Brazil 336 Tons U tube 316L/410/304L/T11/S31803

1. Background Information
This is our regular customer from Brazil, we have cooperated more than 5 years since 2018 and we has good relationship with each other . They are the largest manufacture of Heat exchanger and equipment manufacturer in Brazil , especially in oil&Gas and machinery sectors area, they also are partners of the Brazilian government.

The main part of the heat exchanger is U-tube, they purchased a large quantity U tube and other steel products from us every year. Our customer is very satisfied with quality, because we manufacture U pipe according to customer's drawings, including the radian of each steel pipe, without any mistakes.

2. U tube Drawing

3. Material technical information
The chemical composition of 316L/410/304L/T11/321/S31803 material: (%)

Standard	Grade	C	Si	Mn	P	S	Cr	Mo
ASME SA213	316L	≤0.035	≤1.00	≤2.00	≤0.045	≤0.030	16.00-18.00	2.00-3.00
ASME SA268	410	≤0.015	≤1.00	≤1.00	≤0.040	≤0.030	11.50-13.50	...
ASME SA213	304L	≤0.035	≤1.00	≤2.00	≤0.045	≤0.030	18.00-20.00	...
ASME SA213	321	≤0.08	≤1.00	≤2.00	≤0.045	≤0.030	17.00-19.00	...
ASME SA789	S31803	≤0.03	≤1.00	≤2.00	≤0.030	≤0.020	21.00-23.00	2.50-3.50
ASME SA213	T11	0.05-0.15	0.50-1.00	0.30-0.60	≤0.025	≤0.025	1.00-1.50	0.44-0.65

The Mechanical Properties of 316L/410/304L/T11/321/S31803 material:

Standard	Grade	Tensile Strength [MPa]	Yield Strength[MPa]	Elongation %
ASME SA213	316L	≥485	≥170	35
ASME SA268	410	≥415	≥205	20
ASME SA213	304L	≥485	≥170	35
ASME SA213	321	≥515	≥205	35
ASME SA789	S31803	≥620	≥450	25
ASME SA213	T11	≥415	≥205	30

4. Production workshop

5. U tube photos

6. Q/C department do inspection before shipment

7. Marking of Pipe

8. Package
(Iron frame + wooden box + waterproof paper)

9. B/L &C/O

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