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GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder

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GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder

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Brand Name :	Torich
Model Number :	GB28884
Certification :	ISO 9001-2008 ISO14001 TS16949 DNV
Price :	negotiable
Payment Terms :	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability :	60000 Tons per Year
Delivery Time :	30-45 Days

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GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder

GB28884 300-3000L Seamless Steel Tubes for Large Volume Gas Cylinder

Application:

Manufacturing gas cylinder with 300L~3000L volume

size:

Length:4-12m

OD:80-1200mm

WT:4-100mm

Refining method of steel:

The Steel is processed by electric arc furnace and refining outside the furance and vacuum refining,or oxygen converter refining outside the furnace and vacuum refining.

Manufacturing method of steel tube:

Steel pipe in hot rolling(enlarge) state,cold drawn or cold drawn after heat treatment state delivery.

The surface quality:

No crack ,folding,delamination and scarring on insideand outside surface.

Test item:

Tensile test

Hardness test

Impact test

Non-metalic inclusion test

Grain size test

Ultrasonic flaw detection

Steel Grade and Chemical Component

No.	Grade	Group	Chemical component,%
No.	Grade	Group	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
1	30CrMoE	1^a	0.25~ 0.35	0.15~ 0.35	0.40~ 0.90	≤0.020	≤0.010	0.80~ 1.10	0.15~ 0.25	≤0.30	≤0.20
2	30CrMoE	2	0.26~ 0.34	0.17~ 0.37	0.40~ 0.70	≤0.020	≤0.010	0.80~ 1.10	0.15~ 0.25	≤0.30	≤0.20
3	42CrMoE	1^b	0.40~ 0.45	0.15~ 0.35	0.75~ 1.00	≤0.020	≤0.010	0.80~ 1.10	0.15~ 0.25	≤0.30	≤0.20
4	42CrMoE	2	0.38~ 0.45	0.17~ 0.37	0.50~ 0.80	≤0.020	≤0.010	0.90~ 1.20	0.15~ 0.25	≤0.30	≤0.20
^a Grade30CrMoE group1 is equivalent to 4130X. ^bGrade42CrMoE group1 is equivalent to 4142

Mechanical Property

Grade	Tensile Strength R^a MPa	Lower yield strength or specified plasticity elongation ReL or R_p0.2^a MPa	percentage elongation after fracture A_50mm^a%	yield ratio (R_eL/R_a or R_p0.2/R_a)%	Hardness HBW	-10^oCShock absorption energy KV₂J
						Average	A single sample
30CrMoE^b	≥720	≥485	≥20	≤86	≤269	≥40	≥32
42CrMoE^c	≥930	≥760	≥16	-	≤330	≥40	≥32
^b 30CrMoE mechanical property is equivanlent to 4130X ^c 42CrMoE mechanical property is equivanlent to 4142

GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder

Product Tags:

seamless steel pipe

seamless carbon steel tube

GB28884 300-3000L Seamless Steel Tubes For Large Volume Gas Cylinder

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