astm a519 4140 seamless steel pipe

Specifications 1.astm a519 4140 Seamless Steel Pipe

2.OD:20mm to 325mm,thickness:4mm to 70mm

3 cold drawn and hot rolled pipes

  astm a519 4140 seamless steel pipe    Standard executived: ASTM A519 Materials: 4130/ 4140/ 4145 Outside diameter:20mm325mm Wall Thickness:4mm~70mm  Length:3m-14m,also can be manufactured according to customers' requirements  Type:Seamless(hot rolled and cold drawn) and hot expanding  Ends:Plain ends or bevel ends Coating for protection:black painting,anti-rust oiled or varnish,also can be required according to customers' requirements Application: Used widely in oil, chemical industry, electricity, boiler industry of high-temperature resistance, low temperature resistance, corrosion resistance in pipelines,etc..   Specifications   mechanical engineering seamless Steel Tube ASTM A519

    Application:
For mechanical engineering etc. Details Size:
O.D: 0.499-10.75in.(12.7-273.0mm) W.T: 1.0-35.0mm Length Max.12000mm
Steel Grade and Chemical Composition(%)

Grade	C	Mn	P≤	S≤	Si	Cr	Mo
1008	≤0.10	0.30-0.50	0.040	0.050	-	-	-
1010	0.08-0.13	0.30-0.60	0.040	0.050	-	-	-
1018	0.15-0.20	0.60-0.90	0.040	0.050	-	-	-
1020	0.18-0.23	0.30-0.60	0.040	0.050	-	-	-
1025	0.22-0.28	0.30-0.60	0.040	0.050	-	-	-
1026	0.22-0.28	0.60-0.90	0.040	0.050	-	-	-
4130	0.28-0.33	0.40-0.60	0.040	0.040	0.15-0.35	0.80-1.10	0.15-0.25
4140	0.38-0.43	0.75-1.00	0.040	0.040	0.15-0.35	0.80-1.10	0.15-0.35

Mechanical Properties

Grade	Condition	Yield Point(Mpa)  ≥	Tensile Point(Mpa)  ≥	Elongation(A%)  ≥
1020	CW	414	483	5
	SR	345	448	10
	A	193	331	30
	N	234	379	22
1025	CW	448	517	5
	SR	379	483	8
	A	207	365	25
	N	248	379	22
4130	SR	586	724	10
	A	379	517	30
	N	414	621	20
4140	SR	689	855	10
	A	414	552	25
	N	621	855	20

 

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