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DIN 2448 DIN 1629 Seamless steel pipe

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DIN 2448 DIN 1629 Seamless steel pipe

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The pipes are used almost in all fields of industry. Thanks to their variety of types and sizes, they can also be used for general purposes. The pipes are manufactured through hot rolling or cold drawing.

DIN 2448 steel pipe

Mechanical properties
Pipe types	Steel grades	Upper yield limit Re min for wall thickness in mm min			Tensile strength Rm MPa	Elongation A% min
ROUND SEAMLESS CARBON STEEL PIPES FOR SPECIAL REQUIREMENTS St37.0, St44.0, St52.0 according to DIN 1629	Steel grades	16	16 40	40 65	Tensile strength Rm MPa	1	t
	St37.0	235	225	215	350-480	25	23
	St44.0	275	265	255	420-550	21	19
	St52.0	355	345	335	50-650	21	19

DIN 2448 DIN 1629 Seamless steel pipe

CHEMICAL COMPOSITION (LADLE ANALYSIS)
Steel grades	Weld deoxidation type ( semi-killed steel only) RR special killed	C%	P%	S%	N%	Addition of nitrogen binding elements e.g. min 0,020% total Al
St37.0	R	0,17	0,040	0,040	0,009	-
St44.0	R	0,21	0,040	0,040	0,009	-
St52.0	RR	0,22	0,040	0,035	-	YES

Tests		Test scope	Test execution status	Material test certification type
No	Type	Test scope	Test execution status	Material test certification type
1	Tensile testing	1 pipe from the batch 1 try	To be negotiated	DIN 50049 3.1.A OR DIN 50049 3.1.B OR DIN 50049 3.1 C
2	Ring testing	From one pipe end for testing according to 1 for wall thickness of 40mm, 1 try	To be negotiated	DIN 50049 3.1.A OR DIN 50049 3.1.B OR DIN 50049 3.1 C
3	Tightness testing	All pipes	Manufacturer	DIN 50049 2.1
4	Surface inspection	All pipes	To be negotiated	DIN 50049 3.1.A OR DIN 50049 3.1.B OR DIN 50049 3.1 C
5	Dimensional testing	All pipes	To be negotiated	DIN 50049 3.1.A OR DIN 50049 3.1.B OR DIN 50049 3.1 C
6	Check analysis	After negotiation	Manufacturer	DIN 50049 3.1.B

Pipe export standards

DIN 17, DIN 1630

Size standards and tolerances

BS 17, BS 99, DIN 1630, DIN 2448

Qualities material, mechanical properties

DIN 1630, DIN 17

Material quality standards	The sign of quality steel	Chemical composition%							Yield R _eH N / mm ²			Tensile strength R _m N / mm²	Strain min.%
Material quality standards	The sign of quality steel	C Max.	Si	Mn max.	P max.	And up.	N max.	Al min.	To 16	Over 16 to 40 years	40+	Tensile strength R _m N / mm²	Strain min.%
DIN 1630	St 37.4	0,17	up to 0.35	min .0,35	0,040	0,040		0,020	235	225	215	350-480	25
	St 44.4	0,20	up to 0.35	0.35 min	0,040	0,040		0,020	275	265	255	420-550	21
	St 52.4	0,22	up to 0.55	1,60	0,040	0,035		0,020	355	345	335	500-650	21
BS 17-86	37 C	0,17	0.10 to 0.35	1,00	0,040	0,040		0,015	235	225	215	350-480	25
	44 C	0,20	0.10 to 0.35	1,30	0,040	0,040		0,015	275	265	255	420-550	21
	The 52 C	0,20	0.10 to 0.55	1,60	0,040	0,035		0,015	355	345	335	500-650	21

Size Charts

DIN 99, DIN 2448, ENV 10220
Table 3.1

Outer diameter mm	Wall thickness (mm)																												Outside diameter inches
	1,6	1,8	2	2,3	2,6	2,9	3,2	3,6	4	4,5	5	5,6	6,3	7,1	8	8.8	10	11	12.5	14.2	16	17.5	20	22.2	25	28	30	40
	Current Meter w / kg / m /
10.2	0,34	0,37	0,40	0,45																									1/8	10.2
13.5		0,52	0,57	0,64	0,70																								1/4	13.5
16		0,63	0,69	0,78	0,86	0,94																								16
17.2		0,68	0,75	0,85	0,94	1,02	1,10	1,21																					3/8	17.2
18			0,79	0,89	0,99	1,08	1,17	1,28	1,38	1,50																				18
20			0,89	1,00	1,12	1,22	1,33	1,46	1,58	1,72	1,85	1,99																		20
21.3			0,95	1,08	1,20	1,32	1,43	1,57	1,71	1,86	2,01	2,17																	1/2	21.3
25			1,13	1,29	1,44	1,58	1,72	1,90	2.07	2,28	2,47	2,68																		25
25.4			1,15	1,31	1,46	1,61	1,75	1,94	2,11	2,32	2,52	2,73	2,97																	25.4
26.9			1,23	1,40	1,56	1,72	1,87	2.07	2,26	2,49	2,70	2,94	3,20																3/4	26.9
28				1,46	1.63	1,80	1,96	2,17	2,37	2,61	2,84	3,09	3,37																	28
30				1,57	1,76	1,94	2,11	2,34	2,56	2,83	3,08	3,37	3,68	4,01	4,34															30
31.8				1,67	1,87	2.07	2,26	2,50	2,74	3,03	3,30	3,62	3,96	4,32	4,70														One	31.8
32				1,68	1.89	2,08	2,27	2,52	2,76	3,05	3,33	3,65	3,99	4,36	4,74															32
33.7				1,78	1,99	2,20	2,41	2,67	2,93	3,24	3,54	3,88	4,26	4,66	5.07															33.7
35					2,08	2,30	2,51	2,79	3,06	3,38	3,70	4,06	4,46	4,89	5,33															35
38					2,27	2,51	2,75	3,05	3,35	3,72	4,07	4,47	4,93	5.41	5,92															38
40					2,40	2,65	2,90	3,23	3,55	3,94	4,32	4,75	5,24	5.76	6,31															40
42.4					2,55	2,82	3,09	3,44	3,79	4,21	4.61	5,08	5.61	6,18	6.79	7.29	7,99												1 1/4	42.4
44.5					2,69	2,98	3,26	3,63	4,00	4,44	4,87	5.37	5,94	6,55	7,20	7,75	8.51													44.5
48.3					2,93	3,25	3,56	3,97	4,37	4,86	5.34	5,90	6,53	7,21	7,95	8.57	9,45												1 2.1	48.3
51					3,10	3,44	3,77	4,21	4,64	5,16	5.67	6,27	6,94	7,69	8.48	9,16	10,11													51
54					3,30	3,65	4,01	4,47	4,93	5,49	6,04	6,68	7.41	8,21	9,08	9,81	10,85													54
57						3,87	4,25	4,74	5,23	5,83	6,41	7,10	7.88	8.74	9.67	10.46	11,59	12,48												57
60.3						4,11	4,51	5,03	5,55	6,19	6.82	7,55	8,39	9,32	10,32	11,18	12,40	13.37	14.74										2	60.3
63.5						4,33	4,76	5.32	5.87	6,55	7,21	8,00	8,89	9,88	10,95	11,87	13,19	14,24	15,72											63.5
70						4,80	5,27	5,90	6,51	7,27	8.02	8,89	9,90	11,01	12,23	13,28	14,80	16.01	17,73											70
73						5,01	5,51	6,16	6,81	7,60	8.38	9,31	10,36	11,54	12,82	13,93	15,54	16,82	18,65											73
76.1						5,24	5,75	6,44	7,11	7,95	8,77	9,74	10,84	12,08	13,44	14.61	16,30	17.66	19,61	21.68	23.71								2 1/2	76.1
82.5							6,26	7,00	7.74	8,66	9.56	10,62	11,84	13,20	14,70	15,99	17,88	19,40	21.58	23.92	26,24									82.5
88.9							6,76	7.57	8.38	9.37	10,35	11,50	12.83	14.32	15,96	17.38	19.46	21.13	23.55	26,16	28.77								Three	88.9
101.6								8,70	9,63	10,78	11,91	13,26	14,81	16.55	18.47	20,14	22.59	24.58	27,47	30.61	33,78									101.6
108								9,27	10,26	11.49	12,70	14,14	15,80	17.67	19,73	21.53	24,17	26.31	29.44	32.85	36,30	39.06								108
114.3								9,83	10,88	12,19	13.48	15,01	16.78	18,77	20.97	22,90	25.72	28.02	31.38	35.05	38.79	41.78							4	114.3
127									12,13	13,59	15.04	16,77	18,75	20,99	23.48	25,65	28.85	31.47	35,30	39,50	43,80	47.26	52.78	57.38	62.89	68.36	71.77			127
133									12,73	14.26	15.78	17.59	19.69	22.04	24,66	26,95	30,33	33,10	37,15	41.60	46.17	49.85	55.74	60.66	66.59	72,50	76.20			133
139.7											16.61	18.52	20,73	23,22	25.98	28,41	31,99	34.91	39.21	43,95	48.81	52.74	59.04	64.33	70.72	77.13	81.16		5	139.7