strength Ksi	Elongation %
P1	K11522	30	55	30
P2	K11547	30	55	30
P5	K41545	40	70	30
P9	S50400	30	60	30
P11	K11597	30	60	20
P12	K11562	32	60	30
P22	K21590	30	60	30
P91	K91560	60	85	20

Standard of carbon seamless steel pipe：

ASTM A53 Gr.B	Black and hot-dipped zinc-coated steel pipes welded and seamless
ASTM A106 Gr.B	Seamless carbon steel for high temperature service
ASTM SA179	Seamless cold-drawn low-carbon steel heat exchanger and condenser tubes
ASTM SA192	Seamless carbon steel boiler tubes for high pressure
ASTM SA210	Seamless Medium-carbon boiler and superheater tubes
ASTM A213	Seamless alloy-steel boiler, superheater, and heat-exchanger tubes
ASTM A333 GR.6	seamless and welded carbon and alloy steel pipe intended for use at low temperatures.
ASTM A335 P9,P11,T22,T91	Seamless ferritic alloy-steel pipe for high-temperature service
ASTM A336	Alloy steel forgings for pressure and high-temperature parts
ASTM SA519 4140/4130	Seamless carbon for mechanical tubing
API Spec 5CT J55/K55/N80/L80/P110/K55	Seamless steel pipe for casing
API Spec 5L PSL1/PSL2 Gr.b, X42/46/52/56/65/70	Seamless steel pipe for line pipe
DIN 17175	Seamless steel tube for elevated temperture
DN2391	Cold drawn seamless prevision pipe
DIN 1629	Seamless circular unalloyed steel tubes subject to special requirements

Material	ASTM	GB	JIS	DIN
Carbon steel	A53-A	10(GB/T 8163)(GB 9948)	STB 340	St37.0(1.0254)
	A53-B	20(GB/T 8163)(GB 9948)	STB 370	St35.0(1.0308)
	A53-B	20(GB/T 8163)(GB 9948)	STS 370	St35.4(1.0309)
	A53-C		STPG 410	St44.0(1.0256)
			STPG 410	St45.0(1.0408)
			STPT 410	St45.4(1.0418)
			STS 410	St45.8(1.0405)
			STB 410	C22(1.0611)
	A106-A	10(GB/T 8163)(GB 9948)	STPB 340	St37.0（1.0254）
	A106-B	20(GB/T 8163)(GB 9948)	STPT 370	St35.0(1.0308)
		20G(GB 5310)	STS 370	St35.4(1.0309)
			STB 370	St35.8(1.0305)
			STPG 410	St44.0(1.0256)
			STPT 410	St45.0(1.0408)
			STS410	St45.4(1.0418)
			STB 410	St45.8(1.0405)
	A106-C	16Mn（GB/T 8163）	STPT 480	17Mn4(1.0481)
			STS 480	St52.0(1.0831)
				St52.4(1.0382)
	A120	Q235(GB/T 3092)	G3452 SGP	1629 St00
	A134	Q235(GB/T 3092)	STPY 400	St33.0(1.0035)
	A139	Q235(GB/T 3092)	STPY 400	St33.0(1.0035)
	A333-1		STPL 380	TTSt35N(1.0356)
	A333-6		STBL 380
Low alloy steel		16Mn（-40°C)(GB/T 8163)	STPY 400	St33.0(1.0035)
	A333-3		STPL 450	10Ni14(1.5637)
	A333-3		STBL 450	10Ni14(1.5637)
	A333-8		STPL 690	X8Ni9（1.5662)
	A333-8		STBL 690	X8Ni9（1.5662)
	A335-P1	16Mo15Mo3	STPA 12	15Mo3(1.5415)
	A335-P1	16Mo15Mo3	STBA 12	15Mo3(1.5415)
	A335-P2	12CrMo(GB/T 5310) (GB 9948)	STPA 20	13CrMo44(1.7335)
	A335-P2	12CrMo(GB/T 5310) (GB 9948)	STBA 20	13CrMo44(1.7335)
	A335-P5	1Cr5Mo(GB 5310)(GB 9948)	STPA 25	12CrMo195(1.7380)
	A335-P5	1Cr5Mo(GB 5310)(GB 9948)	STBA 25	12CrMo195(1.7380)
	A335-P9		STPA 26	X12CrMo91(1.7386)
	A335-P9		STBA 26	X12CrMo91(1.7386)
	A335-P11	12CrMoV(GB/T 5310)	STPA 23	13CrMo44(1.7335)
	A335-P11	12CrMoV(GB/T 5310)	STBA 23	13CrMo44(1.7335)
	A335-P12	15CrMo(GB 9948)	STPA 22	13CrMo44(1.7335)
	A335-P12	15CrMo(GB 9948)	STBA 22	13CrMo44(1.7335)
	A335-P22	12CrMo(GB 5310)	STPA 24	10CrMo910(1.7380)
	A335-P22	10MoWVNb	STBA 24	10CrMo910(1.7380)
	A335-P91		KA-STPA 28
	A335-P91		ATBA 28
Material	ASTM	GB	JIS	DIN
Carbon steel	A283-C		SS 400	St37.2(1.0037)
	A283-D	Q235-B(GB/T 700)	SS 400	St42.2(1.0044)
	A283-D	Q235-C(GB/T 700)	SM 400A
	A515Gr.55			H I (1.0345)
	A515Gr.60	20g (GB 713)	SB 410	H II (1.0425)
		20R (GB 6654)	SPV 235
		20 (GB 710)
	A515Gr.65	22g,12Mng (GB 713)	SB 450	17Mn4(1.0481)
	A515Gr.70		SB 480	19Mn6
	A516-60	20g (GB 713)	SM 400B	ASt 41
	A516-60	20R (GB 6654)	SPV 235	ASt 41
	A516-65	22g,12Mng (GB 713)	SM 400B	ASt 45
	A516-65	22g,12Mng (GB 713)	SPV 235	ASt 45
	A516-70		SM 490B	ASt 52
	A516-70		SPV 315	ASt 52
Low alloy steel	A662-C	16Mng (GB 713)	SPV 335	19Mn6(1.0473)
	A662-C	16MnR (GB 6654)	SPV 335	19Mn6(1.0473)
	A662-C	16MnDR(GB 3531)	SLA325
	A662-C	16MnDR(GB 3531)	SLA360
	A204-A		SB 450M	15Mo3(1.5415)
	A204-B		SB 480M	16Mo5
	A387-2		SCMV1
	A387-12		SCMV2
	A387-11		SCMV3
	A387-22		SCMV4
	A387-21		SCMV5
	A387-5		SCMV6

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