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Astm a312/376





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Astm a312 a213 a376





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Hongchao stainless steel, inc. Has been specilizing the stainless steel industry since 2000.
317l (uns s31703) is a molybdenum-containing austenitic stainless steel that is intended to provide improved corrosion resistance in highly corrosive environments, particularly those containing chlorides or other halides. 317 and 317l containing 3 ~ 4% molybdenum are preferred to types 316 or 316l which contain 2 ~ 3% molybdenum in applications requiring enhanced pitting and general corrosion resistance because of the difference on amount of molybdenum. 317l (uns s31703) is non-magnetic in the annealed condition but may become slightly magnetic as a result of welding.

We provide:
1. Main steel types and typical grades:
Austenite: 301, 310s, 304, 304l, 304h, 316, 316l, 316ti, 317, 317l, 321, 321h, 347h, 904l
Duplex: s31803, s32205, s31500, s31750, s31760, s31900, s32304
Incoloy: 800, 800h, 800ht, 825, 901, 925, 926
2. Main production standard:
En 10216-5, en 10216-2, din 17456, din 17458, a213, a269, a511, a789, a790, a335, a376, sa213, sa312, sa789, sa790, sa335, sa376, sb161, sb163, sb167, sb338, sb668, sb677, jis g3459, g3463, gb/t 14975, t14976, gb13296, gb5310, gb9948
3. Products: stainless steel seamless pipes & tubes(cold drawn, cold rolled, bright precision)
Diameter(mm):6-830
Thickness(mm):0.8-45
Length(m):max: 240

We provide:
1. General specifications
Size: o.D.9.9mm to o.D. 2000mm; w.T. 0.4mm to 25mm.
Application: chemical, pulp, water treat, food, automobile, oil & gas, petrochemical equipment, onshore and offshore poject.
Standards: gb, astm, jis, astm a789, astm a790
Materials: 304, 304l, 316, 316l, 31803, 32750, 32760, 32205
2. Stainless steel pipe: astm a312, astm a358, astm a778
3. Large diameter stainless steel pipe(o.D. Can be made up to 80"): astm a312, astm a358, astm a409, cns 13517 g3259, jis g3468
4. Stainless steel tube for boiler, heat-exchanger and feedwater heater: astm a249, astm a269, astm a688, cns 7383 g3142, jis g3463
5. Stainless steel mechanical tube: astm a554, cns 5802 g3119, jis g3446

Product Description:
Standards: Confirming to International Specification of ASTM A- 312, A ­ 213,
A ­ 249, A ­ 269, A - 270, A ­ 358, A ­ 554, A ­ 688.

Pipes & tubes:-
Stainless Steel : AISI ­ 304/L/LN/H, 309/S, 310/H, 316/L/LN/H/Ti, 317/L, 321/H, 347/H, 904/L, etc.
Duplex & Super Duplex: S31803, S32750, S32760, S31500, S32205.

Flanges:
Standards: Confirming to International Specification of ASTM A- 182, 240, DIN & A - 105.
Stainless Steel: AISI ­ 304/L/LN/H, 309/S, 310/H, 316/L/LN/H/Ti, 317/L, 321/H, 347/H, 904/L, etc.
Duplex & Super Duplex: S31803, S32750, S32760, S31500, S32205.
Carbon Steel: A – 105.

Fittings (Butt weld & Forged):
Standards: Confirming to International Specification of ASTM A- 403, A-182 &
A - 234 Gr.WPB.
Stainless Steel: AISI ­ 304/L/LN/H, 309/S, 310/H, 316/L/LN/H/Ti, 317/L, 321/H, 347/H, 904/L, etc.
Duplex & Super Duplex: S31803, S32750, S32760, S31500, S32205.
Carbon Steel: A-234 Gr.WPB.
Stainless Steel Coils According To International Standards Of ASTM A-240.
Grades:- 200, 300, 400 series & Duplex, Super Duplex.
Surface : 2B, 2D, BA, HL, No.4
Width -: 1000mm, 1220mm, 1525mm, 2000mm.
Thickness - 0.31 mm ~ 10 mm

Stainless Steel Sheets:
Surface - 2B, 2D, BA, HL, No.4
Thickness - 0.25 mm ~ 10 mm
Width : 600 mm ~ 2000 mm
Length : 1000 mm ~ 10000 mm

Stainless Steel Plate:
Surface - No.1 Finished
Thickness - 3 mm to 100 mm
Width : 1000 mm to 3200 mm
Length : 2438 mm/ 3048 mm / 6096 mm to 13500 mm

Fasteners Stainless Steel:
Grades 304/L/LN/H, 309/S, 310/H, 316/L/LN/H/Ti, 317/L, 321/H, 347/H, 904/L,etc.
Duplex & Super Duplex :S31803, S32750, S32760, S31500, S32205.
Types :Bolts, Nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, etc.


Export worthy.

Size: 25 * 16-200 * 200MM
Material: Q235B, SS400, ASTM A36, S235JR, ST37.2
Standards: GB1499.2-2007/ASTM A615 Gr.40, Gr.60/BS44449/1997
Application: For shipbuilding, power tower building, steel structure.

By bundle.

Stainless steel pipes & tubes