• SA516 Gr70 Tubesheet&Spectacle Blind&Flanges
  • SA516 Gr70 Tubesheet&Spectacle Blind&Flanges
  • SA516 Gr70 Tubesheet&Spectacle Blind&Flanges
  • SA516 Gr70 Tubesheet&Spectacle Blind&Flanges

SA516 Gr70 Tubesheet&Spectacle Blind&Flanges

US$1.68
100-999 kg
US$1.38
1,000+ kg
Port:
Tianjin, China
Production Capacity:
25000ton/Year
Payment Terms:
L/C, T/T

Last Login Date:

Jun 18, 2025

Main Products:

Forged Flange, ASME B16.5 B16.47A/B En1092-1 GOST DIN Flange, Carbon Steel Flange, Stainless Steel Flange, Copper Nickel Flange, ASTM A182 F304/L F316/L Flange, ASTM A105 A350lf2 A694 F65 F70 Flange, Welding Neck Flange, Blind Slip on Threaded Socket Weld Lap Joint

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Product Description

Company Info

Basic Info.

Model NO.
Spectacle Blind
Standard
ANSI, DIN, GOST, En1092-1
Type
Welding Flange
Material
Stainless Steel
Structure
Flanges
Connection
Welding
Sealing Surface
RF
Manufacturing Way
Forging
Ndividual Drawing
Welcome
Trademark
TY
Transport Package
Pallet/Wooden Case
Specification
ANSI B16.48
Origin
China
HS Code
73079100

Product Description

 

Raw Material Specification

ASME SA516 Grade 70

ASME SA516 Grade 70 - one most popular steel grades, the material is highly sort after for welded fabrication in industrial pressure vessels and boilers.Used throughout the oil, gas and petrochemical industry the material is a normalized steel with excellent weldability and improved notch toughness i.e. the materials ability to absorb energy when a flaw is present.

Chemical Requirements

*Elements represented in percentage
ElementsSA 516 Gr 60
(Grade 415)
SA 516 Gr 65
(Grade 450)
SA 516 Gr 70
(Grade 485)
Carbon, max Composition %   
1/2 in. (12.5 mm) and under0.210.240.27
Over 1/2 to 2 in. (12.5 to 50 mm), incl0.230.260.28
Over 2 to 4 in. (50 to 100 mm), incl0.250.280.30
Over 4 to 8 in. (100 to 200 mm), incl0.270.290.31
Over 8 in. (200 mm)0.270.290.31
Manganese, max   
1/2 (12.5) and under:   
Heat analysis0.60-0.900.85-1.200.85-1.20
Product analysis0.55-0.980.79-1.300.79-1.30
Over 1/2 in (12.5)   
Heat analysis0.85-1.200.85-1.200.85-1.20
Product analysis0.79-1.300.79-1.300.79-1.30
Phosphorus, max0.0250.0250.025
Sulfur, max0.0250.0250.025
Silicon   
Heat analysis0.15-0.400.15-0.400.15-0.40
Product analysis0.13-0.450.13-0.450.13-0.45

Tensile Requirements

 SA 516 Gr 60
(Grade 415)
SA 516 Gr 65
(Grade 450)
SA 516 Gr 70
(Grade 485)
Tensile strength, ksi (MPa)60-80(415-550)65-85(450-585)70-90(485-620)
Yield strength, min.B ksi (MPa)32(220)35(240)38(260)
Elongation in 8 in. (200 mm), min, %211917
Elongation in 2 in. (50 mm), min, %252321
Shipped Flange Photos

Production Range

DN15-DN3000
Maximum weight 6tons
25,000tons production annual year

Manufacturing Standard

ANSI B16.5,ANSI B16.47 Series A&B,ANSI B16.48,ANSI B16.36
API 605,API 16D,API 17D
BS4504,BS3293
DIN
AS
EN1092-1
GOST
EEMUA145

Inspection Certificate
EN10204-3.1
EN10204-3.2 byTUV,BV,Lloyds,GL,DNV,SGS,ABS,RINA,Moody or other third parties
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Mr. Denny Pan

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