JIS-G-3214-1991-ENG.pdf

J I S Gr3214 71 4733608 0503355 I W UDC 669.14.01 8.8-1 34:621.642-98-977 JIS JAPANESE INDUSTRIAL STANDARD Stainless steel forgings for pressure vessels Translated and Published by Japanese Standards Association Printed in Japan 10 s COPYRIGHT Japanese Standards Association Licensed by Information Handling Services COPYRIGHT Japanese Standards Association Licensed by Information Handling Services In the event of any doubt arising, the original Standard in Japanese is to be final authority. -1 COPYRIGHT Japanese Standards Association Licensed by Information Handling Services COPYRIGHT Japanese Standards Association Licensed by Information Handling Services J I S Gx3214 91 M 4733b08 0503357 5 _ _ UDC 669.14.018.8-134:621.642-98-977 JAPANESE INDUSTRIAL STANDARD J I S Stainless steel forgings for pressure vessels G 3214-1991 1. Scope This Japanese Industrial Standard specifies the stainless steel forgings mainly used for corrosion resistant and high temperature pressure vessels and their parts (hereafter referred to as the “forgings“). However, pertaining to austenitic stainless steel forgings, this Stand- ard is also applicable to low temperature pressure vessels and low temperature service parts. Remarks: Applicable standards to this Standard are shown as follows. JIS B 0601-Definitions and Designation of Surface Roughness c JIS G 0306-Steel Forgings - General Technical Requirements JIS G 0321-Product Analysis and its Tolerance for Wrought Steel JIS G 0565-Methods for Magnetic Particle Testing of Ferromagnetic JIS G 0567-Method of High Temperature Tensile Test for Steels and Heat- JIS G 0571-Method of 10 Per Cent Oxalic Acid Etch Test for Stainless JIS G 0575-Method of Copper Sulfate-Sulfuric Acid Test for Stainless JIS G 1211-Methods for Determination'of Carbon in Iron and Steel JIS G 1212-Methods for Determination of Silicon in Iron and Steel JIS G 1213-Methods for Determination of Manganese in Iron and Steel JIS G 1214-Methods for Determination of Phosphorus in Iron and Steel JIS G 1215-Methods for Determination of Sulfur in Iron and Steel JIS G 1216-Methods for Determination of Nickel in Iron and Steel JIS G 1217-Methods for Determination of Chromium in Iron and Steel JIS G 1218-Methods for Determination of Molybdenum in Iron and Steel JIS G 1219-Methods for Determination of Copper in Iron and Steel JIS G 1223-Methods for Determination of Titanium in Iron and Steel JIS G 1228-Methods for Determination of Nitrogen in Iron and Steel JIS G 1237-Methods for Determination of Niobium in Steel JIS G 1253-Method for Photoelectric Emission Spectrochemical Analysis of JIS G 1256-Method for X-Ray Fluorescence Spectrometric Analysis of Iron JIS G 1257-Methods for Atomic Absorption Spectrochemical Analysis of JIS K 2238-Machine Oils Materials and Classification of Magnetic Particle Indication Resisting Alloys Steels Steels Iron and Steel and Steel Iron and Steel COPYRIGHT Japanese Standards Association Licensed by Information Handling Services COPYRIGHT Japanese Standards Association Licensed by Information Handling Services JI'S G*3214 91 W 4933b08 0503358 7 W 2 G 3214-1991 JIS Z 2343-Methods for Liquid Penetrant Testing and Classification of JIS Z 2344-General Rule of Ultrasonic Testing of Metals by the Pulse Indication Echo Technique 2. Symbol of grade and classification . The symbols of grades and classification of forgings shall be as given in Table 1. 3. Chemical composition shall be as follows: Forgings shall be subjected to the analytical test of 9.2 and their chemical compositions (1) The chemical compositions of forgings shall be ladle analyses and they shall be as given in Tables 2, 3 or 4. (2) In the case where the product analysis of forgings is requested by the purchaser, their permissible variation shall be as given in Table 4 (permissible variation of product analysis) of JIS G 0321, Table 1. Symbol of grade and classification Symbol of grade I Classification SUS F 304 I Austenitic series SUS F 304H . SUS F 304L SUS F 304N SUS F 304LN SUS F 310 SUS F 316 SUS F 316H Classification Symbol of grade SUS F 316N SUS F 316LN SUS F 317 SUS F 317L SUS F 321 SUS F 321H SUS F 347 SUS F 410-A SUS F 410-B SUS F 410-C SUS F 410-D SUS F 6B SUS F 6NM SUS F 630 Classification Austenitic series Martensitic series Precipitation hardening series C COPYRIGHT Japanese Standards Association Licensed by Information Handling Services COPYRIGHT Japanese Standards Association Licensed by Information Handling Services J I S G*32L4 91 4933608 0503359 9 m max. I max. I max. I max. I max. I 14.00 I 18.00 I 3.00 I I Si Mn P (') S Ni Cr 2.00 max. 2.00 max. 2.00 max. 2.00 max. 0.040 0.030 9.00 to 18.00 to max. max. 13.00 20.00 0.040 0.030 8.00 to 18.00 to max. max. 11.00 20.00 0.040 0.030 8.00 to 18.00 to max. max. 11.00 20.00 0.040 0.030 19.00 to 24.00 to max. max. 22.00 26.00 0.75 max. 1.00 max. 1.00 max. 1.00 max. 1.00 max. 2.00 0.040 0.030 max. max. max. 2.00 0.040 0.030 max. max. max. 2.00 0.040 0.030 max. max. max. 2.00 0.040 0.030 max. max. max. 2.00 0.040 0.030 rnax. max. max. 0.04 to 0.10 0.08 max. 1.00 2.00 0.040 0.030 9.00 to 17.00 - - Ti 4xC% max. max. max. max. 12.00 min. to 0.60 1.00 2.00 0.040 0.030 9.00 to 17.00 to - - Nb lox max. max. max. max. . 13.00 20.00 C% to 1.00 0.04 to 0.10 1.00 2.00 0.040 0.030 9.00 to 17.00 to - - Nb 8 x max. max. max. max. 13.00 20.00 C% to 1.00 3 G 3214-1991 Table 2. Chemical composition of austenitic stainless steel forgings Unit: % - C Symbol of grade Mo N I Others 0.08 max. 1 .o0 0.040 0.030 8.00 to 18.00 to max. I k . I max. I max. I 11.00 I 20.00 SUS F 304 SUS F 304H 1 .o0 max. 2.00 0.040 0.030 8.00 to 18.00 to max. I max. I max. I 12.00 I 20.00 0.04 to 0.10 0.030 max. 0.08 max. 0.030 max. 0.15 max. I I I I SUS F 304L 1 .o0 max. 0.75 max. 1 .o0 max. 1 .o0 max. - - I 0.10 to q= 0.10 to SUS F 304N SUS F 304LN SUS F 310 - - I SUS F 316 0.08 1 .o0 2.00 I 0.040 I 0.030 I 10.00 to I 16.00 to 2.00 to I- - SUS F 316H 0.04 to 0.10 1 .o0 max. 2.00 I : W O I 0.030 max. max. 10.00 to 14.00 16.00 to 18.00 2.00 to 3 .o0 - - I I I SUS F 316L 0.030 max. 1 .OO max. 2.00 0.040 0.030 max. I max. 1 max. 12.00 to 15.00 16.00 to 18.00 2.00 to 3 .o0 0.10 to %f= 0.10 to 16.00 to 18.00 16.00 to 18.00 18.00 to 20.00 18.00 to 20.00 17.00 min. SUS F 316N 0.08 max. 0.030 max. 0.08 max. 0.030 max. 0.08 max. 11.00 to 14.00 10.00 to 14.00 11.00 to 15.00 11.00 to 15.00 9.00 to 12.00 2.00 to 3 .o0 2.00 to 3.00 3.00 to 4.00 3.00 to 4.00 - SUS F 316LN SUS F 317 SUS F 317L SUS F 321 SUS F 321H SUS F 347 SUS F 347H I I I I I I 1 I I Note (l) The content of P for parts for reactor pressure vessels may be specified as 0.030 % max. COPYRIGHT Japanese Standards Association Licensed by Information Handling Services COPYRIGHT Japanese Standards Association Licensed by Information Handling Services 4 G 3214-1991 Table 3. Chemical composition of martensitic stainless steel forgings Unit: % C Si Symbol of grade SUS F410-A 0.15 1.00 SUS F410-B max- max* SUS F 410-C SUS F 410-D SUS F 6B 0 . 1 5 1 . 0 0 max. max. SUS F 6NM 0 . 0 5 0.60 max. max. 1 . 0 0 0.040 0.030 max. max. max. l; i$iE 0.50 t o 0.030 0.030 Ni 0.50 max. 1.00 t o 2.00 3.50 t o 5.50 C r 11.50 t o 13.50 11.50 t o 13.50 11 -50 t o 14.00 Tiq-Tc 0.60 max. 0.50 t o I - 1 .o0 Table 4, Chemical composition of precipitation hardening stainless steel forgings Unit: % C Si Mn P S Ni C r Cu Nb Symbol of grade SUS F 630 0.07 1.00 1.00 0.040 0.030 3.00 t o 15.00 t o 3.00 t o 0 . 1 5 t o max. max. max. max. max. 5.00 17.50 5.00 0 . 4 5 4. Mechanical DroDerties Forgings shall be subjected to the mechanical tests of 9.3 and their mechanical proper- (1) The proof stress, tensile strength, elongation, reduction of area, and hardness of austenitic stainless steel forgings shall be as given in Table 5. (2) The proof stress, tensile strength, elongation, reduction of area, and hardness of martensitic stainless steel forgings shall be as given in Table 6. (3) The proof stress, tensile strength, elongation, reduction of area, hardness, and Charpy absorbed energy of precipitation hardening stainless steel forgings shall be as given in Table 7. ties shall be as follows: COPYRIGHT Japanese Standards Association Licensed by Information Handling Services COPYRIGHT Japanese Standards Association Licensed by Information Handling Services J I S 6*3214 91 W 4933608 0503361 7 W 240 minr-1- 550 min. 1 29 min. 240 min. 550 min. 24 min. 5 G 3214-1991 50 min. 45 min. 205 min. 205 min. 205 min. 205 min. 520 min. 43 min. 50 min. 187 max. 480 min. 29 min. 45 min. 187 rnax. 520 min. 43 min. 50 min. 187 max. 480min. 29min. 45 min. 187 max. 240 min. 240 min. 205 min. 205 m i n . 550 min. 29 min. 50 min. 217 max. 550 min. 24 min. 45 min. 217 max. 520 min. 29 min. 50 min. 187 max. 480 min. 29 min. 45 min. 187 max. 205 min. 205 min. 175 min. 175 min. 205 min. 205 min. 520 min. 29 min. 50 min. 187 max. 480 min. 29 min. 50 min. 187 max. 480 min. 29 min. 50 min. 187 max. 450 min. 29 min. 50 min. 187 max. 520 min. 43 min. 50 min. 187 max. 480 min. 29 min. 45 min. 187 max. Table 5, Mechanical properties of austenitic stainless steel forgings Diameter or thickness in heat treatment mm Proof stress N/ltd Hardness HB Symbol of grade of area 45 min. SUS F 304 205 min. 205 min. 187 max. 187 max. Under 130 130 or over up to and incl. 200 Under 130 130 or over up to and incl. 200 205 min. 205 min. 520 min. 43 min. 50 min. 480min. 29 min. 45 min. 480 min. 29 min. 50 min. ! 450 min. 29 min. 45 min. SUS F 304H 187 max. 187 max. 187 max. 187 max. 175 min. 175 min. Under 130 130 or over up to and incl. 200 Under 130 130 or over up to and incl. 200 SUS F 304L 217 max. 217 max. SUS F 304N Under 130 130 or over up to and incl. 200 205 min. I 520min. I ii,i I 50 min. I 187 max. 205 min. 480 min. 45 min. 187 max. 205 min. 520 min. 50 min. 187 max. 205 min. 480 min. 29 min. 40 min. 187 max. SUS F 304LN SUS F 310 Under 130 130 or over up to and incl. 200 Under 130 130 or over up to and incl. 200 SUS F 316 SUS F 316H Under 130 130 or over up to and incl. 200 Under 130 130 or over up to and incl. 200 480 min. 29 min. I 450min. I 29min. 187 max. SUS F 316L SUS F 316N Under 130 130 or over up to and incl. 200 SUS F 316LN Under 130 130 or over up to and incl. 200 Under 130 130 or over up to and incl. 200 I I 8 I SUS F 317 SUS F 317L Under 130 130 or over up to and incl. 200 Under 130 130 or over up to and incl. 200 SUS F 321 SUS F 321H Under 130 130 or over up to and incl. 200 205 min. 205 min. 205 min. 205 min. SUS F 347 Under 130 130 or over up to and incl. 200 Under 130 130 or over up to and incl. 200 I I I SUS F 347H 205 min. I 520mjn. 1 43 min. I 50 min. I 187 max. 205 min. 480 min. 29 min. 45 min. 187 max. Remarks: The elongation and reduction of area of forgings of which the diameter or thickness in heat treatment exceeds 200 mm, shall be agreed upon between the parties concerned with delivery. COPYRIGHT Japanese Standards Association Licensed by Information Handling Services COPYRIGHT Japanese Standards Association Licensed by Information Handling Services 6 G 3214-1991 Table 6. Mechanical properties of martensitic stainless steel forgings Symbol of stress of area HBS or HBW grade N/mm2 N/mm2 No. 14A test Diece Proof SUS F4ì0-A I 275min. I 480min. I 16min. I 35min. I 143 to 187 SUS F 410-B 380 min. 590 min. 16 min. 35 min. 167 to 229 SUS F 410-C 585 min. 760 min. 14 min. 35 min. 217 to 302 SUS F 410-D 760 min. 900 min. 11 min. 35 min. 262 to 321 SUS F6B I 620min. I 760to930 I 15min. I 45min. I 217 to285 620 min. 790 min. 14 min. 45 min. 295 max. Table 7. Mechanical properties of precipitation hardening stainless steel forgings Symbol for Proof Tensile Reduction Hardness Charpl of area HBS or absorbed energy J test piece . No. 14A % HBW symbol of heat stress grade treatment N/m2 SUS F 630 H1075 860 min. 1000 min. 12 min. 45 min. 311 min. 27 min. H1100 795 min. 970 min. 13 min. 45 min. 302 min. 34 min. H1150 725 min. 930 min. 15 min. 50 min. 277 min. 41 min. Remarks 1. 2. Table 7 shall apply to forgings of 200 mm max. in diameter or thickness in heat treatment. The proof stress, tensile strength, elongation, reduction of area, and Charpy absorbed energy of forgings in the cases where heat treatments other than those given in Table 10 are performed and where the diameter or thickness in heat treatment exceeds 200 mm shall be agreed upon between the parties concerned with delivery. 5. Shape, dimensions and tolerance When forgings are tested in accordance with 9.4, their shapes, dimensions and toleran- ces shall be agreed upon between the parties concerned with delivery. 6. Appearance finished and free from cracks, flaws, etc, detrimental to practical use. 7. Special qualities case where especially designated by the purchaser. When forgings are tested in accordance with 9.5, their appearance shall be excellently Special qualities shall be as specified in Annex. However, they shall be applied in the Further, the purchaser may designate a part or all of the following items. (1) Soundness of surface (Annex Y 1) (2) Soundness of surface and its vicinity (Annex Y2) (3) Soundness of interior (Annex Y3) (4) Proof stress and tensile strength at high temperature (Annex Y4) (5) Transverse bulging in Charpy impact test (Annex Y5) COPYRIGHT Japanese Standards Association Licensed by Information Handling Services COPYRIGHT Japanese Standards Association Licensed by Information Handling Services J I S Gu3214 91 W 4933608 0503363 O 1 Symbol of grade SUS F 304 7 G 3214-1991 Solution treatment O C Symbol of grade Solution treatment “C 1010 to 1150 rapid cooling SUS F 316N 1010 to 1150 rapid cooling (6) Corrosion resistance (Annex Y6) 8. Manufacturing method pipes and segregation. 8.1 Steel ingot The steel ingot shall be thoroughly cut off to be cleared of harmful SUS F 304H SUS F 304L .SUS F 304N SUS F 304LN 8.2 Forging Forging shall be conducted as specified in 3.2 (forging) of JIS G 0306. 8.3 Heat treatment Heat treatment shall be as follows: (1) Austenitic stainless steel forgings shall be solution-treated as specified in Table 8. (2) Martensitic stainless steel forgings shall be heat treated as specified in Table 9. 1040 to 1150 rapid cooling 1010 to 1150 rapid cooling 1010 to 1150 rapid cooling 1010 to 1150 rapid cooling SUS F 316LN SUS F 317 SUS F 317L SUS F 321 1010 to 1150 rapid cooling 1010 to 1150 rapid cooling 1010 to 1150 rapid cooling 920 to 1150 rapid cooling (3) Solution hardening stainless steel forgings shall be heat treated as specified in SUS F 310 SUS F 316 SUS F 316H Table 10. 1030 to 1180 rapid cooling 1010 to 1150 rapid cooling 1040 to 1150 rapid cooling SUS F 321H SUS F 347 SUS F 347H 1050 to 1150 rapid cooling 980 to 1150 rapid cooling 1050 to 1150 rapid cooling (4) When forgings are hot worked after heat treatment, they shall be further subjected again to heat treatment of (1), (2) or (3). Table 8. Heat treatment of austenitic stainless steel forgings QuenchinE Tempering SUS F 410-A SUS F 410-