GB6479 15CrMO 12CrMo Carbon Alloy Seamless Steel Pipe

GB6479 15CrMO 12CrMo Carbon Alloy Seamless Steel Pipe

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Payment Type:	L/C,T/T,D/P
Incoterm:	FOB,CFR,CIF,EXW
Transportation:	Ocean,Land,Express
Port:	Tianjin,Qingdao,Shanghai

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Product Description

Product Attributes

Model No.: GB 6479

Standard: Gb, Jis, Din

Material: Q195-Q345, Mn-V Alloy, Crni Alloy, 10#-45#, Cr-Mo Alloy

Section Shape: Round

Place Of Origin: China

Application: Fluid Pipe, Boiler Pipe, Hydraulic Pipe, Structure Pipe

Production Process: Hot Rolled

Certification: Ce

Special Tube: Thick Wall Pipe

Whether Alloy: Is Alloy

Tolerance: ±1%

Category: Seamless Steel Pipe

Processing Service: Bending, Decoiling, Punching, Cutting

Packaging & Delivery

Selling Units	:	Ton
Package Type	:	Standard marine packaging, or as required by the customer
Picture Example	:

ASTM A53 A106 Round Carbon Seamless Steel Pipe

API 5L ASTM A106 A53 Gr.B Seamless Steel Pipe

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Product Description

GB 6479 Seamless Steel Pipe

GB 6479 specification covers seamless steel pipes for high-pressure fertilizer equipment and pipelines, and also for other chemical equipment.

GB 6479 is a Chinese standard that specifies the technical requirements for seamless steel tubes used in high-pressure chemical fertilizer equipment. It covers various grades of steel, including carbon structural steel and alloy steel.

Chemical Component (%) of GB 6479

Grade	C	Si	Mn	Cr	Mo	V	W	Nb	Ni	P S(No More Than)
10	0. 07-0. 13	0. 17 -0. 37	0. 35 -0. 65	-	-	-	-	-	-	0.025	0.015
20	0. 17 -0. 23	0.17 -0. 37	0. 35-0. 65	-	-	-	-	-	-	0.025	0.015
Q345Ba	0. 12 -0. 20	0. 20-0. 50	1. 20-1. 70	<0. 30	<0. 10	Mis	-	<0.07	W0. 50	0.025	0.015
Q345C"	0. 12 -0. 20	0. 20 -0. 50	1.20 -1. 70	W0. 30	<0. 10	<0. 15	-	W0.07	<0. 50	0.025	0.015
Q345D"	0. 12 -0. 18	0. 20 -0. 50	1. 20-1.70	W0. 30	<0. 10	<0. 15	-	W0.07	<0. 50	0. 025	0.015
Q345Ea*B	0. 12 -0. 18	0. 20-0. 50	1. 20 -1.70	W0. 30	<0. 10	<0. 15	-	<0.07	<0. 50	0. 025	0.01
12CrMo	0. 08-0. 15	0.17 -0. 37	0. 40-0. 70	0. 40-0. 70	0. 40-0. 55	-	-	-	-	0. 025	0.015
15CrMo	0. 12 -0. 18	0. 17 -0. 37	0. 40-0. 70	0. 80-1. 10	0. 40-0.55	-	-	-	-	0. 025	0. 015
12Cr2Mo	0. 08-0. 15	<0. 50	0. 40-0.6	2.00-2. 50	0. 90-1. 13	-	-	-	-	0.025	0. 015
12Cr5Mo	<0. 15	<0.50	<0. 60	4. 00-6.00	0. 40-0. 60	-	-	-	<0. 60	0. 025	0. 015
LOMoWVNb	0. 07-0. 13	0. 50-0.8	0. 50-0.8	-	0. 60-0. 90	0. 30-0. 50	0. 50-0. 90	0. 06-0. 12	-	0.025	0.015
12SiMoVNb	0.08 -0. 14	0.50 -0.8	0. 60-0. 90	-	0. 90-1. 10	0. 30-0. 50	-	0. 04-0.08	-	0.025	0.015

Awhen It Is Necessary To Add Fine Grain Elements, The Steel Shall Contain At Least One Of Al, Nb, V And Ti. The Added Fine Grain Elements Shall Be Indicated In The Quality Certificate. Ti Content Shall Not Be More Than 0.20%

BAl Content In Steel Shall Not Be Less Than 0.020%, Or Ala Content In Steel Shall Not Be Less Than 0.015%

Mechanical Properties of GB 6479

Grade	Tensile (MPa)	Yield (MPa)			Elong After Fracture A/%		Reduction Of Area (Z/%)	Shork Absorption Energy （KV2）/J
		Steel Tube Wall Thickness/Mm						Test Temperature/℃	Portrait	Transver
		W16	>16 — 40	>40	Portrait	Transver
		Not Less Than							Not Less Than
10	335-490	205	195	185	24	22	一	一	—	一
20	410-550	245	235	225	24	22	一	0	40	27
Q345B	490-670	345	335	325	21	19	一	20	40	27
Q345C	490-670	345	335	325	21	19	一	0	40	27
Q345D	490-670	345	335	325	21	19	一	-20	40	27
Q345E	490-670	345	335	325	21	19	—	-40	40	27
12CrMo	410-560	205	195	185	21	19	—	20	40	27
15CrMo	440-640	295	285	275	21	19	一	20	40	27
12Cr2Moa	450-600	280			20	18	一	20	40	27
12Cr5Mo	390-590	195	185	175	22	20	一	20	40	27
LOMoWVNb	470-670	295	285	275	19	17	一	20	40	27
12SiMoVNb	2470	315	305	295	19	17	50	20	40	27

Additional Condition

· UT (Ultrasonic examination),

· AR (As Hot Rolled only)

· TMCP (Thermal Mechanical Control Processing)

· N (Normalized)

· Q+T (Quenched and Tempered)

· Z Direction Test (Z15,Z25,Z35)

· Charpy V-Notch Impact Test

· The Third Party Test (such as SGS Test)

· Coated or Shot Blasting and Painting.

Application:

GB6479 Steel Pipe is mainly used for high-pressure fertilizer equipment and seamless steel pipe for pipelines.

Executive standard: GB 6479-2013
Product Name: Seamless steel pipe for high pressure fertilizer
Steel grade:10, 20, Q345B/C/D/E, 12CrMo, 15CrMo, 12Cr2Mo, 12Cr5Mo, 10MoWVNb, 12SiMoVNb, etc.

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