Mechanical Pipe

Standard Material: Standards ASTMA519 DIN1629 Materials/Grade 1030 St37.0 1035 St44.0 1040 St52.0 1045 4130 4135 4140 4145 Mechanical Pipe Size Range:114.0~710.0mm, Wall thickness:6.0~70.0mm. Chemical Composition Limits,%,as per ASTM A519 G

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Applicability

Standard & Material:

Standards	ASTMA519	DIN1629
Standards	ASTMA519	DIN1629
Materials/Grade	1030	St37.0
	1035	St44.0
	1040	St52.0
	1045
	4130
	4135
	4140
	4145

Mechanical Pipe Size Range:114.0~710.0mm, Wall thickness:6.0~70.0mm. Chemical Composition Limits,%,as per ASTM A519

Grade	C	Mn	P	S	Si	Ni	Cr	Mo
1030	0.28-0.34	0.60-0.90	0.040	0.05
1035	0.32-0.38	0.60-0.90	0.040	0.05
1040	0.37-0.44	0.60-0.90	0.040	0.05
1045	0.43-0.50	0.60-0.90	0.040	0.05
4130	0.28-0.33	0.40-0.60	0.040	0.04	0.15-0.35		0.80-1.10	0.15-0.25
4135	0.33-0.38	0.70-0.90	0.040	0.04	0.15-0.35		0.80-1.10	0.15-0.25
4140	0.38-0.43	0.75-1.00	0.040	0.04	0.15-0.35		0.80-1.10	0.15-0.25
4145	0.42-0.48	0.75-1.00	0.040	0.04	0.15-0.35		0.80-1.10	0.15-0.25

The purchaser may specify the following maximum amounts:copper,0.3%;aluminum,0.05%;and oxygen,0.0015% Typcal Tensile Properties,Hardness and Thermal Condation for some the More Common Carbon and Alloy steels Gr

Grade Designation	ConditionA	Ultimate Strength		Yield Strength		Elongation in 2 in,or 50 mm,%	Rockwell HardnessB scale
Grade Designation	ConditionA	Ksi	Mpa	Ksi	Mpa	Elongation in 2 in,or 50 mm,%	Rockwell HardnessB scale
1035	HR	65	448	40	276	20	72
	CW	85	586	75	517	5	88
	SR	75	517	65	448	8	80
	A	60	414	33	228	25	67
	N	65	448	40	276	20	72
1405	HR	75	517	45	310	15	80
	CW	90	621	80	552	5	90
	SR	80	552	70	483	8	85
	A	65	448	35	241	20	72
	N	75	517	48	331	15	80
4130	HR	90	621	70	483	20	89
	SR	105	724	85	586	10	95
	A	75	517	55	379	30	81
	N	90	621	60	414	20	89
4140	HR	120	855	90	621	15	100
	SR	120	855	100	689	10	100
	A	80	552	60	414	25	85
	N	120	855	90	621	20	100

Wall thicness tolerances may not be allicable to walls 0.199 in.(5.05mm) and less;consult manufacturer for wall tolerances on such sizes Wall Thickness Tolerances for round Hot-Finished Tubing

Wall Thickness Range as Percent of Outside Diameter	Wall Thickness Tolerance,APercent Over and Under Nominal

	Outside Diameter	Outside Diameter

	3.000 in.(76.20mm)to 5.999 in.(152.37mm)	6.000in.(152.40mm) to10.750 in.(273.05mm)



Under15 15 and over	10.0 7.5	10.0 10.0