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A333 Seamless & Welded Steel Pipe

ASTM A333 is the standard specification for seamless and welded carbon and alloy steel pipe for low temperature applications or other applications requiring notch toughness. This standard covers several grades of ferritic steel: Grade 3, Grade 4, Grade 6, Grade 7, Grade 8, Grade 9, Grade 10 and Grade 11.

Classification :

Carbon Steel Pipe

Keywords :

Carbon Steel Pipe

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E-mail :commerce@zgsggroup.com

PRODUCT DETAILS

A333 Seamless & Welded Steel Pipe Description

Product Parameters

Product Name	A333 Seamless & Welded Steel Pipe
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.

Chemical Composition

A333	Grade1	Grade3	Grade4	Grade6	Grade7	Grade8	Grade9	Grade10	Grade11
C	0.30	0.19	0.12	0.30	0.19	0.13	0.20	0.20	0.10
Mn	0.40-1.06	0.31-0.64	0.50-1.05	0.29-1.06	0.90	0.90	0.40-1.06	1.15-1.50	0.60
P	0.025	0.025	0.025	0.025	0.025	0.025	0.025	0.035	0.025
S	0.025	0.025	0.025	0.025	0.025	0.025	0.025	0.015	0.025
Si	-	0.18-0.37	0.08-0.37	0.10 min	0.13-0.32	0.13-0.32	-	0.10-0.35	0.35
Ni	-	3.18-3.82	0.47-0.98	0.40	2.03-2.57	8.40-9.60	1.60-2.24	0.25	35.0-37.0
Cr	-	-	0.44-1.01	0.30	-	-	-	0.15	0.50
Cu	-	-	0.40-0.75	0.40	-	-	0.75-1.25	0.15	-
Al	-	-	0.04-0.30	-	-	-	-	0.06	-

Mechanical Properties

A333	Tensile Strength min.		Yield Strength min.		Elongation % min.
Grade	psi	MPa	psi	MPa	Vertical	Transverse
Grade1	55 000	380	30 000	205	35	25
Grade3	65 000	450	35 000	240	30	20
Grade4	60 000	415	35 000	240	30	16.5
Grade6	60 000	415	35 000	240	30	16.5
Grade7	65 000	450	35 000	240	30	22
Grade8	100 000	690	75 000	515	22	-
Grade9	63 000	435	46 000	315	28	-
Grade10	80 000	550	65 000	450	22	-
Grade11	65 000	450	35 000	240	18	-

Scope of Application

Seamless and welded steel pipes for low temperature service and other applications with the required notch toughness.

USA	Japan	Germany		U.K.		France	Italy	Spain	Switzerland	China
AISI/SAE	JIS	W‐nr.	DIN	BS	EN	AFNOR	UNI	UNE	SS	GB
A570.36	STKM 12A	1.0038	RSt.37‐2	4360	‐	E 24‐2	‐	‐	1311	15
-	STKM 12C	-	-	40 C	-	Ne	-	-	-	-
1015	‐	1.0401	C15	080M15	‐	CC12	C15, C16	F.111	1350	15
1020	‐	1.0402	C22	050A20	2C	CC20	C20, C21	F.112	1450	20
1213	SUM22	1.0715	9SMn28	230M07	1A	S250	CF9SMn28	F.2111	1912	Y15
1213	SUM22	1.0715	9SMn28	230M07	1A	S250	CF9SMn28	11SMn28	1912	Y15
12L13	SUM22L	1.0718	9SMnPb28	‐	‐	S250Pb	CF9SMnPb28	11SMnPb28	1914	‐
‐	‐	1.0722	10SPb20	‐	‐	10PbF2	CF10Pb20	10SPb20	‐	‐
1215	‐	1.0736	9SMn36	240M07	1B	S300	CF9SMn36	12SMn35	‐	Y13
12L14	‐	1.0737	9SMnPb36	‐	‐	S300PB	CF9SMnPb36	12SMnP35	1926	‐
1015	S15C	1.1141	Ck15	080M15	32C	XC12	C16	C15K	1370	15
1025	S25C	1.1158	Ck25	‐	‐	‐	‐	‐	‐	25
A572-60	‐	1.890	StE380	4360 55	‐	‐	FeE390KG	‐	2145	‐
1035	‐	1.0501	C35	060A35	‐	CC35	C35	F.113	1550	35
1045	‐	1.0503	C45	080M46	‐	CC45	C45	F.114	1650	45
1140	‐	1.0726	35S20	212M36	8M	35MF4	‐	F210G	1957	‐
1039	‐	1.1157	40Mn4	150M36	15	35M5	‐	‐	‐	40Mn
1335	SMn438(H)	1.1167	36Mn5	‐	‐	40M5	‐	36Mn5	2120	35Mn2
1330	SCMn1	1.1170	28Mn6	150M28	14A	20M5	C28Mn	‐	‐	30Mn
1035	S35C	1.1183	Cf35	060A35	‐	XC38TS	C36	‐	1572	35Mn
1045	S45C	1.1191	Ck45	080M46	‐	XC42	C45	C45K	1672	Ck45
1050	S50C	1.1213	Cf53	060A52	‐	XC48TS	C53	‐	1674	50
1055	‐	1.0535	C55	070M55	9	‐	C55	‐	1655	55
1060	‐	1.0601	C60	080A62	43D	CC55	C60	‐	‐	60
1055	S55C	1.1203	Ck55	070M55	‐	XC55	C50	C55K	‐	55
1060	S58C	1.1221	Ck60	080A62	43D	XC60	C60	‐	1678	60Mn
1095	‐	1.1274	Ck101	060A96	‐	XC100	‐	F.5117	1870	‐
W1	SK3	1.1545	C105W1	BW1A	‐	Y105	C36KU	F.5118	1880	‐
W210	SUP4	1.1545	C105W1	BW2	‐	Y120	C120KU	F.515	2900	‐

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Established in 2005, we are a key steel manufacturer boasting a 400,000㎡ production site and an annual output of 2.5 million tons. Our offerings span mild steel, alloy plates, coated steel coils, and welded pipes, serving industries like machinery, shipbuilding, and infrastructure.

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Certified by ISO 9001, SGS, and API, we guarantee top-tier quality and safety. Our market reach covers 25+ nations, with a focus on building enduring client partnerships through consistent supply and responsive service.