Small Alloy Steel Pipes Bright Rust Free Precision Mechanical Structural Pipe Fittings

• Customization: Available
• After-sales Service: Free
• Warranty: Free
• Model NO.: OD 15-75mm
• Type: Seamless
• Technique: Cold Drawn
• Material: Alloy Steel
• Surface Treatment: Oiled
• Usage: Hydraulic/Automobile Pipe, Machinery Industry, Special Purpose
• Section Shape: Round
• IATF16949: Yes
• Od: 15-75mm
• Thickness: 0.8-12mm
• Customized: Yes
• Transport Package: Bund
• Trademark: bluesky pipe
• Origin: China
• HS Code: 7304319000
• Production Capacity: 50000 Ton/Year

Product Description

 

steel grade	+C(BK)		+LC(BKW)		+SR(BKS)			+A(GBK)		+N(NBK)
	Rm(Mpa)	A(%)	Rm(Mpa)	A(%)	Rm(Mpa)	Reh(Mpa)	A(%)	Rm(Mpa)	A(%)	Rm(Mpa)	Reh(Mpa)	A(%)
10	430	8	380	10	400	300	16	335	24	320~450	215	27
20	550	5	520	8	520	375	12	390	21	440~570	255	21
35	590	5	550	7	-	-	-	510	17	≥460	280	21
45	645	4	630	6	-	-	-	590	14	540	340	18
25Mn	650	6	580	8	580	450	10	490	18	-	-	-
Q355B	640	4	580	7	580	450	10	450	22	490~630	355	22
Q420B	750	4	620	8	690	590	12	520	22	550~700	425	22
25CrMo	720	4	670	6	-	-	-	-	-	-	-	-
42CrMo	720	4	670	6	-	-	-	-	-	-	-	-

GB		ASTM/ASME		DIN		EN		JIS
GB/T8162	10	A53	A	DIN1629	St37	EN17121	St37-2/3	G3454	STPG370
GB/T8163		A106	A
GB/T3639		A519	1010
	20	A53	B	DIN1629	St44	EN17121	St44-2/3	G3454	STPG410
		A106	B
		A519	1020
	45	A1045			CK45
	Q235	A519	1021			EN10210-1	S235JRH	G3444	STK400
						EN1097-1	E235
	Q345	A519	1524	DIN1629	St52			G3444	STK500
	37Mn5	J55
	35CrMo		4135					G4105	SCM435
	20Cr		5120						SCr420
	40Cr		5140						SCr440
	15CrMo								SCM415
	20CrMo		4119						SCM420
	42CrMo		4150/4142						SCM440
	20CrMnTi								SMK22

tandard

Grade

Chemical composition:(%)

C

Si

Mn

P≤

S≤

Cr

Mo

Cu≤

Ni≤

Ti

V

Nb

GB/T 699

10

0.07~0.13

0.17~0.37

0.35~0.65

0.035

0.035

≤0.15

0.25

0.3

20

0.17~0.23

0.17~0.37

0.35~0.65

0.035

0.035

≤0.35

0.25

0.3

35

0.32~0.39

0.17~0.37

0.50~0.80

0.035

0.035

≤0.25

0.25

0.3

45

0.42~0.50

0.17~0.37

0.50~0.80

0.035

0.035

≤0.25

0.25

0.3

GB/T3077

20Cr

0.18~0.24

0.17~0.37

0.50~0.80

0.035

0.035

0.70~1.00

40Cr

0.37~0.44

0.17~0.37

0.50~0.80

0.035

0.035

0.80~1.10

20CrMo

0.17~0.24

0.17~0.37

0.40~0.70

0.035

0.035

0.80~1.10

0.15~0.25

42CrMo

0.38~0.45

0.17~0.37

0.50~0.80

0.90~1.20

0.15~0.25

20CrMnTi

0.17~0.23

0.17~0.37

0.80~1.10

1.00~1.30

0.04 ~0.10

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