ASTM A519 1008,1010,1018,1020,1025,1026,4130,4140,AS4041 Mechanical Tubing

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ASTM A519 1008,1010,1018,1020,1025,1026,4130,4140,AS4041 Mechanical Tubing

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Hebei Lufeng Piping Equipment Co., Ltd.

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Address: Wuliyao Industrial Zone, Yanshan County, Hebei Province, China

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Product Details

ASTM A519

Chemical Composition

Grade	C %	Si %	Mn %	P %	S %	Mo %	Cr %
1020	0.18-0.23	/	0.30-0.60	0.040 max	0.050 max	/	/
1025	0.22-0.28	/	0.30-0.60	0.040 max	0.050 max	/	/
1035	0.32-0.38	/	0.60-0.90	0.040 max	0.050 max	/	/
1045	0.43-0.50	/	0.60-0.90	0.040 max	0.050 max	/	/
4130	0.28-0.33	0.15-0.35	0.40-0.60	0.040 max	0.040 max	0.15-0.25	0.80-1.10
4140	0.38-0.43	0.10-0.35	0.75-1.00	0.040 max	0.040 max	0.15-0.25	0.80-1.10

Mechanical Properties

Grade	Tensile Strength MPa1	Yield Strength MPa1	Tensile Strength MPa2	Yield Strength MPa2
1020	331	193	379	234
1025	365	207	379	248
1035	414	228	448	276
1045	448	241	517	331
4130	517	379	621	414
4140	552	414	855	621
1. Annealed 2. Normalized *Also provide NBK heat treatment.

UNS	MIL	SAE	AFNOR	DIN	AMS	ASTM
G41300	Mil-S-16974	J404,J412	25CD4	1.7218	6350	A322,A505
UNS		BS	AFNOR	DIN	SAE	ASTM
G41400		798A42,708M40,709M40	40CD4	1.7225	J404,J412	A322

Super-high-pressure steel pipes are key parts in petrochemical industry, such as in pipe reactor, pipes heat exchanger and pipelines of high-pressure polyethylene production unit. The materials used for the manufacture of these pipes are steels G4335V, AISI4340 and AISI4333M. The working pressure of a super-high-pressure steel pipe is 100～350 Mpa; and working temperature 200～350℃. At present, we are capable for supplying a variety of super-high-pressure steel pipes of more than 40mm in I.D. and 10000mm in length,

These super-high-pressure steel pipes are made of ESR steel forging, followed by quenching & tempering and finish machining. Their quality comes up to the advanced level of similar products in world market.
AS 4041 Pressure Piping

AISI 4130 H+T, AISI 4140 H+T, AISI 4145 MOD, AISI 4340, AISI 8630 MOD For Oil & Gas Industry
SAE 4130 H&T, AISI 4140 H&T, SAE 4145 MOD, SAE 4340, SAE 8630 MODIFIED For OIL & GAS
AISI 4140 Quenched & Tempered, AISI 4340 Quenched & Tempered For Oil & Gas Industry
SAE 4140 Quenched & Tempered, SAE 4340 Quenched & Tempered For Oil & Gas Industry
AISI 4145H Modified Quenched & Tempered Steel For Manufacture Drill Collar AISI 4145H MOD
AISI 4145H MOD API 6A PSL3 NACE MR-0175, AISI 4145 Q&T API 6A, PSL3 NACE-MR0175
AISI 4130 Q&T API 6A PSL3 NACE MR-0175, AISI 4130Q&T API 6A, PSL3 NACE-MR0175
AISI 4140 API 6et L80, API 5CT, NACE MR-0175, AISI 4140 Q&T API 6 et L80, API5CT MR-0175

Specifications︰

Mechanical Machining Seamless Steel Tube Structural Pipe ASTM A519 1020,1035,1045,4130,4140

Fluid Transmission Pipe ASTM A53M A53A,A53B

Precision Tube DIN 2391-2 St35,St45,St52

Fine Grain Structure Tube EN 10210 S275J0H,S275J2H,S335J0H,S335J2H

Hydraulic Cylinder Pipe GB/T 17396 Q/OHAD010-1998 20#,35#,45#,27SiMn

Geology Drill Pipe YB/T 5052 Q/OHAD006-2009 DZ40,DZ50,DZ55,DZ60,STM-R780

Semi shaft tube for auto YB/T5035 Q/OHAD001-1997 45#,45Mn2,40MnB,40Cr

Axle Pipe for auto Technology Agreement 20Mn2

Crane Boom Pipe Q/OHAD015-2008 HSM450,HSM770,HSM890

Pipe for Hollow Mandrel Bar Q/OHAD002-2010 42CrMo,30Cr3MoV

Pipe for Pipe Mould Technology Agreement 21CrMo10

Standard Met︰

GOST 8731-74 Seamless Hot-Deformed Steel Tubes-Technical Requirements
GOST 8732-78 Seamless Hot-Deformed Steel Tubes-Range
GOST 8733-74 Seamless Cold and Warm Deformed Steel Tubes-Technical requirements
GOST 8734-75 Seamless Cold and Warm Deformed Steel tubes-Range
GOST 9567-75 Precision Steel Tubes-Range
GOST 9940-72 Seamless hot deformed tubes made of corrosion resistant steel
GOST 9941-72 Seamless cold and warm deformed tubes made of corrosion Resistant steel
GOST 10498-63 Especially thin walled seamless tubes made of corrosion resistant (stainless) steel
GOST 1060-76 Steel seamless cold-deformed tubes for shipbuilding-Technical requirements
GOST 5654-76 Steel seamless hot-deformed tubes for shipbuilding-Technical requirements
GOST 550-75 Steel seamless steel tubes for petroleum processing and petrochemical industry
GOST 14162-69 Small-sizes steel tubes (capillary )
GOST 10192-62 Bimetallic seamless tubes-Range
GOST 21945-76 Seamless hot-deformed steel tubes made of alloys on the basis of titanium-Technical
requirements
GOST 21729-76 Seamless cold-deformed and hot-deformed tubes made of structural carbon and alloyed steel
GOST 22786-77 Bimetallic seamless tubes for shipbuilding-Technical requirements