Q355 carbon steel pipe

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Product Usage

Q355 is a low-alloy high-strength structural steel, widely used in bridges, vehicles, ships, construction, pressure vessels, special equipment, etc., where “Q” means yield strength, 355 means the yield strength of this steel is 355MPa, and the yield value will decrease with the increase of the thickness of the metal material.

Product Specification

Product	Seamless Pipe
Seamless Pipe	China	GB/T8162/T8163GB5310/6579/9948
	U.S.A.	ASTM A53/A106/A178/A179/A192/A210/A213/A333/A335/A283/A135/A214/315/A500/ A501/A519/A161/A334:API5L/5CT
	Japan	JS G34521G3454/G3456/G3457/G3458/G3460/3461/3462/3164
	German	DIN 1626/17175/1629-4/2448/2391/17200 SEW680
	Russia	GOST8732/8731/3183
Material and Grade	China	10#.20#.16Mn.20G.15MoG.15CrMo.30CrMo.42Crmo27SiMn.20CrMo
	U.S.A.	Gr.B/Gr.A/A179/A192/A-1/T11/T12/T22/P1/FP1/T5/4140/4130
	Japan	STPG38.STB30.STS38.STB33.STB42STS49STBA23STPA25 STPA23
	German	ST33 ST37 ST35 ST35 8 ST45 ST52 15M0313CrM044 10309 10305 10405
	Russia	10,20,35,45,20X
Out Diameter	10-1000mm
Wall Thickness	1-80mm
Length	1-12m
Protection	Plastic caps
Packing terms	Labeled and bundled together with steel strip
Shipment terms	Containers or bundles by sea.one 20"container can load about 20 tons(5.8meters long).one 40" container can load about 23-25tons(less than 118meterslong)
Quality Certificate	ISO.APIMill Test Certificate
Surface Treatment	Black painting/varnished surface,anti-corrosion oil, galvanized or as per required by customer

Chemical Composition

Steel Grade	Quality Grade	C % (≤)	Si % (≤)	Mn (≤)	P (≤)	S (≤)	Cr (≤)	Ni (≤)	Cu (≤)	N (≤)
Q355	Q355B	0.24	0.55	1.6	0.035	0.035	0.3	0.3	0.4	0.012
	Q355C	0.2			0.03	0.03				0.012
	Q355D	0.2			0.025	0.025				–

Mechanical Behavior

Yield Strength (≥ MPa), Thickness or Dia. (d) mm
Steel Grade	Quality Grade	d≤16	16< d ≤40	40 < d ≤63	63 < d ≤ 80	80< d ≤ 100	100< d≤ 150	150 < d≤ 200	200 < d ≤ 250	250 < d ≤ 400
Q355	Q355B	355	345	335	325	315	295	285	275	–
	Q355C									–
	Q355D									265

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